{"id":360,"date":"2023-11-29T16:56:37","date_gmt":"2023-09-27T20:58:16","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c\/"},"modified":"2025-08-02T01:40:08","modified_gmt":"2025-08-01T17:40:08","slug":"java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c\/","title":{"rendered":"Java clone()\u65b9\u6cd5\u5b8c\u5168\u6307\u5357\uff1a\u638c\u63e1\u5bf9\u8c61\u514b\u9686\u6280\u672f\u4e0e\u6700\u4f73\u5b9e\u8df5"},"content":{"rendered":"

\u514b\u9686\u662f\u521b\u5efa\u5bf9\u8c61\u526f\u672c\u7684\u8fc7\u7a0b\u3002Java\u4e2d\u7684Object\u7c7b\u63d0\u4f9b\u4e86\u672c\u5730clone()\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u53ef\u4ee5\u8fd4\u56de\u73b0\u6709\u5b9e\u4f8b\u7684\u526f\u672c\u3002\u7531\u4e8eObject\u662fJava\u4e2d\u7684\u57fa\u7c7b\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6240\u6709\u5bf9\u8c61\u90fd\u652f\u6301\u514b\u9686\u64cd\u4f5c\u3002<\/p>\n

Java\u5bf9\u8c61\u514b\u9686<\/h2>\n
\"java<\/div>\n
package com.Olivia.cloning;\r\n\r\nimport java.util.HashMap;\r\nimport java.util.Iterator;\r\nimport java.util.Map;\r\n\r\npublic class Employee implements Cloneable {\r\n\r\n\tprivate int id;\r\n\r\n\tprivate String name;\r\n\r\n\tprivate Map<String, String> props;\r\n\r\n\tpublic int getId() {\r\n\t\treturn id;\r\n\t}\r\n\r\n\tpublic void setId(int id) {\r\n\t\tthis.id = id;\r\n\t}\r\n\r\n\tpublic String getName() {\r\n\t\treturn name;\r\n\t}\r\n\r\n\tpublic void setName(String name) {\r\n\t\tthis.name = name;\r\n\t}\r\n\r\n\tpublic Map<String, String> getProps() {\r\n\t\treturn props;\r\n\t}\r\n\r\n\tpublic void setProps(Map<String, String> p) {\r\n\t\tthis.props = p;\r\n\t}\r\n\r\n\t @Override\r\n\t public Object clone() throws CloneNotSupportedException {\r\n\t return super.clone();\r\n\t }\r\n\r\n}\r\n<\/code><\/pre>\n
\u6211\u4eec\u6b63\u5728\u4f7f\u7528Object\u7c7b\u7684clone()\u65b9\u6cd5\uff0c\u56e0\u6b64\u9700\u8981\u5b9e\u73b0Cloneable\u63a5\u53e3\u3002\u6211\u4eec\u8c03\u7528\u8d85\u7c7b\u7684clone()\u65b9\u6cd5\uff0c\u5373Object\u7c7b\u7684clone()\u65b9\u6cd5\u3002<\/p>\n
\u4f7f\u7528Object clone()\u65b9\u6cd5\u8fdb\u884c\u590d\u5236<\/h2>\n
\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u6d4b\u8bd5\u7a0b\u5e8f\uff0c\u4f7f\u7528\u5bf9\u8c61\u7684clone()\u65b9\u6cd5\u6765\u521b\u5efa\u5b9e\u4f8b\u7684\u526f\u672c\u3002<\/p>\n
package com.Olivia.cloning;\r\n\r\nimport java.util.HashMap;\r\nimport java.util.Map;\r\n\r\npublic class CloningTest {\r\n\r\n\tpublic static void main(String[] args) throws CloneNotSupportedException {\r\n\r\n\t\tEmployee emp = new Employee();\r\n\r\n\t\temp.setId(1);\r\n\t\temp.setName(\"Pankaj\");\r\n\t\tMap<String, String> props = new HashMap<>();\r\n\t\tprops.put(\"salary\", \"10000\");\r\n\t\tprops.put(\"city\", \"Bangalore\");\r\n\t\temp.setProps(props);\r\n\r\n\t\tEmployee clonedEmp = (Employee) emp.clone();\r\n\r\n\t\t\/\/ \u68c0\u67e5emp\u548cclonedEmp\u7684\u5c5e\u6027\u662f\u76f8\u540c\u8fd8\u662f\u4e0d\u540c\r\n\t\tSystem.out.println(\"emp\u548cclonedEmp == \u6d4b\u8bd5: \" + (emp == clonedEmp));\r\n\t\t\r\n\t\tSystem.out.println(\"emp\u548cclonedEmp HashMap == \u6d4b\u8bd5: \" + (emp.getProps() == clonedEmp.getProps()));\r\n\t\t\r\n\t\t\/\/ \u8ba9\u6211\u4eec\u770b\u770b\u4f7f\u7528\u9ed8\u8ba4\u514b\u9686\u7684\u6548\u679c\r\n\t\t\r\n\t\t\/\/ \u66f4\u6539emp\u7684\u5c5e\u6027\r\n\t\temp.getProps().put(\"title\", \"CEO\");\r\n\t\temp.getProps().put(\"city\", \"New York\");\r\n\t\tSystem.out.println(\"clonedEmp\u7684\u5c5e\u6027:\" + clonedEmp.getProps());\r\n\r\n\t\t\/\/ \u66f4\u6539emp\u7684\u540d\u79f0\r\n\t\temp.setName(\"new\");\r\n\t\tSystem.out.println(\"clonedEmp\u7684\u540d\u79f0:\" + clonedEmp.getName());\r\n\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
\u7ed3\u679c\uff1a<\/p>\n
emp\u548cclonedEmp == \u6d4b\u8bd5: false\r\nemp\u548cclonedEmp HashMap == \u6d4b\u8bd5: true\r\nclonedEmp\u7684\u5c5e\u6027:{city=New York, salary=10000, title=CEO}\r\nclonedEmp\u7684\u540d\u79f0:Pankaj\r\n<\/code><\/pre>\n
\u8fd0\u884c\u65f6\u7684\u514b\u9686\u4e0d\u53d7\u652f\u6301\u5f02\u5e38<\/h2>\n
\u5982\u679c\u6211\u4eec\u7684Employee\u7c7b\u6ca1\u6709\u5b9e\u73b0Cloneable\u63a5\u53e3\uff0c\u4e0a\u8ff0\u7a0b\u5e8f\u5c06\u629b\u51faCloneNotSupportedException\u8fd0\u884c\u65f6\u5f02\u5e38\u3002<\/p>\n
Exception in thread \"main\" java.lang.CloneNotSupportedException: com.Olivia.cloning.Employee\r\n\tat java.lang.Object.clone(Native Method)\r\n\tat com.Olivia.cloning.Employee.clone(Employee.java:41)\r\n\tat com.Olivia.cloning.CloningTest.main(CloningTest.java:19)\r\n<\/code><\/pre>\n
\"Java<\/div>\n
\u4e86\u89e3\u5bf9\u8c61\u514b\u9686<\/h2>\n
\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u4e0a\u9762\u7684\u8f93\u51fa\u5e76\u4e86\u89e3\u4e00\u4e0bObject clone()\u65b9\u6cd5\u7684\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n
    \n
  1. \n
      emp\u548cclonedEmp == \u6d4b\u8bd5: false\uff1a\u8fd9\u610f\u5473\u7740emp\u548cclonedEmp\u662f\u4e24\u4e2a\u4e0d\u540c\u7684\u5bf9\u8c61\uff0c\u4e0d\u6307\u5411\u540c\u4e00\u4e2a\u5bf9\u8c61\u3002\u8fd9\u7b26\u5408Java\u5bf9\u8c61\u514b\u9686\u7684\u8981\u6c42\u3002<\/ol>\n<\/li>\n<\/ol>\n
       <\/p>\n
        \n
      1. \n
          emp\u548cclonedEmp HashMap == \u6d4b\u8bd5: true\uff1a\u6240\u4ee5emp\u548cclonedEmp\u5bf9\u8c61\u53d8\u91cf\u90fd\u6307\u5411\u540c\u4e00\u4e2a\u5bf9\u8c61\u3002\u5982\u679c\u6211\u4eec\u66f4\u6539\u5e95\u5c42\u5bf9\u8c61\u7684\u503c\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e25\u91cd\u7684\u6570\u636e\u5b8c\u6574\u6027\u95ee\u9898\u3002\u4efb\u4f55\u503c\u7684\u66f4\u6539\u53ef\u80fd\u4f1a\u53cd\u6620\u5230\u514b\u9686\u7684\u5b9e\u4f8b\u4e2d\u3002<\/ol>\n<\/li>\n<\/ol>\n
           <\/p>\n
            \n
          1. \n
              clonedEmp\u7684\u5c5e\u6027:{city=New York, salary=10000, title=CEO}\uff1a\u6211\u4eec\u6ca1\u6709\u5bf9clonedEmp\u7684\u5c5e\u6027\u8fdb\u884c\u4efb\u4f55\u66f4\u6539\uff0c\u4f46\u5b83\u4eec\u4ecd\u7136\u53d1\u751f\u4e86\u53d8\u5316\uff0c\u56e0\u4e3aemp\u548cclonedEmp\u53d8\u91cf\u90fd\u6307\u5411\u540c\u4e00\u4e2a\u5bf9\u8c61\u3002\u8fd9\u662f\u56e0\u4e3a\u9ed8\u8ba4\u7684Object clone()\u65b9\u6cd5\u521b\u5efa\u7684\u662f\u6d45\u62f7\u8d1d\u3002\u5f53\u60a8\u5e0c\u671b\u901a\u8fc7\u514b\u9686\u8fc7\u7a0b\u521b\u5efa\u5b8c\u5168\u5206\u79bb\u7684\u5bf9\u8c61\u65f6\uff0c\u8fd9\u53ef\u80fd\u4f1a\u6210\u4e3a\u4e00\u4e2a\u95ee\u9898\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u4e0d\u5e0c\u671b\u7684\u7ed3\u679c\uff0c\u56e0\u6b64\u9700\u8981\u6b63\u786e\u5730\u91cd\u5199Object clone()\u65b9\u6cd5\u3002<\/ol>\n<\/li>\n<\/ol>\n
               <\/p>\n
                clonedEmp\u7684\u540d\u79f0:Pankaj\uff1a\u8fd9\u91cc\u53d1\u751f\u4e86\u4ec0\u4e48\uff1f\u6211\u4eec\u66f4\u6539\u4e86emp\u7684\u540d\u79f0\uff0c\u4f46clonedEmp\u7684\u540d\u79f0\u6ca1\u6709\u53d8\u5316\u3002\u8fd9\u662f\u56e0\u4e3aString\u662f\u4e0d\u53ef\u53d8\u7684\u3002\u6240\u4ee5\u5f53\u6211\u4eec\u8bbe\u7f6eemp\u7684\u540d\u79f0\u65f6\uff0c\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32\uff0c\u5e76\u4e14emp\u7684\u540d\u79f0\u5f15\u7528\u4e5f\u4f1a\u66f4\u6539\u4e3athis.name = name\u3002\u56e0\u6b64\uff0cclonedEmp\u7684\u540d\u79f0\u4fdd\u6301\u4e0d\u53d8\u3002\u5bf9\u4e8e\u4efb\u4f55\u539f\u59cb\u53d8\u91cf\u7c7b\u578b\uff0c\u60a8\u4f1a\u53d1\u73b0\u7c7b\u4f3c\u7684\u884c\u4e3a\u3002\u53ea\u8981\u5bf9\u8c61\u4e2d\u53ea\u6709\u539f\u59cb\u548c\u4e0d\u53ef\u53d8\u7684\u53d8\u91cf\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528Java\u5bf9\u8c61\u7684\u9ed8\u8ba4\u514b\u9686\u3002<\/ol>\n
                \u5bf9\u8c61\u590d\u5236\u7c7b\u578b<\/h2>\n
                \u6709\u4e24\u79cd\u7c7b\u578b\u7684\u5bf9\u8c61\u514b\u9686\u2014\u2014\u6d45\u514b\u9686\u548c\u6df1\u514b\u9686\u3002\u8ba9\u6211\u4eec\u4e86\u89e3\u6bcf\u4e00\u79cd\uff0c\u5e76\u627e\u51fa\u5728\u6211\u4eec\u7684Java\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u514b\u9686\u7684\u6700\u4f73\u65b9\u6cd5\u3002<\/p>\n
                1. \u6d45\u62f7\u8d1d<\/h3>\n
                Java Object\u7c7b\u7684clone()\u65b9\u6cd5\u7684\u9ed8\u8ba4\u5b9e\u73b0\u4f7f\u7528\u7684\u662f\u6d45\u62f7\u8d1d\u3002\u5b83\u4f7f\u7528\u53cd\u5c04API\u6765\u521b\u5efa\u5b9e\u4f8b\u7684\u526f\u672c\u3002\u4e0b\u9762\u7684\u4ee3\u7801\u7247\u6bb5\u5c55\u793a\u4e86\u6d45\u62f7\u8d1d\u7684\u5b9e\u73b0\u3002<\/p>\n
                @Override\r\n public Object clone() throws CloneNotSupportedException {\r\n \r\n\t Employee e = new Employee();\r\n\t e.setId(this.id);\r\n\t e.setName(this.name);\r\n\t e.setProps(this.props);\r\n\t return e;\r\n}\r\n<\/code><\/pre>\n
                2. \u6df1\u5ea6\u514b\u9686<\/h3>\n
                \u5728\u6df1\u5ea6\u514b\u9686\u4e2d\uff0c\u6211\u4eec\u5fc5\u987b\u9010\u4e2a\u590d\u5236\u5b57\u6bb5\u3002\u5982\u679c\u6709\u5d4c\u5957\u5bf9\u8c61\u7684\u5b57\u6bb5\uff0c\u4f8b\u5982\u5217\u8868\u3001\u6620\u5c04\u7b49\uff0c\u90a3\u4e48\u6211\u4eec\u8fd8\u5fc5\u987b\u9010\u4e2a\u7f16\u5199\u4ee3\u7801\u6765\u590d\u5236\u5b83\u4eec\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5b83\u88ab\u79f0\u4e3a\u6df1\u5ea6\u514b\u9686\u6216\u6df1\u62f7\u8d1d\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u91cd\u5199Employee\u7684clone\u65b9\u6cd5\u6765\u8fdb\u884c\u6df1\u5ea6\u514b\u9686\u3002<\/p>\n
                public Object clone() throws CloneNotSupportedException {\r\n\r\n\tObject obj = super.clone(); \/\/\u5229\u7528clone Object\u65b9\u6cd5\r\n\r\n\tEmployee emp = (Employee) obj;\r\n\r\n\t\/\/ \u5bf9\u4e0d\u53ef\u53d8\u5b57\u6bb5\u8fdb\u884c\u6df1\u5ea6\u514b\u9686\r\n\temp.setProps(null);\r\n\tMap<String, String> hm = new HashMap<>();\r\n\tString key;\r\n\tIterator<String> it = this.props.keySet().iterator();\r\n\t\/\/ \u9010\u4e2a\u5b57\u6bb5\u7684\u6df1\u5ea6\u590d\u5236\r\n\twhile (it.hasNext()) {\r\n\t\tkey = it.next();\r\n\t\thm.put(key, this.props.get(key));\r\n\t}\r\n\temp.setProps(hm);\r\n\t\r\n\treturn emp;\r\n}\r\n<\/code><\/pre>\n
                \u6709\u4e86\u8fd9\u4e2aclone()\u65b9\u6cd5\u7684\u5b9e\u73b0\uff0c\u6211\u4eec\u7684\u6d4b\u8bd5\u7a0b\u5e8f\u5c06\u4f1a\u4ea7\u751f\u4ee5\u4e0b\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n
                emp\u548cclonedEmp == \u6d4b\u8bd5: false\r\nemp\u548cclonedEmp HashMap == \u6d4b\u8bd5: false\r\nclonedEmp\u7684\u5c5e\u6027:{city=Bangalore, salary=10000}\r\nclonedEmp\u7684\u540d\u79f0:Pankaj\r\n<\/code><\/pre>\n
                \u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8fd9\u5c31\u662f\u6211\u4eec\u60f3\u8981\u7684\u7ed3\u679c\u3002clone()\u65b9\u6cd5\u5e94\u8be5\u8fd4\u56de\u4e00\u4e2a\u4e0e\u539f\u59cb\u5b9e\u4f8b\u5b8c\u5168\u72ec\u7acb\u7684\u65b0\u5bf9\u8c61\u3002\u56e0\u6b64\uff0c\u5982\u679c\u4f60\u5728\u7a0b\u5e8f\u4e2d\u8003\u8651\u4f7f\u7528Object clone\u548c\u514b\u9686\uff0c\u5728\u91cd\u5199\u548c\u5904\u7406\u53ef\u53d8\u5b57\u6bb5\u65f6\u8981\u660e\u667a\u5730\u64cd\u4f5c\u3002\u5982\u679c\u4f60\u7684\u7c7b\u6269\u5c55\u4e86\u5176\u4ed6\u7c7b\uff0c\u800c\u8fd9\u4e9b\u7c7b\u53c8\u6269\u5c55\u4e86\u5176\u4ed6\u7c7b\uff0c\u4ee5\u6b64\u7c7b\u63a8\uff0c\u90a3\u53ef\u80fd\u662f\u4e00\u9879\u8270\u5de8\u7684\u4efb\u52a1\u3002\u4f60\u5fc5\u987b\u4e00\u76f4\u6cbf\u7740Object\u7ee7\u627f\u5c42\u7ea7\u524d\u8fdb\uff0c\u4ee5\u5904\u7406\u6240\u6709\u53ef\u53d8\u5b57\u6bb5\u7684\u6df1\u5ea6\u590d\u5236\u3002<\/p>\n
                \u4f7f\u7528\u5e8f\u5217\u5316\u8fdb\u884c\u514b\u9686\uff1f<\/h2>\n
                \u5728Java\u4e2d\uff0c\u4e00\u79cd\u8f7b\u677e\u6267\u884c\u6df1\u5ea6\u514b\u9686\u7684\u65b9\u6cd5\u662f\u901a\u8fc7\u5e8f\u5217\u5316\u3002\u4f46\u662f\u5e8f\u5217\u5316\u662f\u4e00\u4e2a\u6602\u8d35\u7684\u8fc7\u7a0b\uff0c\u4f60\u7684\u7c7b\u5e94\u8be5\u5b9e\u73b0Serializable\u63a5\u53e3\u3002\u6240\u6709\u7684\u5b57\u6bb5\u548c\u8d85\u7c7b\u4e5f\u5fc5\u987b\u5b9e\u73b0Serializable\u3002<\/p>\n
                \u4f7f\u7528Apache Commons Util<\/h2>\n
                \u5982\u679c\u60a8\u7684\u9879\u76ee\u5df2\u7ecf\u5728\u4f7f\u7528Apache Commons Util\u7c7b\uff0c\u5e76\u4e14\u60a8\u7684\u7c7b\u662f\u53ef\u5e8f\u5217\u5316\u7684\uff0c\u90a3\u4e48\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u3002<\/p>\n
                Employee clonedEmp = org.apache.commons.lang3.SerializationUtils.clone(emp);\r\n<\/code><\/pre>\n
                \u590d\u5236\u6784\u9020\u51fd\u6570\u7528\u4e8e\u514b\u9686<\/h2>\n
                \u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u6765\u521b\u5efa\u5bf9\u8c61\u7684\u526f\u672c\u3002\u4e3a\u4ec0\u4e48\u8fd8\u8981\u4f9d\u8d56\u4e8e\u5bf9\u8c61\u7684clone()\u65b9\u6cd5\u5462\uff1f\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u6709\u4e00\u4e2a\u7c7b\u4f3c\u4e0b\u9762\u4ee3\u7801\u793a\u4f8b\u7684Employee\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u3002<\/p>\n
                public Employee(Employee emp) {\r\n\t\r\n\tthis.setId(emp.getId());\r\n\tthis.setName(emp.getName());\r\n\t\r\n\tMap<String, String> hm = new HashMap<>();\r\n\tString key;\r\n\tIterator<String> it = emp.getProps().keySet().iterator();\r\n\t\/\/ \u9010\u4e2a\u5b57\u6bb5\u7684\u6df1\u5ea6\u590d\u5236\r\n\twhile (it.hasNext()) {\r\n\t\tkey = it.next();\r\n\t\thm.put(key, emp.getProps().get(key));\r\n\t}\r\n\tthis.setProps(hm);\r\n\r\n}\r\n<\/code><\/pre>\n
                \u6bcf\u5f53\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u96c7\u5458\u5bf9\u8c61\u7684\u526f\u672c\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Employee clonedEmp = new Employee(emp)\u6765\u83b7\u53d6\u5b83\u3002\u7136\u800c\uff0c\u5982\u679c\u4f60\u7684\u7c7b\u6709\u5f88\u591a\u53d8\u91cf\uff0c\u7279\u522b\u662f\u539f\u59cb\u7c7b\u578b\u548c\u4e0d\u53ef\u53d8\u7c7b\u578b\uff0c\u7f16\u5199\u590d\u5236\u6784\u9020\u51fd\u6570\u53ef\u80fd\u662f\u4e00\u4e2a\u8d39\u65f6\u7684\u5de5\u4f5c\u3002<\/p>\n
                Java\u5bf9\u8c61\u514b\u9686\u7684\u6700\u4f73\u5b9e\u8df5\u65b9\u6cd5<\/h2>\n
                  \n
                1. \u5f53\u4f60\u7684\u7c7b\u5177\u6709\u539f\u59cb\u7c7b\u578b\u548c\u4e0d\u53ef\u53d8\u53d8\u91cf\uff0c\u6216\u8005\u4f60\u60f3\u8981\u6d45\u62f7\u8d1d\u65f6\uff0c\u53ea\u9700\u4f7f\u7528\u9ed8\u8ba4\u7684Object clone()\u65b9\u6cd5\u3002\u5728\u7ee7\u627f\u7684\u60c5\u51b5\u4e0b\uff0c\u4f60\u5c06\u9700\u8981\u68c0\u67e5\u6240\u6709\u4f60\u6269\u5c55\u7684\u7c7b\uff0c\u76f4\u5230Object\u7ea7\u522b\u4e3a\u6b62\u3002<\/li>\n
                2. \u5982\u679c\u4f60\u7684\u7c7b\u4e3b\u8981\u5177\u6709\u53ef\u53d8\u5c5e\u6027\uff0c\u8fd8\u53ef\u4ee5\u5b9a\u4e49\u590d\u5236\u6784\u9020\u51fd\u6570\u3002<\/li>\n
                3. \u901a\u8fc7\u5728\u91cd\u5199\u7684\u514b\u9686\u65b9\u6cd5\u4e2d\u8c03\u7528super.clone()\u6765\u5229\u7528Object clone()\u65b9\u6cd5\uff0c\u7136\u540e\u5bf9\u53ef\u53d8\u5b57\u6bb5\u8fdb\u884c\u6df1\u5ea6\u590d\u5236\u6240\u9700\u7684\u66f4\u6539\u3002<\/li>\n
                4. \u5982\u679c\u4f60\u7684\u7c7b\u53ef\u5e8f\u5217\u5316\uff0c\u53ef\u4ee5\u4f7f\u7528\u5e8f\u5217\u5316\u6765\u8fdb\u884c\u514b\u9686\u3002\u7136\u800c\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5e26\u6765\u6027\u80fd\u635f\u5931\uff0c\u6240\u4ee5\u5728\u4f7f\u7528\u5e8f\u5217\u5316\u8fdb\u884c\u514b\u9686\u4e4b\u524d\uff0c\u8bf7\u8fdb\u884c\u4e00\u4e9b\u57fa\u51c6\u6d4b\u8bd5\u3002<\/li>\n
                5. \u5982\u679c\u4f60\u6269\u5c55\u4e86\u4e00\u4e2a\u7c7b\uff0c\u5e76\u4e14\u5b83\u5df2\u7ecf\u6b63\u786e\u5730\u4f7f\u7528\u6df1\u5ea6\u590d\u5236\u5b9a\u4e49\u4e86\u514b\u9686\u65b9\u6cd5\uff0c\u90a3\u4e48\u4f60\u53ef\u4ee5\u5229\u7528\u9ed8\u8ba4\u7684clone\u65b9\u6cd5\u3002<\/li>\n<\/ol>\n
                  \u4f8b\u5982\uff0c\u6211\u4eec\u5728Employee\u7c7b\u4e2d\u6b63\u786e\u5b9a\u4e49\u4e86clone()\u65b9\u6cd5\u5982\u4e0b\u3002\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5b50\u7c7b\u5e76\u5229\u7528\u7236\u7c7b\u7684\u6df1\u5ea6\u590d\u5236\u5982\u4e0b\u3002<\/p>\n
                  \r\npublic class EmployeeWrap extends Employee {\r\n    private String title;\r\n\r\n    public String getTitle() {\r\n        return title;\r\n    }\r\n\r\n    public void setTitle(String title) {\r\n        this.title = title;\r\n    }\r\n\r\n    @Override\r\n    public Object clone() throws CloneNotSupportedException {\r\n        EmployeeWrap emp = (EmployeeWrap) super.clone();\r\n        \/\/ \u5982\u679c\u6709\u53ef\u53d8\u5b57\u6bb5\uff0c\u5728\u8fd9\u91cc\u8fdb\u884c\u6df1\u5ea6\u590d\u5236\r\n        return emp;\r\n    }\r\n}\r\n<\/code><\/pre>\n
                  EmployeeWrap\u7c7b\u6ca1\u6709\u53ef\u53d8\u5c5e\u6027\uff0c\u5e76\u4e14\u5b83\u6b63\u5728\u5229\u7528\u7236\u7c7b\u7684clone()\u65b9\u6cd5\u5b9e\u73b0\u3002\u5982\u679c\u6709\u53ef\u53d8\u5b57\u6bb5\uff0c\u5219\u53ea\u9700\u8981\u5bf9\u8fd9\u4e9b\u5b57\u6bb5\u8fdb\u884c\u6df1\u5ea6\u590d\u5236\u3002\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f\u6765\u6d4b\u8bd5\u8fd9\u79cd\u514b\u9686\u65b9\u5f0f\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n
                  \r\npublic class CloningTest {\r\n    public static void main(String[] args) throws CloneNotSupportedException {\r\n        EmployeeWrap emp = new EmployeeWrap();\r\n        emp.setId(1);\r\n        emp.setName(\"Pankaj\");\r\n        emp.setTitle(\"CEO\");\r\n        \r\n        EmployeeWrap clonedEmp = (EmployeeWrap) emp.clone();\r\n        \r\n        System.out.println(\"emp\u548cclonedEmp == \u6d4b\u8bd5: \" + (emp == clonedEmp));\r\n        System.out.println(\"clonedEmp\u7684\u540d\u79f0:\" + clonedEmp.getName());\r\n        System.out.println(\"clonedEmp\u7684\u804c\u4f4d:\" + clonedEmp.getTitle());\r\n        \r\n        \/\/ \u66f4\u6539\u539f\u59cb\u5bf9\u8c61\r\n        emp.setName(\"new\");\r\n        emp.setTitle(\"CTO\");\r\n        \r\n        System.out.println(\"\u66f4\u6539\u540eclonedEmp\u7684\u540d\u79f0:\" + clonedEmp.getName());\r\n        System.out.println(\"\u66f4\u6539\u540eclonedEmp\u7684\u804c\u4f4d:\" + clonedEmp.getTitle());\r\n    }\r\n}\r\n<\/code><\/pre>\n
                  \u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n
                  \r\nemp\u548cclonedEmp == \u6d4b\u8bd5: false\r\nclonedEmp\u7684\u540d\u79f0:Pankaj\r\nclonedEmp\u7684\u804c\u4f4d:CEO\r\n\u66f4\u6539\u540eclonedEmp\u7684\u540d\u79f0:Pankaj\r\n\u66f4\u6539\u540eclonedEmp\u7684\u804c\u4f4d:CEO\r\n<\/code><\/pre>\n
                  \u6240\u4ee5\u5b83\u5b8c\u5168\u6309\u7167\u6211\u4eec\u7684\u671f\u671b\u5de5\u4f5c\u3002<\/p>\n
                  \u8fd9\u5c31\u662f\u5173\u4e8eJava\u4e2d\u7684\u5bf9\u8c61\u514b\u9686\u7684\u5168\u90e8\u5185\u5bb9\u3002\u5e0c\u671b\u4f60\u73b0\u5728\u5bf9Java\u5bf9\u8c61\u7684clone()\u65b9\u6cd5\u4ee5\u53ca\u5982\u4f55\u6b63\u786e\u5730\u91cd\u5199\u5b83\u4ee5\u907f\u514d\u4e0d\u826f\u5f71\u54cd\u6709\u4e86\u66f4\u6df1\u5165\u7684\u4e86\u89e3\u3002<\/p>\n
                  \u4f60\u53ef\u4ee5\u4ece\u6211\u7684GitHub\u4ee3\u7801\u5e93\u4e0b\u8f7d\u8fd9\u4e2a\u9879\u76ee\u7684\u5b8c\u6574\u4ee3\u7801\u3002<\/p>\n
                  \u53c2\u8003\u6587\u6863\uff1aObject clone\u7684API\u6587\u6863<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
                  \u514b\u9686\u662f\u521b\u5efa\u5bf9\u8c61\u526f\u672c\u7684\u8fc7\u7a0b\u3002Java\u4e2d\u7684Object\u7c7b\u63d0\u4f9b\u4e86\u672c\u5730clone()\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u53ef\u4ee5\u8fd4\u56de\u73b0\u6709\u5b9e\u4f8b\u7684\u526f\u672c […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1190,189,1191,1192,1193],"class_list":["post-360","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-clone","tag-java","tag-1191","tag-1192","tag-1193"],"yoast_head":"\nJava clone()\u65b9\u6cd5\u5b8c\u5168\u6307\u5357\uff1a\u638c\u63e1\u5bf9\u8c61\u514b\u9686\u6280\u672f\u4e0e\u6700\u4f73\u5b9e\u8df5 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u6df1\u5165\u89e3\u6790Java\u4e2d\u7684clone()\u65b9\u6cd5\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u5bf9\u8c61\u514b\u9686\u7684\u5b9e\u73b0\u539f\u7406\u3001\u6d45\u62f7\u8d1d\u4e0e\u6df1\u62f7\u8d1d\u7684\u533a\u522b\uff0c\u4ee5\u53ca\u5982\u4f55\u6b63\u786e\u91cd\u5199clone()\u65b9\u6cd5\u3002\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u6f14\u793a\u5e38\u89c1\u514b\u9686\u573a\u666f\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1Java\u5bf9\u8c61\u514b\u9686\u6280\u672f\uff0c\u907f\u514d\u514b\u9686\u8fc7\u7a0b\u4e2d\u7684\u5e38\u89c1\u9677\u9631\u548c\u9519\u8bef\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u4e2d\u7684clone\u65b9\u6cd5-\u5728java\u4e2d\u8fdb\u884c\u514b\u9686\u64cd\u4f5c\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java clone()\u65b9\u6cd5\u5b8c\u5168\u6307\u5357\uff1a\u638c\u63e1\u5bf9\u8c61\u514b\u9686\u6280\u672f\u4e0e\u6700\u4f73\u5b9e\u8df5\" \/>\n<meta property=\"og:description\" content=\"\u6df1\u5165\u89e3\u6790Java\u4e2d\u7684clone()\u65b9\u6cd5\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u5bf9\u8c61\u514b\u9686\u7684\u5b9e\u73b0\u539f\u7406\u3001\u6d45\u62f7\u8d1d\u4e0e\u6df1\u62f7\u8d1d\u7684\u533a\u522b\uff0c\u4ee5\u53ca\u5982\u4f55\u6b63\u786e\u91cd\u5199clone()\u65b9\u6cd5\u3002\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u6f14\u793a\u5e38\u89c1\u514b\u9686\u573a\u666f\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1Java\u5bf9\u8c61\u514b\u9686\u6280\u672f\uff0c\u907f\u514d\u514b\u9686\u8fc7\u7a0b\u4e2d\u7684\u5e38\u89c1\u9677\u9631\u548c\u9519\u8bef\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u4e2d\u7684clone\u65b9\u6cd5-\u5728java\u4e2d\u8fdb\u884c\u514b\u9686\u64cd\u4f5c\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-09-27T20:58:16+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-01T17:40:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/6564846ca4b2f92e6c72fd63\/2-0.png\" \/>\n<meta name=\"author\" content=\"\u79d1, \u96c5\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u79d1, \u96c5\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c\/\",\"name\":\"Java clone()\u65b9\u6cd5\u5b8c\u5168\u6307\u5357\uff1a\u638c\u63e1\u5bf9\u8c61\u514b\u9686\u6280\u672f\u4e0e\u6700\u4f73\u5b9e\u8df5 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-09-27T20:58:16+00:00\",\"dateModified\":\"2025-08-01T17:40:08+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/41e222757cdd2a3365361328bd79970a\"},\"description\":\"\u6df1\u5165\u89e3\u6790Java\u4e2d\u7684clone()\u65b9\u6cd5\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u5bf9\u8c61\u514b\u9686\u7684\u5b9e\u73b0\u539f\u7406\u3001\u6d45\u62f7\u8d1d\u4e0e\u6df1\u62f7\u8d1d\u7684\u533a\u522b\uff0c\u4ee5\u53ca\u5982\u4f55\u6b63\u786e\u91cd\u5199clone()\u65b9\u6cd5\u3002\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u6f14\u793a\u5e38\u89c1\u514b\u9686\u573a\u666f\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1Java\u5bf9\u8c61\u514b\u9686\u6280\u672f\uff0c\u907f\u514d\u514b\u9686\u8fc7\u7a0b\u4e2d\u7684\u5e38\u89c1\u9677\u9631\u548c\u9519\u8bef\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Java clone()\u65b9\u6cd5\u5b8c\u5168\u6307\u5357\uff1a\u638c\u63e1\u5bf9\u8c61\u514b\u9686\u6280\u672f\u4e0e\u6700\u4f73\u5b9e\u8df5\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/41e222757cdd2a3365361328bd79970a\",\"name\":\"\u79d1, \u96c5\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/1b2d3e00a7df03689797ebd4af8c5827ba5af936849a71050ec331f4cf902c5d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/1b2d3e00a7df03689797ebd4af8c5827ba5af936849a71050ec331f4cf902c5d?s=96&d=mm&r=g\",\"caption\":\"\u79d1, \u96c5\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/keya\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Java clone()\u65b9\u6cd5\u5b8c\u5168\u6307\u5357\uff1a\u638c\u63e1\u5bf9\u8c61\u514b\u9686\u6280\u672f\u4e0e\u6700\u4f73\u5b9e\u8df5 - Blog - Silicon Cloud","description":"\u6df1\u5165\u89e3\u6790Java\u4e2d\u7684clone()\u65b9\u6cd5\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u5bf9\u8c61\u514b\u9686\u7684\u5b9e\u73b0\u539f\u7406\u3001\u6d45\u62f7\u8d1d\u4e0e\u6df1\u62f7\u8d1d\u7684\u533a\u522b\uff0c\u4ee5\u53ca\u5982\u4f55\u6b63\u786e\u91cd\u5199clone()\u65b9\u6cd5\u3002\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u6f14\u793a\u5e38\u89c1\u514b\u9686\u573a\u666f\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1Java\u5bf9\u8c61\u514b\u9686\u6280\u672f\uff0c\u907f\u514d\u514b\u9686\u8fc7\u7a0b\u4e2d\u7684\u5e38\u89c1\u9677\u9631\u548c\u9519\u8bef\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/java\u4e2d\u7684clone\u65b9\u6cd5-\u5728java\u4e2d\u8fdb\u884c\u514b\u9686\u64cd\u4f5c\/","og_locale":"zh_CN","og_type":"article","og_title":"Java clone()\u65b9\u6cd5\u5b8c\u5168\u6307\u5357\uff1a\u638c\u63e1\u5bf9\u8c61\u514b\u9686\u6280\u672f\u4e0e\u6700\u4f73\u5b9e\u8df5","og_description":"\u6df1\u5165\u89e3\u6790Java\u4e2d\u7684clone()\u65b9\u6cd5\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u5bf9\u8c61\u514b\u9686\u7684\u5b9e\u73b0\u539f\u7406\u3001\u6d45\u62f7\u8d1d\u4e0e\u6df1\u62f7\u8d1d\u7684\u533a\u522b\uff0c\u4ee5\u53ca\u5982\u4f55\u6b63\u786e\u91cd\u5199clone()\u65b9\u6cd5\u3002\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u6f14\u793a\u5e38\u89c1\u514b\u9686\u573a\u666f\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1Java\u5bf9\u8c61\u514b\u9686\u6280\u672f\uff0c\u907f\u514d\u514b\u9686\u8fc7\u7a0b\u4e2d\u7684\u5e38\u89c1\u9677\u9631\u548c\u9519\u8bef\u3002","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/java\u4e2d\u7684clone\u65b9\u6cd5-\u5728java\u4e2d\u8fdb\u884c\u514b\u9686\u64cd\u4f5c\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-09-27T20:58:16+00:00","article_modified_time":"2025-08-01T17:40:08+00:00","og_image":[{"url":"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/6564846ca4b2f92e6c72fd63\/2-0.png"}],"author":"\u79d1, \u96c5","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u79d1, \u96c5","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c\/","name":"Java clone()\u65b9\u6cd5\u5b8c\u5168\u6307\u5357\uff1a\u638c\u63e1\u5bf9\u8c61\u514b\u9686\u6280\u672f\u4e0e\u6700\u4f73\u5b9e\u8df5 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-09-27T20:58:16+00:00","dateModified":"2025-08-01T17:40:08+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/41e222757cdd2a3365361328bd79970a"},"description":"\u6df1\u5165\u89e3\u6790Java\u4e2d\u7684clone()\u65b9\u6cd5\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u5bf9\u8c61\u514b\u9686\u7684\u5b9e\u73b0\u539f\u7406\u3001\u6d45\u62f7\u8d1d\u4e0e\u6df1\u62f7\u8d1d\u7684\u533a\u522b\uff0c\u4ee5\u53ca\u5982\u4f55\u6b63\u786e\u91cd\u5199clone()\u65b9\u6cd5\u3002\u901a\u8fc7\u5b9e\u4f8b\u4ee3\u7801\u6f14\u793a\u5e38\u89c1\u514b\u9686\u573a\u666f\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1Java\u5bf9\u8c61\u514b\u9686\u6280\u672f\uff0c\u907f\u514d\u514b\u9686\u8fc7\u7a0b\u4e2d\u7684\u5e38\u89c1\u9677\u9631\u548c\u9519\u8bef\u3002","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"Java clone()\u65b9\u6cd5\u5b8c\u5168\u6307\u5357\uff1a\u638c\u63e1\u5bf9\u8c61\u514b\u9686\u6280\u672f\u4e0e\u6700\u4f73\u5b9e\u8df5"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/41e222757cdd2a3365361328bd79970a","name":"\u79d1, \u96c5","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/1b2d3e00a7df03689797ebd4af8c5827ba5af936849a71050ec331f4cf902c5d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/1b2d3e00a7df03689797ebd4af8c5827ba5af936849a71050ec331f4cf902c5d?s=96&d=mm&r=g","caption":"\u79d1, \u96c5"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/keya\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%b8%ad%e7%9a%84clone%e6%96%b9%e6%b3%95-%e5%9c%a8java%e4%b8%ad%e8%bf%9b%e8%a1%8c%e5%85%8b%e9%9a%86%e6%93%8d%e4%bd%9c\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=360"}],"version-history":[{"count":4,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/360\/revisions"}],"predecessor-version":[{"id":109898,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/360\/revisions\/109898"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}