{"id":194168,"date":"2020-11-03T07:18:48","date_gmt":"2020-11-02T23:18:48","guid":{"rendered":"http:\/\/4563.org\/?p=194168"},"modified":"2020-11-03T07:18:48","modified_gmt":"2020-11-02T23:18:48","slug":"java-%e6%96%b0%e6%89%8b%e5%85%b3%e4%ba%8e-java-%e4%b8%ad-object-%e7%b1%bb%e7%9a%84-clone-%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=194168","title":{"rendered":"Java \u65b0\u624b\u5173\u4e8e Java \u4e2d Object \u7c7b\u7684 Clone \u65b9\u6cd5"},"content":{"rendered":"
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Java \u65b0\u624b\u5173\u4e8e Java \u4e2d Object \u7c7b\u7684 Clone \u65b9\u6cd5 <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : proxytoworld <\/span> <\/i> 3<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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\u5728 Object.java \u4e2d clone \u65b9\u6cd5\u662f\u8fd9\u6837\u58f0\u660e\u7684<\/p>\n

protected native Object clone() throws CloneNotSupportedException; <\/code><\/pre>\n
protected \u4fee\u9970\u7b26\u7684\u65b9\u6cd5\u5b50\u7c7b\u5e94\u8be5\u53ef\u4ee5\u7ee7\u627f\uff0c\u4f46\u662f\u4e3a\u4ec0\u4e48\u5b50\u7c7b\u4f7f\u7528 clone \u65b9\u6cd5\u5fc5\u987b\u5f97\u81ea\u5df1\u91cd\u5199 clone \u65b9\u6cd5<\/p>\n
@Override protected Object clone() throws CloneNotSupportedException{     return (Person) super.clone(); } <\/code><\/pre>\n
\u91cd\u5199\u7684\u65b9\u6cd5\u662f super.clone\uff0c\u5373\u4f7f\u7528 Object \u7684 clone \u65b9\u6cd5\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u8fd4\u56de Object \u7c7b\uff0c\u4f46\u662f\u4e3a\u4ec0\u4e48\u53c8\u4f7f\u7528(Person)\u5f3a\u5236\u8f6c\u6362\u4e86\uff0c\u6309\u9053\u7406\u7684\u8bdd\u5e94\u8be5\u662f\u8fd4\u56de Object \u7c7b\u4e0d\u80fd\u8f6c\u6362\u4e3a Person \u7c7b<\/p>\n
Person \u7c7b<\/p>\n
public class Person implements Cloneable{ private int age; private String name; public Person(int age, String name){     this.age = age;     this.name = name; } public Person(){}  public int getAge() {     return age; }  public String getName() {     return name; } @Override protected Object clone() throws CloneNotSupportedException{     return (Person) super.clone(); } <\/code><\/pre>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (2<\/span>)        <\/div>\n
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     \u8cc7\u6df1\u5927\u4f6c : xuanbg <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u56e0\u4e3a clone()\u8fd4\u56de\u7684\u5bf9\u8c61\u5b9e\u9645\u4e0a\u662f Person \u7c7b\u578b\uff0c\u6240\u4ee5\u624d\u80fd\u7528(Person)\u5f3a\u8f6c\u3002\u4e0d\u8fc7\u8fd9\u4e2a\u73a9\u610f\u6ca1\u5565\u7528\uff0c\u53ea\u662f\u4e2a\u6d45\u62f7\u8d1d\u800c\u5df2\u3002\u6df1\u62f7\u8d1d\u7684\u8bdd\u4e00\u822c\u60c5\u51b5\u4e0b\u7528\u5e8f\u5217\u5316+\u53cd\u5e8f\u5217\u5316\u5373\u53ef\u3002\u9664\u975e\u662f\u5927\u89c4\u6a21\u7684\u5bf9\u8c61\u590d\u5236\uff0c\u6ca1\u5fc5\u8981\u7528\u522b\u7684\u9ad8\u6548\u65b9\u6cd5\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : AllanAG <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u56e0\u4e3a\u4f7f\u7528\u4e86\u534f\u53d8\u8fd4\u56de\uff0cobject \u9ed8\u8ba4 clone()\u65b9\u6cd5\u8fd4\u56de object \u5bf9\u8c61\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fd4\u56de\u5b50\u7c7b(\u534f\u53d8\u8fd4\u56de\u7c7b\u578b)
    \u534f\u53d8\u8fd4\u56de\u503c\u7c7b\u578b\uff1a\u5728\u5b50\u7c7b\u4e2d\u91cd\u5199\u65b9\u6cd5\u65f6\u53ef\u4ee5\u7528\u201c\u8f83\u7a84\u201d\u7c7b\u578b\u66ff\u6362\u7684\u7c7b\u578b
    \u5728 Java1.4 \u53ca\u4ee5\u524d\uff0c\u5b50\u7c7b\u65b9\u6cd5\u5982\u679c\u8981\u8986\u76d6\u8d85\u7c7b\u7684\u67d0\u4e2a\u65b9\u6cd5\uff0c\u5fc5\u987b\u5177\u6709\u5b8c\u5168\u76f8\u540c\u7684\u65b9\u6cd5\u7b7e\u540d\uff0c\u5305\u62ec\u8fd4\u56de\u503c\u4e5f\u5fc5\u987b\u5b8c\u5168\u4e00\u6837\u3002
    Java5.0 \u653e\u5bbd\u4e86\u8fd9\u4e00\u9650\u5236\uff0c\u53ea\u8981\u5b50\u7c7b\u65b9\u6cd5\u4e0e\u8d85\u7c7b\u65b9\u6cd5\u5177\u6709\u76f8\u540c\u7684\u65b9\u6cd5\u7b7e\u540d\uff0c\u6216\u8005\u5b50\u7c7b\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u662f\u8d85\u7c7b\u65b9\u6cd5\u7684\u5b50\u7c7b\u578b\uff0c\u5c31\u53ef\u4ee5\u8986\u76d6\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    Java \u65b0\u624b\u5173\u4e8e Java \u4e2d …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/194168"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=194168"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/194168\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=194168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=194168"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=194168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}