[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"site-config":3,"primary-menu":6,"cat-lombok":85,"catposts-lombok":97,"post-detail-post-lombok-value-e86c89a7":407},{"config":4,"socialLinks":5},null,[],{"metadata":7,"spec":10,"menuItems":20},{"name":8,"creationTimestamp":9},"primary","2026-09-12T06:13:55.024154Z",{"displayName":11,"menuItems":12},"主菜单",[13,14,15,16,17,18,19],"88c3f10b-321c-4092-86a8-70db00251b74","menu-item-izrtmxer","c4c814d1-0c2c-456b-8c96-4864965fee94","menu-item-column","menu-item-tools","menu-item-zsxq","menu-item-ocrxlczu",[21,30,40,49,58,67,76],{"displayName":22,"metadata":23,"spec":25,"status":28,"children":29},"首页",{"name":13,"creationTimestamp":24},"2026-09-12T06:13:54.422830Z",{"displayName":22,"href":26,"priority":27,"menuName":8},"\u002F",0,{"displayName":22,"href":26},[],{"displayName":31,"metadata":32,"spec":34,"status":38,"children":39},"Java面试八股",{"name":14,"creationTimestamp":33},"2026-09-13T09:42:02.854891Z",{"displayName":31,"href":35,"target":36,"priority":37,"menuName":8},"\u002Fjava-interview","_self",1,{"displayName":31,"href":35},[],{"displayName":41,"metadata":42,"spec":44,"status":47,"children":48},"文章",{"name":15,"creationTimestamp":43},"2026-09-12T06:13:54.457307Z",{"displayName":41,"href":45,"priority":46,"menuName":8},"\u002Farchives",2,{"displayName":41,"href":45},[],{"displayName":50,"metadata":51,"spec":53,"status":56,"children":57},"项目实战",{"name":16,"creationTimestamp":52},"2026-09-14T00:35:08.138170Z",{"displayName":50,"href":54,"target":36,"priority":55,"menuName":8},"\u002Fcolumn",3,{"displayName":50,"href":54},[],{"displayName":59,"metadata":60,"spec":62,"status":65,"children":66},"在线工具",{"name":17,"creationTimestamp":61},"2026-09-14T00:35:08.171474Z",{"displayName":59,"href":63,"target":36,"priority":64,"menuName":8},"\u002Ftools",4,{"displayName":59,"href":63},[],{"displayName":68,"metadata":69,"spec":71,"status":74,"children":75},"知识星球",{"name":18,"creationTimestamp":70},"2026-09-14T00:35:08.199145Z",{"displayName":68,"href":72,"target":36,"priority":73,"menuName":8},"\u002Fzsxq",5,{"displayName":68,"href":72},[],{"displayName":77,"metadata":78,"spec":80,"status":83,"children":84},"特价云服务器",{"name":19,"creationTimestamp":79},"2026-09-25T15:30:59.201614Z",{"displayName":77,"href":81,"target":36,"priority":82,"menuName":8},"\u002Fserver",6,{"displayName":77,"href":81},[],{"metadata":86,"spec":89,"status":94,"postCount":96},{"name":87,"creationTimestamp":88},"lombok","2026-09-12T08:22:44.622640Z",{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},"Lombok 使用教程","\u002Fupload\u002Ftutorial-cover-lombok.png","Lombok 使用教程：常用注解与底层原理、IDEA 配置、序列化坑与团队使用规范。",false,{"permalink":95,"postCount":96,"visiblePostCount":96},"\u002Fcategories\u002Flombok",15,[98,122,143,164,184,204,224,244,264,284,305,325,345,366,387],{"metadata":99,"spec":102,"status":113,"categories":117},{"name":100,"creationTimestamp":101},"post-what-is-lombok-eacf45e9","2026-09-12T08:29:54.692339Z",{"title":103,"slug":104,"cover":105,"excerpt":106,"publishTime":108,"categories":109,"tags":110,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Lombok 主要作用是什么？它是干嘛的？","what-is-lombok","\u002Fupload\u002F169059305581280-yJax.jpg",{"raw":107,"autoGenerate":93},"Lombok 是一个超酷的 Java 库，它能让你的 Java 代码变得简洁、高效，还能帮你省去很多繁琐的工作，堪称偷懒神器，企业级开发必备。","2026-09-12T08:29:54.750221Z",[87],[],"PUBLIC",true,{"permalink":114,"excerpt":107,"lastModifyTime":115,"phase":116},"\u002Farchives\u002Fwhat-is-lombok","2026-09-13T05:25:35.579934Z","PUBLISHED",[118],{"metadata":119,"spec":120,"status":121,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":123,"spec":126,"status":135,"categories":138},{"name":124,"creationTimestamp":125},"post-sneaky-throws-c1701b9c","2026-09-12T08:29:53.976459Z",{"title":127,"slug":128,"cover":129,"excerpt":130,"publishTime":132,"categories":133,"tags":134,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Lombok @SneakyThrows 注解：简化异常操作","sneaky-throws","\u002Fupload\u002F173086350546415-rRmm.jpg",{"raw":131,"autoGenerate":93},"@SneakyThrows 用来偷偷地抛出检查型异常（checked exception），而无需显式地在方法签名中声明 throws 或者使用 try-catch。对于需要捕获或声明的异常，@SneakyThrows 注解可以让方法绕过这一步。","2026-09-12T08:29:54.036824Z",[87],[],{"permalink":136,"excerpt":131,"lastModifyTime":137,"phase":116},"\u002Farchives\u002Fsneaky-throws","2026-09-13T05:25:37.067969Z",[139],{"metadata":140,"spec":141,"status":142,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":144,"spec":147,"status":156,"categories":159},{"name":145,"creationTimestamp":146},"post-lombok-value-e86c89a7","2026-09-12T08:29:53.354870Z",{"title":148,"slug":149,"cover":150,"excerpt":151,"publishTime":153,"categories":154,"tags":155,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Lombok @Value 注解：创建不可变类","lombok-value","",{"raw":152,"autoGenerate":93},"Lombok 的 @Value 注解用于简化不可变对象的创建。不可变对象（Immutable Object）在创建后，其内部状态无法改变，具备线程安全的特性，适合并发环境中共享数据的场景。","2026-09-12T08:29:53.417301Z",[87],[],{"permalink":157,"excerpt":152,"lastModifyTime":158,"phase":116},"\u002Farchives\u002Flombok-value","2026-09-12T08:29:53.359551Z",[160],{"metadata":161,"spec":162,"status":163,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":165,"spec":168,"status":176,"categories":179},{"name":166,"creationTimestamp":167},"post-lombok-to-string-c4811b47","2026-09-12T08:29:52.773514Z",{"title":169,"slug":170,"cover":150,"excerpt":171,"publishTime":173,"categories":174,"tags":175,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Lombok @ToString 注解：快速打印对象内容","lombok-to-string",{"raw":172,"autoGenerate":93},"Lombok 的 @ToString 注解用于自动生成 toString() 方法，帮助快速打印对象的内容，以便调试或日志记录。默认情况下，`@ToString` 会将类中所有非静态字段包含在 toString() 方法中，并按字段声明的顺序显示字段值。","2026-09-12T08:29:52.835200Z",[87],[],{"permalink":177,"excerpt":172,"lastModifyTime":178,"phase":116},"\u002Farchives\u002Flombok-to-string","2026-09-12T08:29:52.776682Z",[180],{"metadata":181,"spec":182,"status":183,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":185,"spec":188,"status":196,"categories":199},{"name":186,"creationTimestamp":187},"post-lombok-principle-d40a8209","2026-09-12T08:29:52.089871Z",{"title":189,"slug":190,"cover":150,"excerpt":191,"publishTime":193,"categories":194,"tags":195,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Lombok 实现原理是什么？","lombok-principle",{"raw":192,"autoGenerate":93},"Lombok 的核心是利用 Java 注解处理器 和 AST（抽象语法树）修改 技术，在编译阶段动态插入代码。","2026-09-12T08:29:52.164133Z",[87],[],{"permalink":197,"excerpt":192,"lastModifyTime":198,"phase":116},"\u002Farchives\u002Flombok-principle","2026-09-12T08:29:52.096242Z",[200],{"metadata":201,"spec":202,"status":203,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":205,"spec":208,"status":216,"categories":219},{"name":206,"creationTimestamp":207},"post-lombok-log-7cf20461","2026-09-12T08:29:51.501796Z",{"title":209,"slug":210,"cover":150,"excerpt":211,"publishTime":213,"categories":214,"tags":215,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Lombok @Log 系列注解: 简化日志记录","lombok-log",{"raw":212,"autoGenerate":93},"Lombok 提供了一系列 @Log 注解，用于自动生成日志记录器实例，简化 Java 类中日志的定义和使用。这些注解支持常见的日志框架，比如 java.util.logging、Log4j、Log4j2、Slf4j 等。","2026-09-12T08:29:51.557453Z",[87],[],{"permalink":217,"excerpt":212,"lastModifyTime":218,"phase":116},"\u002Farchives\u002Flombok-log","2026-09-12T08:29:51.504532Z",[220],{"metadata":221,"spec":222,"status":223,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":225,"spec":228,"status":236,"categories":239},{"name":226,"creationTimestamp":227},"post-lombok-getter-setter-c542a7fe","2026-09-12T08:29:50.887267Z",{"title":229,"slug":230,"cover":150,"excerpt":231,"publishTime":233,"categories":234,"tags":235,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Lombok @Getter @Setter 注解: 简化属性操作","lombok-getter-setter",{"raw":232,"autoGenerate":93},"Lombok 提供的 @Getter 和 @Setter 注解是最常用的注解之一，主要用于自动生成类的 getter 和 setter 方法。这些方法可以大大减少手动编写代码的工作量，让代码更简洁、更易读。","2026-09-12T08:29:50.940298Z",[87],[],{"permalink":237,"excerpt":232,"lastModifyTime":238,"phase":116},"\u002Farchives\u002Flombok-getter-setter","2026-09-12T08:29:50.890512Z",[240],{"metadata":241,"spec":242,"status":243,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":245,"spec":248,"status":256,"categories":259},{"name":246,"creationTimestamp":247},"post-lombok-equals-and-hash-code-a3d03899","2026-09-12T08:29:50.011368Z",{"title":249,"slug":250,"cover":150,"excerpt":251,"publishTime":253,"categories":254,"tags":255,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Lombok @EqualsAndHashCode 注解：简化对象比较","lombok-equals-and-hash-code",{"raw":252,"autoGenerate":93},"Lombok 的 @EqualsAndHashCode 注解用于自动生成 equals() 和 hashCode() 方法，这两个方法对于对象比较和在集合中的使用非常重要。equals() 方法决定了对象的比较方式，而 hashCode() 则影响对象在散列集合（如 HashSet 和 HashMap）中的表现。","2026-09-12T08:29:50.233386Z",[87],[],{"permalink":257,"excerpt":252,"lastModifyTime":258,"phase":116},"\u002Farchives\u002Flombok-equals-and-hash-code","2026-09-12T08:29:50.014186Z",[260],{"metadata":261,"spec":262,"status":263,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":265,"spec":268,"status":276,"categories":279},{"name":266,"creationTimestamp":267},"post-lombok-dependency-install-afb949d3","2026-09-12T08:29:49.422864Z",{"title":269,"slug":270,"cover":150,"excerpt":271,"publishTime":273,"categories":274,"tags":275,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Lombok 依赖安装","lombok-dependency-install",{"raw":272,"autoGenerate":93},"想要在项目中使用 Lombok, 首先, 你需要在项目中添加 Lombok 依赖。本小节中，我将分别演示如何在项目构建工具（ Maven 或 Gradle ）中添加 Lombok 依赖。","2026-09-12T08:29:49.475556Z",[87],[],{"permalink":277,"excerpt":272,"lastModifyTime":278,"phase":116},"\u002Farchives\u002Flombok-dependency-install","2026-09-12T08:29:49.425988Z",[280],{"metadata":281,"spec":282,"status":283,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":285,"spec":288,"status":297,"categories":300},{"name":286,"creationTimestamp":287},"post-lombok-data-3de3dc8b","2026-09-12T08:29:48.783849Z",{"title":289,"slug":290,"cover":291,"excerpt":292,"publishTime":294,"categories":295,"tags":296,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Lombok @Data 注解：快速生成类常用方法","lombok-data","\u002Fupload\u002F167575545480437-ebty.jpg",{"raw":293,"autoGenerate":93},"在 Lombok 中，@Data 是个万金油注解。一个 @Data 注解相当于同时使用了 @Getter 、@Setter 、@RequiredArgsConstructor、@ToString、@EqualsAndHashCode...","2026-09-12T08:29:48.870613Z",[87],[],{"permalink":298,"excerpt":293,"lastModifyTime":299,"phase":116},"\u002Farchives\u002Flombok-data","2026-09-13T05:25:38.689202Z",[301],{"metadata":302,"spec":303,"status":304,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":306,"spec":309,"status":317,"categories":320},{"name":307,"creationTimestamp":308},"post-lombok-builder-0339d5b6","2026-09-12T08:29:48.038614Z",{"title":310,"slug":311,"cover":150,"excerpt":312,"publishTime":314,"categories":315,"tags":316,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Lombok @Builder 注解：流畅的构建者模式","lombok-builder",{"raw":313,"autoGenerate":93},"Lombok 的 @Builder 注解用于生成建造者（Builder）模式的代码。Builder 模式提供了一种灵活、易读的方式来创建复杂对象，尤其适合需要设置多个可选参数、支持链式调用的场景。@Builder 注解自动生成了静态内部类 Builder 及其相关方法，使代码更加简洁、清晰。","2026-09-12T08:29:48.096644Z",[87],[],{"permalink":318,"excerpt":313,"lastModifyTime":319,"phase":116},"\u002Farchives\u002Flombok-builder","2026-09-12T08:29:48.041679Z",[321],{"metadata":322,"spec":323,"status":324,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":326,"spec":329,"status":337,"categories":340},{"name":327,"creationTimestamp":328},"post-lombok-args-constructor-49c212ca","2026-09-12T08:29:47.407172Z",{"title":330,"slug":331,"cover":150,"excerpt":332,"publishTime":334,"categories":335,"tags":336,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Lombok @Constructor 系列注解：轻松生成类的构造方法","lombok-args-constructor",{"raw":333,"autoGenerate":93},"Lombok 提供了一系列构造器注解，帮助开发者轻松生成构造方法。主要包括 @NoArgsConstructor、@AllArgsConstructor 和 @RequiredArgsConstructor，可以根据需要自动生成无参、全参或指定参数的构造器。","2026-09-12T08:29:47.462011Z",[87],[],{"permalink":338,"excerpt":333,"lastModifyTime":339,"phase":116},"\u002Farchives\u002Flombok-args-constructor","2026-09-12T08:29:47.410413Z",[341],{"metadata":342,"spec":343,"status":344,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":346,"spec":349,"status":358,"categories":361},{"name":347,"creationTimestamp":348},"post-idea-install-lombok-plugin-2e5a8631","2026-09-12T08:29:46.815062Z",{"title":350,"slug":351,"cover":352,"excerpt":353,"publishTime":355,"categories":356,"tags":357,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"IDEA 安装 Lombok 插件（图文教程）","idea-install-lombok-plugin","\u002Fupload\u002F169059578851069-SiKa.jpg",{"raw":354,"autoGenerate":93},"本小节中，我将通图文的方式，手把手演示如何在 IDEA 中安装 Lombok 插件。","2026-09-12T08:29:46.862690Z",[87],[],{"permalink":359,"excerpt":354,"lastModifyTime":360,"phase":116},"\u002Farchives\u002Fidea-install-lombok-plugin","2026-09-13T05:25:39.275975Z",[362],{"metadata":363,"spec":364,"status":365,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":367,"spec":370,"status":379,"categories":382},{"name":368,"creationTimestamp":369},"post-eclipse-install-lombok-plugin-27c19d60","2026-09-12T08:29:46.234176Z",{"title":371,"slug":372,"cover":373,"excerpt":374,"publishTime":376,"categories":377,"tags":378,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Eclipse 安装 Lombok 插件（图文教程）","eclipse-install-lombok-plugin","\u002Fupload\u002F169060085073147-QlhP.jpg",{"raw":375,"autoGenerate":93},"本小节中，我们将通过图文的方式，手把手教你如何在 Eclipse 中安装 Lombok 插件。","2026-09-12T08:29:46.288767Z",[87],[],{"permalink":380,"excerpt":375,"lastModifyTime":381,"phase":116},"\u002Farchives\u002Feclipse-install-lombok-plugin","2026-09-13T05:25:42.436373Z",[383],{"metadata":384,"spec":385,"status":386,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":388,"spec":391,"status":399,"categories":402},{"name":389,"creationTimestamp":390},"post-avoid-lombok-pitfalls-0979c95e","2026-09-12T08:29:45.645846Z",{"title":392,"slug":393,"cover":150,"excerpt":394,"publishTime":396,"categories":397,"tags":398,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"如何避免 Lombok 的常见陷阱？","avoid-lombok-pitfalls",{"raw":395,"autoGenerate":93},"尽管 Lombok 是一个强大的工具，可以帮助我们简化代码，提高开发效率，但是如果不恰当地使用，也可能会引入一些问题。本文将为你详述如何避免 Lombok 的常见陷阱。","2026-09-12T08:29:45.700024Z",[87],[],{"permalink":400,"excerpt":395,"lastModifyTime":401,"phase":116},"\u002Farchives\u002Favoid-lombok-pitfalls","2026-09-12T08:29:45.649699Z",[403],{"metadata":404,"spec":405,"status":406,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":408,"spec":409,"status":413,"categories":414,"content":419},{"name":145,"creationTimestamp":146},{"title":148,"slug":149,"cover":150,"excerpt":410,"publishTime":153,"categories":411,"tags":412,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},{"raw":152,"autoGenerate":93},[87],[],{"permalink":157,"excerpt":152,"lastModifyTime":158,"phase":116},[415],{"metadata":416,"spec":417,"status":418,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"content":420,"raw":420},"\u003Cp>Lombok 的 \u003Ccode>@Value\u003C\u002Fcode> 注解用于\u003Cstrong>简化不可变对象的创建\u003C\u002Fstrong>。不可变对象（Immutable Object）在创建后，其内部状态无法改变，具备线程安全的特性，适合并发环境中共享数据的场景。\u003Ccode>@Value\u003C\u002Fcode> 注解相当于 \u003Ccode>@Getter\u003C\u002Fcode>、\u003Ccode>@AllArgsConstructor\u003C\u002Fcode>、\u003Ccode>@ToString\u003C\u002Fcode>、\u003Ccode>@EqualsAndHashCode\u003C\u002Fcode> 和 \u003Ccode>final\u003C\u002Fcode> 组合，因此非常适合用来定义数据传输对象（DTO）或作为业务逻辑中不可变的核心数据结构。\u003C\u002Fp>\n\u003Ch2>基本用法\u003C\u002Fh2>\n\u003Cp>在类上添加 \u003Ccode>@Value\u003C\u002Fcode> 注解后，Lombok 会自动将所有字段设为 \u003Ccode>final\u003C\u002Fcode> 并生成只读的 \u003Ccode>getter\u003C\u002Fcode>，禁止字段的修改方法。\u003Ccode>@Value\u003C\u002Fcode> 类似于 \u003Ccode>@Data\u003C\u002Fcode>，但适用于不可变对象。\u003C\u002Fp>\n\u003Ch3>示例\u003C\u002Fh3>\n\u003Cpre>\u003Ccode class=\"language-java\">import lombok.Value;\n\n@Value\npublic class User {\n    String name;\n    int age;\n}\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>上述代码自动生成以下内容：\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\u003Cstrong>\u003Ccode>final\u003C\u002Fcode> 修饰符\u003C\u002Fstrong>：所有字段都自动变为 \u003Ccode>final\u003C\u002Fcode>，只能在构造时赋值。\u003C\u002Fli>\n\u003Cli>\u003Cstrong>\u003Ccode>getter\u003C\u002Fcode> 方法\u003C\u002Fstrong>：为每个字段生成 \u003Ccode>public\u003C\u002Fcode> 的 \u003Ccode>getter\u003C\u002Fcode> 方法。\u003C\u002Fli>\n\u003Cli>\u003Cstrong>\u003Ccode>toString()\u003C\u002Fcode> 方法\u003C\u002Fstrong>：生成包含所有字段的 \u003Ccode>toString()\u003C\u002Fcode> 方法。\u003C\u002Fli>\n\u003Cli>\u003Cstrong>\u003Ccode>equals()\u003C\u002Fcode> 和 \u003Ccode>hashCode()\u003C\u002Fcode> 方法\u003C\u002Fstrong>：基于字段生成对象的 \u003Ccode>equals()\u003C\u002Fcode> 和 \u003Ccode>hashCode()\u003C\u002Fcode> 方法。\u003C\u002Fli>\n\u003Cli>\u003Cstrong>全参构造方法\u003C\u002Fstrong>：生成一个包含所有字段的构造方法，便于直接赋值。\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>创建 \u003Ccode>User\u003C\u002Fcode> 对象时可以指定字段的初始值：\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-java\">User user = new User("Alice", 25);\nSystem.out.println(user.getName()); \u002F\u002F 输出: Alice\nSystem.out.println(user.getAge());  \u002F\u002F 输出: 25\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>此 \u003Ccode>User\u003C\u002Fcode> 类生成的对象将是不可变的，因为它的所有字段都为 \u003Ccode>final\u003C\u002Fcode>，没有 \u003Ccode>setter\u003C\u002Fcode> 方法。\u003C\u002Fp>\n\u003Ch2>\u003Ccode>@Value\u003C\u002Fcode> 注解的默认特性\u003C\u002Fh2>\n\u003Col>\n\u003Cli>\u003Cstrong>不可变性\u003C\u002Fstrong>：所有字段自动设为 \u003Ccode>final\u003C\u002Fcode>，对象创建后其状态不可更改。\u003C\u002Fli>\n\u003Cli>\u003Cstrong>私有构造方法\u003C\u002Fstrong>：除非显式定义，\u003Ccode>@Value\u003C\u002Fcode> 会默认生成一个私有的无参构造器。一般情况下不会用到，因为 \u003Ccode>@Value\u003C\u002Fcode> 的对象要求全部字段初始化。\u003C\u002Fli>\n\u003Cli>\u003Cstrong>序列化支持\u003C\u002Fstrong>：\u003Ccode>@Value\u003C\u002Fcode> 类默认实现 \u003Ccode>Serializable\u003C\u002Fcode> 接口，非常适合在分布式环境中传输数据。\u003C\u002Fli>\n\u003C\u002Fol>\n\u003Ch2>\u003Ccode>@Value\u003C\u002Fcode> 与 \u003Ccode>@Data\u003C\u002Fcode> 的区别\u003C\u002Fh2>\n\u003Cp>\u003Ccode>@Value\u003C\u002Fcode> 和 \u003Ccode>@Data\u003C\u002Fcode> 都能生成 \u003Ccode>getter\u003C\u002Fcode>、\u003Ccode>toString()\u003C\u002Fcode>、\u003Ccode>equals()\u003C\u002Fcode> 和 \u003Ccode>hashCode()\u003C\u002Fcode> 方法，但 \u003Ccode>@Value\u003C\u002Fcode> 注解的类具有不可变性，不会生成 \u003Ccode>setter\u003C\u002Fcode> 方法。\u003Ccode>@Value\u003C\u002Fcode> 适合不希望被修改的数据对象，而 \u003Ccode>@Data\u003C\u002Fcode> 更适合那些需要修改的普通 Java Bean。\u003C\u002Fp>\n\u003Ch2>\u003Ccode>@Value\u003C\u002Fcode> 与手动创建不可变对象的对比\u003C\u002Fh2>\n\u003Cp>在没有 Lombok 的情况下，手动创建不可变对象需要将字段设为 \u003Ccode>final\u003C\u002Fcode>，创建全参构造方法，并编写 \u003Ccode>getter\u003C\u002Fcode>、\u003Ccode>toString()\u003C\u002Fcode>、\u003Ccode>equals()\u003C\u002Fcode> 和 \u003Ccode>hashCode()\u003C\u002Fcode> 方法。相比之下，\u003Ccode>@Value\u003C\u002Fcode> 注解大大减少了代码量。\u003C\u002Fp>\n\u003Ch3>手动实现不可变类示例\u003C\u002Fh3>\n\u003Cpre>\u003Ccode class=\"language-java\">public final class User {\n    private final String name;\n    private final int age;\n\n    public User(String name, int age) {\n        this.name = name;\n        this.age = age;\n    }\n\n    public String getName() {\n        return name;\n    }\n\n    public int getAge() {\n        return age;\n    }\n\n    @Override\n    public boolean equals(Object o) {\n        \u002F\u002F 实现 equals 逻辑\n    }\n\n    @Override\n    public int hashCode() {\n        \u002F\u002F 实现 hashCode 逻辑\n    }\n\n    @Override\n    public String toString() {\n        return "User(name=" + name + ", age=" + age + ")";\n    }\n}\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>使用 \u003Ccode>@Value\u003C\u002Fcode> 可以简化以上所有操作。\u003C\u002Fp>\n\u003Ch2>\u003Ccode>@Value\u003C\u002Fcode> 与可变集合的组合\u003C\u002Fh2>\n\u003Cp>虽然 \u003Ccode>@Value\u003C\u002Fcode> 保证了对象的不可变性，但如果字段是集合类型（如 \u003Ccode>List\u003C\u002Fcode>、\u003Ccode>Map\u003C\u002Fcode> 等），则无法保证集合内容的不可变性。为实现完全不可变性，可以使用 \u003Ccode>Collections.unmodifiableList()\u003C\u002Fcode> 等方法将集合转换为不可变的视图。\u003C\u002Fp>\n\u003Ch3>示例\u003C\u002Fh3>\n\u003Cpre>\u003Ccode class=\"language-java\">import lombok.Value;\nimport java.util.List;\nimport java.util.Collections;\n\n@Value\npublic class User {\n    String name;\n    List<String> hobbies;\n\n    public User(String name, List<String> hobbies) {\n        this.name = name;\n        this.hobbies = Collections.unmodifiableList(hobbies);\n    }\n}\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>这段代码确保了 \u003Ccode>hobbies\u003C\u002Fcode> 字段的内容在对象创建后也不可修改。\u003C\u002Fp>\n\u003Ch2>小结\u003C\u002Fh2>\n\u003Cp>Lombok 的 \u003Ccode>@Value\u003C\u002Fcode> 注解是创建不可变对象的快捷方式，具备以下优点：\u003C\u002Fp>\n\u003Cul>\n\u003Cli>自动将字段设为 \u003Ccode>final\u003C\u002Fcode>，生成只读的 \u003Ccode>getter\u003C\u002Fcode>，确保对象不可变。\u003C\u002Fli>\n\u003Cli>生成 \u003Ccode>toString()\u003C\u002Fcode>、\u003Ccode>equals()\u003C\u002Fcode> 和 \u003Ccode>hashCode()\u003C\u002Fcode> 方法，使对象支持打印和比较。\u003C\u002Fli>\n\u003Cli>提供全参构造方法，便于快速创建对象。\u003C\u002Fli>\n\u003Cli>简化了不可变对象的实现，适合数据传输对象（DTO）和并发环境中共享的数据结构。\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>在多线程和分布式环境中，通过 \u003Ccode>@Value\u003C\u002Fcode> 创建不可变对象，能提升数据安全性和一致性。\u003C\u002Fp>\n13:T3ea7,\u003Cp>Lombok 的 \u003Ccode>@Value\u003C\u002Fcode> 注解用于\u003Cstrong>简化不可变对象的创建\u003C\u002Fstrong>。不可变对象（Immutable Object）在创建后，其内部状态无法改变，具备线程安全的特性，适合并发环境中共享数据的场景。\u003Ccode>@Value\u003C\u002Fcode> 注解相当于 \u003Ccode>@Getter\u003C\u002Fcode>、\u003Ccode>@AllArgsConstructor\u003C\u002Fcode>、\u003Ccode>@ToString\u003C\u002Fcode>、\u003Ccode>@EqualsAndHashCode\u003C\u002Fcode> 和 \u003Ccode>final\u003C\u002Fcode> 组合，因此非常适合用来定义数据传输对象（DTO）或作为业务逻辑中不可变的核心数据结构。\u003C\u002Fp>\n\u003Ch2 id=\"toc-0\">基本用法\u003C\u002Fh2>\n\u003Cp>在类上添加 \u003Ccode>@Value\u003C\u002Fcode> 注解后，Lombok 会自动将所有字段设为 \u003Ccode>final\u003C\u002Fcode> 并生成只读的 \u003Ccode>getter\u003C\u002Fcode>，禁止字段的修改方法。\u003Ccode>@Value\u003C\u002Fcode> 类似于 \u003Ccode>@Data\u003C\u002Fcode>，但适用于不可变对象。\u003C\u002Fp>\n\u003Ch3 id=\"toc-1\">示例\u003C\u002Fh3>\n\u003Cdiv class=\"language-java\" data-ext=\"java\" data-code=\"import%20lombok.Value%3B%0A%0A%40Value%0Apublic%20class%20User%20%7B%0A%20%20%20%20String%20name%3B%0A%20%20%20%20int%20age%3B%0A%7D%0A\">\n        \u003Cbutton class=\"vp-copy-code-button\" data-copy data-copied=\"已复制\" aria-label=\"复制代码\">\u003C\u002Fbutton>\n        \u003Cpre>\u003Ccode class=\"language-java\">\u003Cspan class=\"token keyword\">import\u003C\u002Fspan> \u003Cspan class=\"token import\">\u003Cspan class=\"token namespace\">lombok\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003C\u002Fspan>\u003Cspan class=\"token class-name\">Value\u003C\u002Fspan>\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n\n\u003Cspan class=\"token annotation punctuation\">@Value\u003C\u002Fspan>\n\u003Cspan class=\"token keyword\">public\u003C\u002Fspan> \u003Cspan class=\"token keyword\">class\u003C\u002Fspan> \u003Cspan class=\"token class-name\">User\u003C\u002Fspan> \u003Cspan class=\"token punctuation\">{\u003C\u002Fspan>\n    \u003Cspan class=\"token class-name\">String\u003C\u002Fspan> name\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n    \u003Cspan class=\"token keyword\">int\u003C\u002Fspan> age\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n\u003Cspan class=\"token punctuation\">}\u003C\u002Fspan>\n\u003C\u002Fcode>\u003C\u002Fpre>\n      \u003C\u002Fdiv>\n\u003Cp>上述代码自动生成以下内容：\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\u003Cstrong>\u003Ccode>final\u003C\u002Fcode> 修饰符\u003C\u002Fstrong>：所有字段都自动变为 \u003Ccode>final\u003C\u002Fcode>，只能在构造时赋值。\u003C\u002Fli>\n\u003Cli>\u003Cstrong>\u003Ccode>getter\u003C\u002Fcode> 方法\u003C\u002Fstrong>：为每个字段生成 \u003Ccode>public\u003C\u002Fcode> 的 \u003Ccode>getter\u003C\u002Fcode> 方法。\u003C\u002Fli>\n\u003Cli>\u003Cstrong>\u003Ccode>toString()\u003C\u002Fcode> 方法\u003C\u002Fstrong>：生成包含所有字段的 \u003Ccode>toString()\u003C\u002Fcode> 方法。\u003C\u002Fli>\n\u003Cli>\u003Cstrong>\u003Ccode>equals()\u003C\u002Fcode> 和 \u003Ccode>hashCode()\u003C\u002Fcode> 方法\u003C\u002Fstrong>：基于字段生成对象的 \u003Ccode>equals()\u003C\u002Fcode> 和 \u003Ccode>hashCode()\u003C\u002Fcode> 方法。\u003C\u002Fli>\n\u003Cli>\u003Cstrong>全参构造方法\u003C\u002Fstrong>：生成一个包含所有字段的构造方法，便于直接赋值。\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>创建 \u003Ccode>User\u003C\u002Fcode> 对象时可以指定字段的初始值：\u003C\u002Fp>\n\u003Cdiv class=\"language-java\" data-ext=\"java\" data-code=\"User%20user%20%3D%20new%20User(%22Alice%22%2C%2025)%3B%0ASystem.out.println(user.getName())%3B%20%2F%2F%20%E8%BE%93%E5%87%BA%3A%20Alice%0ASystem.out.println(user.getAge())%3B%20%20%2F%2F%20%E8%BE%93%E5%87%BA%3A%2025%0A\">\n        \u003Cbutton class=\"vp-copy-code-button\" data-copy data-copied=\"已复制\" aria-label=\"复制代码\">\u003C\u002Fbutton>\n        \u003Cpre>\u003Ccode class=\"language-java\">\u003Cspan class=\"token class-name\">User\u003C\u002Fspan> user \u003Cspan class=\"token operator\">=\u003C\u002Fspan> \u003Cspan class=\"token keyword\">new\u003C\u002Fspan> \u003Cspan class=\"token class-name\">User\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token string\">\"Alice\"\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">,\u003C\u002Fspan> \u003Cspan class=\"token number\">25\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n\u003Cspan class=\"token class-name\">System\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>out\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">println\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>user\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">getName\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan> \u003Cspan class=\"token comment\">\u002F\u002F 输出: Alice\u003C\u002Fspan>\n\u003Cspan class=\"token class-name\">System\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>out\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">println\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>user\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">getAge\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>  \u003Cspan class=\"token comment\">\u002F\u002F 输出: 25\u003C\u002Fspan>\n\u003C\u002Fcode>\u003C\u002Fpre>\n      \u003C\u002Fdiv>\n\u003Cp>此 \u003Ccode>User\u003C\u002Fcode> 类生成的对象将是不可变的，因为它的所有字段都为 \u003Ccode>final\u003C\u002Fcode>，没有 \u003Ccode>setter\u003C\u002Fcode> 方法。\u003C\u002Fp>\n\u003Ch2 id=\"toc-2\">\u003Ccode>@Value\u003C\u002Fcode> 注解的默认特性\u003C\u002Fh2>\n\u003Col>\n\u003Cli>\u003Cstrong>不可变性\u003C\u002Fstrong>：所有字段自动设为 \u003Ccode>final\u003C\u002Fcode>，对象创建后其状态不可更改。\u003C\u002Fli>\n\u003Cli>\u003Cstrong>私有构造方法\u003C\u002Fstrong>：除非显式定义，\u003Ccode>@Value\u003C\u002Fcode> 会默认生成一个私有的无参构造器。一般情况下不会用到，因为 \u003Ccode>@Value\u003C\u002Fcode> 的对象要求全部字段初始化。\u003C\u002Fli>\n\u003Cli>\u003Cstrong>序列化支持\u003C\u002Fstrong>：\u003Ccode>@Value\u003C\u002Fcode> 类默认实现 \u003Ccode>Serializable\u003C\u002Fcode> 接口，非常适合在分布式环境中传输数据。\u003C\u002Fli>\n\u003C\u002Fol>\n\u003Ch2 id=\"toc-3\">\u003Ccode>@Value\u003C\u002Fcode> 与 \u003Ccode>@Data\u003C\u002Fcode> 的区别\u003C\u002Fh2>\n\u003Cp>\u003Ccode>@Value\u003C\u002Fcode> 和 \u003Ccode>@Data\u003C\u002Fcode> 都能生成 \u003Ccode>getter\u003C\u002Fcode>、\u003Ccode>toString()\u003C\u002Fcode>、\u003Ccode>equals()\u003C\u002Fcode> 和 \u003Ccode>hashCode()\u003C\u002Fcode> 方法，但 \u003Ccode>@Value\u003C\u002Fcode> 注解的类具有不可变性，不会生成 \u003Ccode>setter\u003C\u002Fcode> 方法。\u003Ccode>@Value\u003C\u002Fcode> 适合不希望被修改的数据对象，而 \u003Ccode>@Data\u003C\u002Fcode> 更适合那些需要修改的普通 Java Bean。\u003C\u002Fp>\n\u003Ch2 id=\"toc-4\">\u003Ccode>@Value\u003C\u002Fcode> 与手动创建不可变对象的对比\u003C\u002Fh2>\n\u003Cp>在没有 Lombok 的情况下，手动创建不可变对象需要将字段设为 \u003Ccode>final\u003C\u002Fcode>，创建全参构造方法，并编写 \u003Ccode>getter\u003C\u002Fcode>、\u003Ccode>toString()\u003C\u002Fcode>、\u003Ccode>equals()\u003C\u002Fcode> 和 \u003Ccode>hashCode()\u003C\u002Fcode> 方法。相比之下，\u003Ccode>@Value\u003C\u002Fcode> 注解大大减少了代码量。\u003C\u002Fp>\n\u003Ch3 id=\"toc-5\">手动实现不可变类示例\u003C\u002Fh3>\n\u003Cdiv class=\"language-java\" data-ext=\"java\" data-code=\"public%20final%20class%20User%20%7B%0A%20%20%20%20private%20final%20String%20name%3B%0A%20%20%20%20private%20final%20int%20age%3B%0A%0A%20%20%20%20public%20User(String%20name%2C%20int%20age)%20%7B%0A%20%20%20%20%20%20%20%20this.name%20%3D%20name%3B%0A%20%20%20%20%20%20%20%20this.age%20%3D%20age%3B%0A%20%20%20%20%7D%0A%0A%20%20%20%20public%20String%20getName()%20%7B%0A%20%20%20%20%20%20%20%20return%20name%3B%0A%20%20%20%20%7D%0A%0A%20%20%20%20public%20int%20getAge()%20%7B%0A%20%20%20%20%20%20%20%20return%20age%3B%0A%20%20%20%20%7D%0A%0A%20%20%20%20%40Override%0A%20%20%20%20public%20boolean%20equals(Object%20o)%20%7B%0A%20%20%20%20%20%20%20%20%2F%2F%20%E5%AE%9E%E7%8E%B0%20equals%20%E9%80%BB%E8%BE%91%0A%20%20%20%20%7D%0A%0A%20%20%20%20%40Override%0A%20%20%20%20public%20int%20hashCode()%20%7B%0A%20%20%20%20%20%20%20%20%2F%2F%20%E5%AE%9E%E7%8E%B0%20hashCode%20%E9%80%BB%E8%BE%91%0A%20%20%20%20%7D%0A%0A%20%20%20%20%40Override%0A%20%20%20%20public%20String%20toString()%20%7B%0A%20%20%20%20%20%20%20%20return%20%22User(name%3D%22%20%2B%20name%20%2B%20%22%2C%20age%3D%22%20%2B%20age%20%2B%20%22)%22%3B%0A%20%20%20%20%7D%0A%7D%0A\">\n        \u003Cbutton class=\"vp-copy-code-button\" data-copy data-copied=\"已复制\" aria-label=\"复制代码\">\u003C\u002Fbutton>\n        \u003Cpre>\u003Ccode class=\"language-java\">\u003Cspan class=\"token keyword\">public\u003C\u002Fspan> \u003Cspan class=\"token keyword\">final\u003C\u002Fspan> \u003Cspan class=\"token keyword\">class\u003C\u002Fspan> \u003Cspan class=\"token class-name\">User\u003C\u002Fspan> \u003Cspan class=\"token punctuation\">{\u003C\u002Fspan>\n    \u003Cspan class=\"token keyword\">private\u003C\u002Fspan> \u003Cspan class=\"token keyword\">final\u003C\u002Fspan> \u003Cspan class=\"token class-name\">String\u003C\u002Fspan> name\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n    \u003Cspan class=\"token keyword\">private\u003C\u002Fspan> \u003Cspan class=\"token keyword\">final\u003C\u002Fspan> \u003Cspan class=\"token keyword\">int\u003C\u002Fspan> age\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n\n    \u003Cspan class=\"token keyword\">public\u003C\u002Fspan> \u003Cspan class=\"token class-name\">User\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token class-name\">String\u003C\u002Fspan> name\u003Cspan class=\"token punctuation\">,\u003C\u002Fspan> \u003Cspan class=\"token keyword\">int\u003C\u002Fspan> age\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan> \u003Cspan class=\"token punctuation\">{\u003C\u002Fspan>\n        \u003Cspan class=\"token keyword\">this\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>name \u003Cspan class=\"token operator\">=\u003C\u002Fspan> name\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n        \u003Cspan class=\"token keyword\">this\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>age \u003Cspan class=\"token operator\">=\u003C\u002Fspan> age\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n    \u003Cspan class=\"token punctuation\">}\u003C\u002Fspan>\n\n    \u003Cspan class=\"token keyword\">public\u003C\u002Fspan> \u003Cspan class=\"token class-name\">String\u003C\u002Fspan> \u003Cspan class=\"token function\">getName\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan> \u003Cspan class=\"token punctuation\">{\u003C\u002Fspan>\n        \u003Cspan class=\"token keyword\">return\u003C\u002Fspan> name\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n    \u003Cspan class=\"token punctuation\">}\u003C\u002Fspan>\n\n    \u003Cspan class=\"token keyword\">public\u003C\u002Fspan> \u003Cspan class=\"token keyword\">int\u003C\u002Fspan> \u003Cspan class=\"token function\">getAge\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan> \u003Cspan class=\"token punctuation\">{\u003C\u002Fspan>\n        \u003Cspan class=\"token keyword\">return\u003C\u002Fspan> age\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n    \u003Cspan class=\"token punctuation\">}\u003C\u002Fspan>\n\n    \u003Cspan class=\"token annotation punctuation\">@Override\u003C\u002Fspan>\n    \u003Cspan class=\"token keyword\">public\u003C\u002Fspan> \u003Cspan class=\"token keyword\">boolean\u003C\u002Fspan> \u003Cspan class=\"token function\">equals\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token class-name\">Object\u003C\u002Fspan> o\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan> \u003Cspan class=\"token punctuation\">{\u003C\u002Fspan>\n        \u003Cspan class=\"token comment\">\u002F\u002F 实现 equals 逻辑\u003C\u002Fspan>\n    \u003Cspan class=\"token punctuation\">}\u003C\u002Fspan>\n\n    \u003Cspan class=\"token annotation punctuation\">@Override\u003C\u002Fspan>\n    \u003Cspan class=\"token keyword\">public\u003C\u002Fspan> \u003Cspan class=\"token keyword\">int\u003C\u002Fspan> \u003Cspan class=\"token function\">hashCode\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan> \u003Cspan class=\"token punctuation\">{\u003C\u002Fspan>\n        \u003Cspan class=\"token comment\">\u002F\u002F 实现 hashCode 逻辑\u003C\u002Fspan>\n    \u003Cspan class=\"token punctuation\">}\u003C\u002Fspan>\n\n    \u003Cspan class=\"token annotation punctuation\">@Override\u003C\u002Fspan>\n    \u003Cspan class=\"token keyword\">public\u003C\u002Fspan> \u003Cspan class=\"token class-name\">String\u003C\u002Fspan> \u003Cspan class=\"token function\">toString\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan> \u003Cspan class=\"token punctuation\">{\u003C\u002Fspan>\n        \u003Cspan class=\"token keyword\">return\u003C\u002Fspan> \u003Cspan class=\"token string\">\"User(name=\"\u003C\u002Fspan> \u003Cspan class=\"token operator\">+\u003C\u002Fspan> name \u003Cspan class=\"token operator\">+\u003C\u002Fspan> \u003Cspan class=\"token string\">\", age=\"\u003C\u002Fspan> \u003Cspan class=\"token operator\">+\u003C\u002Fspan> age \u003Cspan class=\"token operator\">+\u003C\u002Fspan> \u003Cspan class=\"token string\">\")\"\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n    \u003Cspan class=\"token punctuation\">}\u003C\u002Fspan>\n\u003Cspan class=\"token punctuation\">}\u003C\u002Fspan>\n\u003C\u002Fcode>\u003C\u002Fpre>\n      \u003C\u002Fdiv>\n\u003Cp>使用 \u003Ccode>@Value\u003C\u002Fcode> 可以简化以上所有操作。\u003C\u002Fp>\n\u003Ch2 id=\"toc-6\">\u003Ccode>@Value\u003C\u002Fcode> 与可变集合的组合\u003C\u002Fh2>\n\u003Cp>虽然 \u003Ccode>@Value\u003C\u002Fcode> 保证了对象的不可变性，但如果字段是集合类型（如 \u003Ccode>List\u003C\u002Fcode>、\u003Ccode>Map\u003C\u002Fcode> 等），则无法保证集合内容的不可变性。为实现完全不可变性，可以使用 \u003Ccode>Collections.unmodifiableList()\u003C\u002Fcode> 等方法将集合转换为不可变的视图。\u003C\u002Fp>\n\u003Ch3 id=\"toc-7\">示例\u003C\u002Fh3>\n\u003Cdiv class=\"language-java\" data-ext=\"java\" data-code=\"import%20lombok.Value%3B%0Aimport%20java.util.List%3B%0Aimport%20java.util.Collections%3B%0A%0A%40Value%0Apublic%20class%20User%20%7B%0A%20%20%20%20String%20name%3B%0A%20%20%20%20List%3CString%3E%20hobbies%3B%0A%0A%20%20%20%20public%20User(String%20name%2C%20List%3CString%3E%20hobbies)%20%7B%0A%20%20%20%20%20%20%20%20this.name%20%3D%20name%3B%0A%20%20%20%20%20%20%20%20this.hobbies%20%3D%20Collections.unmodifiableList(hobbies)%3B%0A%20%20%20%20%7D%0A%7D%0A\">\n        \u003Cbutton class=\"vp-copy-code-button\" data-copy data-copied=\"已复制\" aria-label=\"复制代码\">\u003C\u002Fbutton>\n        \u003Cpre>\u003Ccode class=\"language-java\">\u003Cspan class=\"token keyword\">import\u003C\u002Fspan> \u003Cspan class=\"token import\">\u003Cspan class=\"token namespace\">lombok\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003C\u002Fspan>\u003Cspan class=\"token class-name\">Value\u003C\u002Fspan>\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n\u003Cspan class=\"token keyword\">import\u003C\u002Fspan> \u003Cspan class=\"token import\">\u003Cspan class=\"token namespace\">java\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>util\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003C\u002Fspan>\u003Cspan class=\"token class-name\">List\u003C\u002Fspan>\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n\u003Cspan class=\"token keyword\">import\u003C\u002Fspan> \u003Cspan class=\"token import\">\u003Cspan class=\"token namespace\">java\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>util\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003C\u002Fspan>\u003Cspan class=\"token class-name\">Collections\u003C\u002Fspan>\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n\n\u003Cspan class=\"token annotation punctuation\">@Value\u003C\u002Fspan>\n\u003Cspan class=\"token keyword\">public\u003C\u002Fspan> \u003Cspan class=\"token keyword\">class\u003C\u002Fspan> \u003Cspan class=\"token class-name\">User\u003C\u002Fspan> \u003Cspan class=\"token punctuation\">{\u003C\u002Fspan>\n    \u003Cspan class=\"token class-name\">String\u003C\u002Fspan> name\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n    \u003Cspan class=\"token class-name\">List\u003C\u002Fspan>\u003Cspan class=\"token generics\">\u003Cspan class=\"token punctuation\"><\u003C\u002Fspan>\u003Cspan class=\"token class-name\">String\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan> hobbies\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n\n    \u003Cspan class=\"token keyword\">public\u003C\u002Fspan> \u003Cspan class=\"token class-name\">User\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token class-name\">String\u003C\u002Fspan> name\u003Cspan class=\"token punctuation\">,\u003C\u002Fspan> \u003Cspan class=\"token class-name\">List\u003C\u002Fspan>\u003Cspan class=\"token generics\">\u003Cspan class=\"token punctuation\"><\u003C\u002Fspan>\u003Cspan class=\"token class-name\">String\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan> hobbies\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan> \u003Cspan class=\"token punctuation\">{\u003C\u002Fspan>\n        \u003Cspan class=\"token keyword\">this\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>name \u003Cspan class=\"token operator\">=\u003C\u002Fspan> name\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n        \u003Cspan class=\"token keyword\">this\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>hobbies \u003Cspan class=\"token operator\">=\u003C\u002Fspan> \u003Cspan class=\"token class-name\">Collections\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">unmodifiableList\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>hobbies\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n    \u003Cspan class=\"token punctuation\">}\u003C\u002Fspan>\n\u003Cspan class=\"token punctuation\">}\u003C\u002Fspan>\n\u003C\u002Fcode>\u003C\u002Fpre>\n      \u003C\u002Fdiv>\n\u003Cp>这段代码确保了 \u003Ccode>hobbies\u003C\u002Fcode> 字段的内容在对象创建后也不可修改。\u003C\u002Fp>\n\u003Ch2 id=\"toc-8\">小结\u003C\u002Fh2>\n\u003Cp>Lombok 的 \u003Ccode>@Value\u003C\u002Fcode> 注解是创建不可变对象的快捷方式，具备以下优点：\u003C\u002Fp>\n\u003Cul>\n\u003Cli>自动将字段设为 \u003Ccode>final\u003C\u002Fcode>，生成只读的 \u003Ccode>getter\u003C\u002Fcode>，确保对象不可变。\u003C\u002Fli>\n\u003Cli>生成 \u003Ccode>toString()\u003C\u002Fcode>、\u003Ccode>equals()\u003C\u002Fcode> 和 \u003Ccode>hashCode()\u003C\u002Fcode> 方法，使对象支持打印和比较。\u003C\u002Fli>\n\u003Cli>提供全参构造方法，便于快速创建对象。\u003C\u002Fli>\n\u003Cli>简化了不可变对象的实现，适合数据传输对象（DTO）和并发环境中共享的数据结构。\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>在多线程和分布式环境中，通过 \u003Ccode>@Value\u003C\u002Fcode> 创建不可变对象，能提升数据安全性和一致性。\u003C\u002Fp>"]