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1\u3001\u7c7b\u53d8\u91cf\u548c\u7c7b\u65b9\u6cd5<\/h2>\n

2\u3001\u7c7b\u53d8\u91cf<\/h2>\n

1\u3001\u8bbe\u7f6e\u540e\u88ab\u6240\u6709\u5bf9\u8c61\u5b9e\u4f8b\u5171\u4eab\uff08static\u53d8\u91cf\u662f\u5bf9\u8c61\u5171\u4eab\uff09\/\/\u540c\u4e00\u7c7b\u4e2d<\/p>\n

2\u3001static\u7c7b\u53d8\u91cf\uff0c\u5728\u7c7b\u52a0\u8f7d\u7684\u65f6\u5019\u5c31\u751f\u6210\u4e86\u3002\/\/\u6240\u6709\u5728\u4e0d\u5bf9\u8c61\u5b9e\u4f8b\u5316\u4e0b\u5c31\u53ef\u4ee5\u5bf9\u8c61\u540d.\u7c7b\u53d8\u91cf<\/p>\n

2.1\u3001\u7c7b\u53d8\u91cf\u7684\u5185\u5b58\u5256\u6790<\/h3>\n

\"\"<\/div><\/p>\n

1\u3001\u6709\u8bf4\u5728\u5806\u7a7a\u95f4\u4e2d\u7684\u7c7b\u4e2d \/\/1.8\u7248\u672c\u4ee5\u540e<\/p>\n

2\u3001\u53c8\u8bf4\u662f\u5728\u5e38\u91cf\u6c60\u4e2d\uff08\u9759\u6001\u57df\u4e2d\uff09<\/p>\n

2.2\u3001\u7c7b\u53d8\u91cf\u7684\u5b9a\u4e49\u548c\u8bbf\u95ee<\/h3>\n

1\u3001\u5b9a\u4e49\u8bed\u6cd5\uff1a<\/strong><\/p>\n

\uff081\uff09\u8bbf\u95ee\u4fee\u9970\u7b26 static \u6570\u636e\u7c7b\u578b \u53d8\u91cf\u540d \uff1b\u3010\u63a8\u8350\u3011<\/p>\n

\uff082\uff09static \u8bbf\u95ee\u4fee\u9970\u7b26 \u6570\u636e\u7c7b\u578b \u53d8\u91cf\u540d \uff1b<\/p>\n

2\u3001\u5982\u4f55\u8bbf\u95ee<\/p>\n

\uff081\uff09\u7c7b\u540d.\u7c7b\u540d\u53d8\u91cf <\/p>\n

\uff082\uff09\u5bf9\u8c61\u540d.\u7c7b\u53d8\u91cf\u540d\uff08\u548c\u666e\u901a\u8bbf\u95ee\u4e00\u6837\uff09<\/p>\n

\uff083\uff09\u7c7b\u540d.\u7c7b\u53d8\u91cf\u540d<\/p>\n

\u6ce8\uff1a\u7c7b\u53d8\u91cf\u9075\u5b88\u6743\u9650\u4fee\u9970\u7b26\u7684\u89c4\u5219<\/strong><\/p>\n

2.3\u3001\u7c7b\u53d8\u91cf\u7684\u4f7f\u7528\u7ec6\u8282<\/h3>\n

1\u3001\u7c7b\u53d8\u91cf\u662f\u672c\u7c7b\u6240\u6709\u5bf9\u8c61\u90fd\u53ef\u4ee5\u8c03\u7528\u7684<\/strong><\/p>\n

2\u3001\u7c7b\u53d8\u91cf\u548c\u5b9e\u4f8b\u53d8\u91cf\uff08\u666e\u901a\u5c5e\u6027\uff09\u7684\u533a\u522b<\/p>\n

\uff081\uff09\u7c7b\u53d8\u91cf\u662f\u8be5\u7c7b\u6240\u6709\u7684\u5bf9\u8c61\u90fd\u53ef\u4ee5\u8bbf\u95ee<\/p>\n

\uff082\uff09\u5b9e\u4f8b\u53d8\u91cf\u662f\u6bcf\u4e2a\u5bf9\u8c61\u72ec\u4eab\u7684\u3002<\/p>\n

3\u3001\u5b9e\u4f8b\u53d8\u91cf\uff08\u666e\u901a\u53d8\u91cf\uff09\u4e0d\u80fd\u901a\u8fc7 \u7c7b\u540d.\u7c7b\u53d8\u91cf \u65b9\u5f0f\u8bbf\u95ee<\/p>\n

4\u3001\u7c7b\u53d8\u91cf\u662f\u5728\u7c7b\u52a0\u8f7d\u7684\u65f6\u5019\u5c31\u521d\u59cb\u5316\u4e86\uff0c\u5373\u4f7f\u6ca1\u6709\u521b\u5efa\u5bf9\u8c61\uff0c\u53ea\u8981\u7c7b\u52a0\u8f7d\u4e86\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u7c7b\u53d8\u91cf\u4e86<\/p>\n

5\u3001\u7c7b\u53d8\u91cf\u7684\u751f\u547d\u5468\u671f\u662f\u968f\u7c7b\u7684\u52a0\u8f7d\u5f00\u59cb\uff0c\u968f\u7740\u7c7b\u6d88\u4ea1\u800c\u9500\u6bc1\u3002<\/p>\n

3\u3001\u7c7b\u65b9\u6cd5\uff08\u9759\u6001\u65b9\u6cd5\uff09<\/h2>\n

3.1\u3001\u57fa\u672c\u7528\u6cd5<\/h3>\n

1\u3001\u7c7b\u65b9\u6cd5\u4e5f\u53eb\u9759\u6001\u65b9\u6cd5<\/p>\n

2\u3001\u64cd\u4f5c<\/p>\n

\uff081\uff09 \u8bbf\u95ee\u4fee\u9970\u7b26 static \u6570\u636e\u8fd4\u56de\u7c7b\u578b \u65b9\u6cd5\u540d\uff08\uff09{}\u3010\u63a8\u8350\u3011<\/p>\n

\uff082\uff09 static \u8bbf\u95ee\u4fee\u9970\u7b26 \u6570\u636e\u8fd4\u56de\u7c7b\u578b \u65b9\u6cd5\u540d\uff08\uff09{} <\/p>\n

3\u3001\u8c03\u7528<\/p>\n

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\uff082\uff09\u5bf9\u8c61\u540d.\u7c7b\u65b9\u6cd5\u540d<\/p>\n

4\u3001\u5c0f\u7ed3<\/p>\n

\u5728\u7a0b\u5e8f\u5458\u5b9e\u9645\u5f00\u53d1\uff0c\u5f80\u5f80\u4f1a\u5c06\u4e00\u4e9b\u901a\u7528\u7684\u65b9\u6cd5\uff0c\u8bbe\u8ba1\u6210\u9759\u6001\u65b9\u6cd5\uff0c\u8fd9\u6837\u6211\u4eec\u4e0d\u9700\u8981\u521b\u5efa\u5bf9\u8c61\u5c31\u53ef\u4ee5\u4f7f\u7528\u4e86\uff0c\u6bd4\u5982\u6253\u5370\u4e00\u4f4d\u6570\u7ec4\uff0c\u5192\u6ce1\u6392\u5e8f\uff0c\u5b8c\u6210\u67d0\u4e2a\u8ba1\u7b97\u4efb\u52a1\u7b49\u3002<\/p>\n

3.2\u3001\u6ce8\u610f\u4e8b\u9879<\/h3>\n

1\u3001\u7c7b\u65b9\u6cd5\u548c\u666e\u901a\u65b9\u6cd5\u90fd\u662f\u968f\u7740\u7c7b\u7684\u52a0\u8f7d\u800c\u52a0\u8f7d\uff0c\u5c06\u7ed3\u6784\u4fe1\u606f\u5b58\u50a8\u5728\u65b9\u6cd5\u533a\u3002<\/p>\n

2\u3001\u7c7b\u65b9\u6cd5\u4e2d\u6ca1\u6709this\u548csuper\u53c2\u6570\u3001\u666e\u901a\u65b9\u6cd5\u9690\u542bthis\u548csuper\u7684\u53c2\u6570<\/p>\n

3\u3001\u666e\u901a\u65b9\u6cd5\u4e0d\u80fd\u901a\u8fc7\u7c7b\u540d\u8c03\u7528\uff0c\u7c7b\u65b9\u6cd5\u53ef\u4ee5<\/p>\n

4\u3001\u9759\u6001\u65b9\u6cd5\u4e2d\u53ea\u80fd\u8bbf\u95ee\u9759\u6001\u53d8\u91cf\u6216\u9759\u6001\u65b9\u6cd5<\/p>\n

5\u3001\u666e\u901a\u7684\u6210\u5458\uff08\u53d8\u91cf\u3001\u65b9\u6cd5\uff09\uff0c\u65e2\u53ef\u8bbf\u95ee\u975e\u9759\u6001\u6210\u5458\uff0c\u4e5f\u53ef\u4ee5\u8bbf\u95ee\u9759\u6001\u6210\u5458<\/p>\n

\u603b\u7ed3\uff1a<\/strong>\u9759\u6001\u65b9\u6cd5\uff0c\u53ea\u80fd\u8bbf\u95ee\u9759\u6001\u7684\u6210\u5458\uff0c\u975e\u9759\u6001\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8bbf\u95ee\u9759\u6001\u6d4b\u9a8c\u548c\u975e\u9759\u6001\u6d4b\u9a8c\uff08\u5fc5\u987b\u9075\u5b88\u8bbf\u95ee\u6743\u9650\uff09<\/p>\n

3.3\u3001\u7406\u89e3 main\u65b9\u6cd5\u7684\u8bed\u6cd5<\/h3>\n

1\u3001java\u865a\u62df\u673a\u8c03\u7528mian\u65b9\u6cd5<\/p>\n

2\u3001\u56e0\u4e3a\u865a\u62df\u673a\u548cmain\u65b9\u6cd5\u4e0d\u662f\u4e00\u4e2a\u7c7b\uff0c\u6240\u6709\u8981\u7528\uff1apublic<\/p>\n

3\u3001static\uff1a\u662f\u4e0d\u9700\u8981\u521b\u5efa\u5bf9\u8c61\u6765\u8c03\u7528\uff0c\u76f4\u63a5\u60f3\u8c03\u7528<\/p>\n

4\u3001\u8be5\u65b9\u6cd5\u63a5\u6536String\u7c7b\u578b\u7684\u6570\u7ec4\u53c2\u6570\uff0c\u8be5\u6570\u7ec4\u4e2d\u4fdd\u5b58\u6267\u884c\u4e86java\u547d\u4ee4\u65f6\uff0c\u4f20\u9012\u7ed9\u6240\u6709\u8fd0\u884c\u7684\u7c7b\u7684\u53c2\u6570<\/p>\n

\uff081\uff09\u53ef\u4ee5\u5728cmd\u4e2d\u8f93\u5165\u548c\u53d6\u51fa\u6570\u7ec4\u5b58\u653e\u7684\u53c2\u6570
\n

\"\"<\/div><\/p>\n

\uff082\uff09\u4e5f\u53ef\u4ee5\u5728idea\u4e2d\u64cd\u4f5c <\/p>\n

\"image-20230321223504220\"<\/div>
\n
\"\"<\/div><\/p>\n

5\u3001\u9759\u6001\u65b9\u6cd5\u4e0d\u80fd\u76f4\u63a5\u8bbf\u95ee\u975e\u9759\u6001\u65b9\u6cd5\u548c\u53d8\u91cf\uff0c\u4f46\u662f\u53ef\u4ee5\u901a\u8fc7\u5b9e\u4f8b\u5316\u5bf9\u8c61\uff08\u5bf9\u8c61.\u65b9\u6cd5\/\u5c5e\u6027)\u53bb\u8c03\u7528<\/p>\n

4\u3001\u4ee3\u7801\u5757<\/h2>\n

4.1\u3001\u57fa\u672c\u4ecb\u7ecd<\/h3>\n

\uff081\uff09\u53c8\u79f0\u4e3a\u521d\u59cb\u5316\u5757\uff0c\u5c5e\u4e8e\u7c7b\u4e2d\u7684\u6210\u5458\u3010\u5373\u662f\u7c7b\u7684\u4e00\u90e8\u5206\u3011\u5c06\u903b\u8f91\u7ed3\u6784\u5c01\u88c5\u5728\u65b9\u6cd5\u4f53\u4e2d\uff0c\u901a\u8fc7{}\u5305\u56f4\u8d77\u6765<\/p>\n

\uff082\uff09\u65b9\u6cd5\u4e0d\u540c\uff0c\u6ca1\u6709\u65b9\u6cd5\u540d\uff0c\u6ca1\u6709\u8fd4\u56de\uff0c\u6ca1\u6709\u53c2\u6570\uff0c\u53ea\u6709\u65b9\u6cd5\u4f53\uff0c\u65e5\u671f\u4e0d\u901a\u8fc7\u5bf9\u8c61\u6216\u7c7b\u663e\u5f0f\u8c03\u7528\uff0c\u800c\u662f\u52a0\u8f7d\u7c7b\u65f6\uff0c\u6216\u521b\u5efa\u5bf9\u8c61\u65f6\u9690\u5f0f\u8c03\u7528<\/p>\n

2\u3001\u57fa\u672c\u8bed\u6cd5<\/p>\n

[\u4fee\u9970\u7b26]{<\/p>\n

\u200b \u4ee3\u7801<\/p>\n

}\u65f6<\/p>\n

\u8bf4\u660e\u6ce8\u610f\uff1a<\/p>\n

\uff081\uff09\u4fee\u9970\u7b26\u53ea\u80fd\u586bstatic\u6216\u8005\u7a7a\u767d<\/p>\n

\uff082\uff09\u6709\u9759\u6001\u548c\u975e\u9759\u6001\u4ee3\u7801\u5757\u4e4b\u5206<\/p>\n

\uff083\uff09\u903b\u8f91\u8bed\u53e5<\/p>\n

3\u3001\u4f5c\u7528<\/p>\n

\uff081\uff09\u4f5c\u4e3a\u6784\u9020\u5668\u7684\u4e00\u79cd\u8865\u5145 \uff0c\u6784\u9020\u5668\u4e2d\u6709\u91cd\u590d\u7684\u4e1c\u897f\uff0c\u53ef\u4ee5\u63d0\u53d6\u51fa\u6765\u653e\u5165\u4ee3\u7801\u5757\u4e2d<\/p>\n

\uff082\uff09\u4ee3\u7801\u5757\u6267\u884c\u901f\u5ea6\u4f18\u5148\u4e8e\u6784\u9020\u5668<\/strong><\/p>\n

1\u3001\u7ec6\u8282\u4f7f\u7528\u53ca\u6ce8\u610f\u4e8b\u9879<\/h4>\n

1\u3001static\u4ee3\u7801\u5757\u968f\u7740\u7c7b\u7684\u52a0\u8f7d\u800c\u52a0\u8f7d\uff0c\u4e14\u53ea\u4f1a\u6267\u884c\u4e00\u6b21<\/strong><\/p>\n

2\u3001 \u7c7b\u5728\u4ec0\u4e48\u65f6\u5019\u4f1a\u88ab\u8c03\u7528<\/p>\n

\uff081\uff09\u521b\u5efa\u5bf9\u8c61\u5b9e\u4f8b\u65f6\uff08new\uff09<\/p>\n

\uff082\uff09\u521b\u5efa\u5b50\u7c7b\u5bf9\u8c61\u5b9e\u4f8b\uff0c\u7236\u7c7b\u4e5f\u4f1a\u88ab\u52a0\u8f7d\u3002\u5148\u52a0\u8f7d\u7236\u7c7b\uff0c\u540e\u52a0\u8f7d\u5b50\u7c7b<\/p>\n

\uff083\uff09\u4f7f\u7528\u7c7b\u7684\u9759\u6001\u6210\u5458\uff08\u53d8\u91cf\/\u65b9\u6cd5\uff09\u65f6<\/p>\n

\uff084\uff09\u7c7b\u52a0\u8f7d\u548c\u666e\u901a\u4ee3\u7801\u5757\u6ca1\u5173\u7cfb\uff0c\u53ea\u6709\u7c7b\u7684\u5b9e\u4f8b\u5316\u624d\u4f1a\u8c03\u7528\u666e\u901a\u4ee3\u7801\u5757<\/p>\n

3\u3001\u9759\u6001\u4ee3\u7801\u5757\u548c\u9759\u6001\u5c5e\u6027\u521d\u59cb\u5316\u6267\u884c\u4f18\u5148\u7ea7\u4e00\u6837\uff0c\u770b\u5b9a\u4e49\u7684\u987a\u5e8f<\/p>\n

4\u3001\u666e\u901a\u4ee3\u7801\u5757\u548c\u666e\u901a\u5c5e\u6027\u6d4b\u8bd5\u6267\u884c\u4f18\u5148\u7ea7\u4e00\u6837\uff0c\u770b\u5b9a\u4e49\u7684\u987a\u5e8f<\/p>\n

\uff081\uff09\u5c0f\u7ed3<\/p>\n

\uff081\uff09static\u4ee3\u7801\u5757\u662f\u7c7b\u52a0\u8f7d\u65f6\uff0c\u6267\u884c\uff0c\u53ea\u6267\u884c\u4e00\u6b21<\/p>\n

\uff082\uff09\u666e\u901a\u4ee3\u7801\u5757\u662f\u5728\u521b\u5efa\u5bf9\u8c61\u65f6\u8c03\u7528\u7684\uff0c\u521b\u5efa\u4e00\u6b21\uff0c\u8c03\u7528\u4e00\u6b21<\/p>\n

5\u3001\u6700\u540e\u8c03\u7528\u6784\u9020\u5668<\/p>\n

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6\u3001?\u2757\u521b\u5efa\u4e00\u4e2a\u5b50\u7c7b\u5bf9\u8c61\u65f6\uff08\u7ee7\u627f\u5173\u7cfb\uff0cC\u7ee7\u627fB\uff0cB\u7ee7\u627fA\uff09\u4ed6\u4eec\u7684\u9759\u6001\u5c5e\u6027\u3001\u4ee3\u7801\u5757\u548c\u666e\u901a\u5c5e\u6027\u3001\u4ee3\u7801\u5757\u548c\u6784\u9020\u5668\u7684\u8c03\u7528\u987a\u5e8f<\/p>\n

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\uff083\uff09\u7236\u7c7b\u7684\u666e\u901a\u4ee3\u7801\u5757\u3001\u5c5e\u6027\uff08\u6309\u5b9a\u4e49\u987a\u5e8f\u6765\uff09<\/p>\n

\uff084\uff09\u7236\u7c7b\u7684\u6784\u9020\u65b9\u6cd5\uff08\u6784\u9020\u5668\uff09<\/p>\n

\uff085\uff09\u5b50\u7c7b\u666e\u901a\u4ee3\u7801\u5757\u3001\u5c5e\u6027\uff08\u6309\u5b9a\u4e49\u987a\u5e8f\u6765\uff09<\/p>\n

\uff086\uff09\u5b50\u7c7b\u7684\u6784\u9020\u65b9\u6cd5\uff08\u6784\u9020\u5668\uff09<\/p>\n

7\u3001\u9759\u6001\u4ee3\u7801\u5757\u53ea\u80fd\u76f4\u63a5\u8c03\u7528\u9759\u6001\u6210\u5458\uff08\u5c5e\u6027\u3001\u65b9\u6cd5\uff09\uff0c\u666e\u901a\u4ee3\u7801\u5757\u53ef\u4ee5\u8c03\u7528\u4efb\u610f\u6210\u5458\u3002<\/p>\n

2\u3001\u4e3e\u4f8b<\/h4>\n

eg\uff1a<\/p>\n

class AAA{<\/p>\n

static{<\/p>\n

\u200b sout.("AAA\u9759\u6001\u4ee3\u7801\u5757\u88ab\u6267\u884c");1\ufe0f\u20e3<\/p>\n

\u200b } <\/p>\n

\u200b {<\/p>\n

\u200b sout.("AAA\u666e\u901a\u4ee3\u7801\u5757\u88ab\u6267\u884c")5\ufe0f\u20e3<\/p>\n

\u200b }<\/p>\n

public int n1 =getvalue01;<\/p>\n

public void getvalue01(){<\/p>\n

\u200b sout.("AAA\u666e\u901a\u65b9\u6cd5\u88ab\u8c03\u7528")6\ufe0f\u20e3<\/p>\n

}<\/p>\n

public static int n2 = getvalue02();<\/p>\n

public static void getvalue02(){<\/p>\n

\u200b sout.("AAA\u9759\u6001\u65b9\u6cd5\u88ab\u8c03\u7528") 2\ufe0f\u20e3 <\/p>\n

\u200b }<\/p>\n

public AAA{<\/p>\n

\u200b \/\/super\uff1aObject\u6ca1\u5185\u5bb9<\/p>\n

\u200b \/\/\u4ee3\u7801\u5757\uff1a<\/p>\n

\u200b sout.("AAA\u6784\u9020\u5668\u88ab\u6267\u884c")7\ufe0f\u20e3<\/p>\n

\u200b }<\/p>\n

}<\/p>\n

class BBB extend AAA{<\/p>\n

static{<\/p>\n

\u200b sout.("BBB\u9759\u6001\u4ee3\u7801\u5757\u88ab\u6267\u884c");3\ufe0f\u20e3<\/p>\n

\u200b } <\/p>\n

\u200b {<\/p>\n

\u200b sout.("BBB\u666e\u901a\u4ee3\u7801\u5757\u88ab\u6267\u884c")8\ufe0f\u20e3<\/p>\n

\u200b }<\/p>\n

\u200b public BBB{<\/p>\n

\u200b \/\/\u6784\u9020\u5668\u4e2d\u53ef\u4ee5\u770b\u505a\u9690\u85cf\u4e86super\u548c\u4ee3\u7801\u5757<\/p>\n

\u200b sout.("BBB\u6784\u9020\u5668\u88ab\u6267\u884c")?<\/p>\n

\u200b }<\/p>\n

public int n3 =getvalue03;<\/p>\n

public void getvalue03(){<\/p>\n

\u200b sout.("BBB\u666e\u901a\u65b9\u6cd5\u88ab\u8c03\u7528")9\ufe0f\u20e3<\/p>\n

}<\/p>\n

public static int n4 = getvalue04();<\/p>\n

public static void getvalue04(){<\/p>\n

\u200b sout.("BBB\u9759\u6001\u65b9\u6cd5\u88ab\u8c03\u7528")4\ufe0f\u20e3 <\/p>\n

\u200b }<\/p>\n

}<\/p>\n

main\uff08String args\uff09{<\/p>\n

\u200b new BBB\uff08\uff09;<\/p>\n

}<\/p>\n

\u8f93\u51fa\u7684\u662f\uff1a<\/p>\n

\/\/\u5148\u6267\u884c\u5b50\u7236\u7684\u9759\u6001\u5c5e\u6027\u3001\u65b9\u6cd5\u3002\u518d\u6267\u884c\u7236\u7c7b\u6765\u8bf4\u7684\u666e\u901a\u5c5e\u6027\u3001\u65b9\u6cd5\u3002\u6784\u9020\u5668\u3002<\/p>\n

4.2\u3001\u5355\u4f8b\u8bbe\u8ba1\u6a21\u5f0f<\/h3>\n

1\u3001\u8bbe\u8ba1\u6a21\u5f0f\uff1a<\/h4>\n

1\u3001\u5927\u91cf\u5b9e\u8df5\u540e\u5f97\u5230\u7684\u4ee3\u7801\u7ed3\u6784\u3001\u98ce\u683c\u3001\u601d\u8003\u65b9\u5f0f\u3002\u53ef\u4ee5\u7406\u89e3\u4e3a\uff0c\u6b66\u529f\u79d8\u7c4d<\/p>\n

2\u3001\u5355\u4f8b\u6a21\u5f0f---\u997f\u6c49\u8bd5<\/h4>\n

1\u3001\u6982\u5ff5\uff1a\u91c7\u53d6\u65b9\u6cd5\u4fdd\u8bc1\u6574\u4e2a\u8f6f\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u5bf9\u67d0\u4e2a\u7c7b\u53ea\u80fd\u5b58\u5728\u4e00\u4e2a\u5bf9\u8c61\u5b9e\u4f8b\uff0c\u5e76\u4e14\u8be5\u7c7b\u53ea\u63d0\u4f9b\u4e00\u4e2a\u53d6\u5f97\u5176\u5bf9\u8c61\u5b9e\u4f8b\u7684\u65b9\u6cd5<\/p>\n

2\u3001\u6b65\u9aa4\u5982\u4e0b<\/p>\n

\uff081\uff09\u6784\u9020\u5668\u79c1\u6709\u5316\u3002\/\/\u9632\u6b62\u5916\u7c7b\u76f4\u63a5new \u5bf9\u8c61<\/p>\n

\uff082\uff09\u7c7b\u7684\u5185\u90e8\u521b\u5efa\u5bf9\u8c61 \/\/\u9700\u8981\u5f04\u6210static<\/p>\n

\uff083\uff09\u5411\u5f80\u66b4\u9732\u4e00\u4e2a\u9759\u6001\u516c\u5171\u65b9\u6cd5 \/\/\u63d0\u4f9b\u4e00\u4e2a\u516c\u5171\u7684static\u65b9\u6cd5 \u8fd4\u56de\u5bf9\u8c61<\/p>\n

\uff084\uff09\u997f\u6c49\u5f0f\u7406\u89e3\uff1astatic\u65b9\u6cd5\u968f\u7740\u7c7b\u7684\u52a0\u8f7d\u800c\u52a0\u8f7d<\/strong>\uff0c\u4e0d\u7ba1\u6709\u6ca1\u6709\u4f7f\u7528\uff0c\u5c31\u76f4\u63a5\u521b\u5efa\u5bf9\u8c61\u3002<\/p>\n

3\u3001eg\uff1a<\/p>\n

public class SingletonTest01 {\n    public static void main(String[] args) {\n        Singleton01 instance  = Singleton01.getInstance();        \/\/\u5229\u7528\u65b9\u6cd5\u8c03\u7528\u5bf9\u8c61\n        Singleton01 instance01 = Singleton01.getInstance();\n        System.out.println(instance == instance01);\n        System.out.println("instance,hashCode=" + instance.hashCode());\n        System.out.println("instance01,hashCode=" + instance01.hashCode());\n\n}\n\n}\nclass Singleton01{\n    private Singleton01(){};    \/\/\u79c1\u6709\u6784\u9020\u5668\n    private static Singleton01 instance = new Singleton01();    \/\/\u521b\u5efa\u5bf9\u8c61\n    public static Singleton01 getInstance(){\n        return instance;    \/\/\u5229\u7528\u65b9\u6cd5\u8fd4\u56de\u5bf9\u8c61\n    }\n}\n\n\/\/ \u8fd0\u884c\u7ed3\u679c\ntrue\ninstance,hashCode=1846274136\ninstance01,hashCode=1846274136<\/code><\/pre>\n
3\u3001\u5355\u4f8b\u6a21\u5f0f---\u61d2\u6c49\u5f0f<\/h4>\n
1\u3001\u6982\u5ff5\u4e00\u6837<\/p>\n
2\u3001\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n
\uff081\uff09\u8bbe\u7f6e\u5bf9\u8c61\u4e3anull<\/p>\n
\uff082\uff09\u6784\u9020\u5668\u79c1\u6709\u5316 \/\/\u9632\u6b62\u5916\u7c7b\u76f4\u63a5new\u5bf9\u8c61<\/p>\n
\uff083\uff09if\u5224\u65ad\u5bf9\u8c61\u662f\u5426\u4e3a\u7a7a\uff0c\u4e3a\u7a7a\u5219\u521b\u5efa\u3002\u5426\u5219\u8fd4\u56de\u539f\u6765<\/p>\n
\uff084\uff09\u61d2\u6c49\u5f0f\uff1a\u5148\u8fdb\u884cif\u5224\u65ad\uff0c\u9700\u8981\u5bf9\u8c61\u5c31\u521b\u5efa\uff0c\u5426\u5219\u5c31\u4e0d\u521b\u5efa\u3002<\/p>\n
3\u3001eg\uff1a<\/p>\n
4\u3001\u997f\u6c49\u5f0fVS\u61d2\u6c49\u5f0f<\/h4>\n
1\u3001\u4e8c\u8005\u6700\u4e3b\u8981\u7684\u533a\u522b\u5c31\u662f\u521b\u5efa\u5bf9\u8c61\u7684\u65f6\u673a\u4e0d\u540c\uff1a\u997f\u6c49\u5f0f\u662f\u5728\u7c7b\u52a0\u8f7d\u5c31\u521b\u5efa\u4e86\u5bf9\u8c61\u5b9e\u4f8b\uff0c\u61d2\u6c49\u5f0f\u662f\u5728\u4f7f\u7528\u65f6\u624d\u521b\u5efa\u3002<\/p>\n
2\u3001\u997f\u6c49\u5f0f\u4e0d\u5b58\u5728\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002\u61d2\u6c49\u5f0f\u5b58\u5728\u5b89\u5168\u95ee\u9898<\/p>\n
3\u3001\u997f\u6c49\u5f0f\u5b58\u5728\u8d44\u6e90\u6d6a\u8d39\u7684\u60c5\u51b5<\/p>\n
5\u3001final\u5173\u952e\u5b57<\/h2>\n
5.1\u3001\u57fa\u672c\u4ecb\u7ecd<\/h3>\n
1\u3001final\uff1a\u6700\u540e\u3001\u6700\u7ec8\u7684\u610f\u601d<\/p>\n
2\u3001final\uff1a\u53ef\u4fee\u9970\u7c7b\u3001\u5c5e\u6027\u3001\u65b9\u6cd5\u548c\u5c40\u90e8\u53d8\u91cf\u3002\u8ba9\u5217\u3001\u5c5e\u6027\u3001\u65b9\u6cd5\u3001\u5c40\u90e8\u53d8\u91cf\u4e0d\u80fd\u88ab\u4fee\u6539<\/p>\n
1\u3001\u6ce8\u610f\u4e8b\u9879\u4ee5\u53ca\u7ec6\u8282<\/h4>\n
1\u3001final\u4fee\u9970\u7684\u53eb\u5e38\u91cf\uff1a\u901a\u5e38\u7528XXX_XXX\u6765\u547d\u540d<\/p>\n
2\u3001final\u4fee\u9970\u7684\u5c5e\u6027\u5728\u5b9a\u4e49\u65f6\u3002\u5fc5\u987b\u521d\u59cb\u5316\u503c\uff0c\u4ee5\u540e\u4e0d\u53ef\u4ee5\u4fee\u6539\u3002\u8d4b\u503c\u5982\u4e0b\uff1a<\/p>\n
\uff081\uff09\u5b9a\u4e49\u65f6\uff1afinal XXXX_XXX=0.08<\/p>\n
\uff082\uff09\u5b9a\u4e49\u65f6\uff1a\u5728\u6784\u9020\u5668\u4e2d\uff0c\u53ef\u4ee5\u8d4b\u503c\u3002<\/p>\n
\uff083\uff09\u5728\u4ee3\u7801\u5757\u4e2d<\/p>\n
3\u3001\u5982\u679cfinal\u4fee\u9970\u7684\u5c5e\u6027\u662f\u9759\u6001\u7684\uff0c\u5219\u521d\u59cb\u5316\u4f4d\u7f6e\u53ea\u80fd\u662f2\u4e2d\u7684\uff081\uff09\u3001\uff082\uff09\u3002\u4e0d\u80fd\u5728\u6784\u9020\u5668\u4e2d<\/strong>\u56e0\u4e3a\u6784\u9020\u5668\u5728\u521b\u5efa\u5bf9\u8c61\u624d\u80fd\u88ab\u8c03\u7528\u3002static\u662f\u8981\u5728\u7c7b\u521b\u5efa\u4e2d\u5c31\u9700\u8981<\/p>\n
4\u3001final\u53ef\u4ee5\u5b9e\u4f8b\u5316\u5bf9\u8c61\uff08\u521b\u5efa\u5bf9\u8c61\uff09\uff0c\u4e0d\u80fd\u7ee7\u627f<\/p>\n
5\u3001\u5982\u679c\u7c7b\u4e0d\u662ffinal\u7c7b\uff0c\u4f46\u662f\u542b\u6709final\u65b9\u6cd5\uff0c\u5219\u8be5\u65b9\u6cd5\u867d\u7136\u4e0d\u80fd\u91cd\u5199\uff0c\u4f46\u662f\u53ef\u4ee5\u88ab\u7ee7\u627f\uff08\u4e0d\u80fd\u91cd\u5199\uff0c\u4f46\u662f\u53ef\u4ee5\u5f15\u7528\uff09<\/p>\n
6\u3001\u5982\u679c\u4e00\u4e2a\u7c7b\u5df2\u7ecf\u662ffinal\u7c7b\u4e86\uff0c\u5c31\u6ca1\u5fc5\u8981\u5c06\u65b9\u6cd5\u4fee\u9970\u6210final\u65b9\u6cd5\u3002<\/p>\n
7\u3001final\u4e0d\u80fd\u4fee\u9970\u6784\u9020\u65b9\u6cd5\uff08\u6784\u9020\u5668\uff09<\/p>\n
8\u3001final \u548cstatic \u5f80\u5f80\u642d\u914d\u662f\u8981\u5f04\uff0c\u6548\u7387\u66f4\u9ad8\uff0c\u4e0d\u4f1a\u5bfc\u81f4\u7c7b\u52a0\u8f7d\u3002\u56e0\u4e3a\u4f4e\u5c42\u505a\u4e86\u4f18\u5316<\/p>\n
\uff081\uff09\u7406\u89e3\uff1a\u5728\u7c7b\u4e2d\u8bbe\u7f6e\u4e86\u4e00\u4e2a\u53d8\u91cf\uff0c\u60f3\u8c03\u7528\u8be5\u53d8\u91cf\uff0c\u53c8\u4e0d\u60f3\u8ba9\u8be5\u7c7b\u52a0\u8f7d<\/p>\n
\uff082\uff09eg\uff1a<\/p>\n
class  BBB  {\n\n    public  static  final  int  num  =1000\uff1b \n\n}\n\nmain(String [] args){\n\n    sout(BBB.num)  \/\/\u6b64\u65f6\u4e0d\u4f1a\u8c03\u7528\u5230BBB\u7c7b\n\n}<\/code><\/pre>\n
9\u3001\u5305\u88c5\u7c7b\u548cString\u7c7b\u4e5f\u662ffinal\u7c7b\uff0c\u4e0d\u80fd\u88ab\u7ee7\u627f<\/p>\n
6\u3001\u62bd\u8c61\u7c7b<\/h2>\n
6.1\u3001\u57fa\u672c\u4ecb\u7ecd<\/h3>\n
1\u3001\u4f5c\u7528\uff1a\u7236\u7c7b\u67d0\u4e9b\u65b9\u6cd5\u9700\u8981\u58f0\u660e\uff0c\u53c8\u4e0d\u77e5\u9053\u5982\u4f55\u5b9e\u73b0\uff0c\u53ef\u4ee5\u5c06\u5176\u58f0\u660e\u4e3a\u62bd\u8c61\u65b9\u6cd5\uff0c\u8fd9\u4e2a\u7c7b\u5c31\u662f\u62bd\u8c61\u7c7b<\/p>\n
2\u3001abstract\uff1a\u62bd\u8c61<\/p>\n
3\u3001\u4f7f\u7528abstract\u5173\u952e\u5b57\u6765\u4fee\u9970\u4e00\u4e2a\u7c7b\u65f6\uff0c\u8fd9\u4e2a\u7c7b\u5c31\u662f \u62bd\u8c61\u7c7b\uff0c\u8bbf\u95ee\u4fee\u9970\u7b26abstract\u7c7b\u540d{}<\/p>\n
4\u3001\u4f7f\u7528abstract\u5173\u952e\u5b57\u4fee\u9970\u7684\u65b9\u6cd5\u662f\u62bd\u8c61\u65b9\u6cd5\uff0c\u62bd\u8c61\u65b9\u6cd5\u6ca1\u6709\u5b9e\u4f53\uff08{}\uff09<\/p>\n
5\u3001\u62bd\u8c61\u7c7b\u7684\u4ef7\u503c\u66f4\u591a\u7684\u4f5c\u7528\u4e8e\u8bbe\u8ba1\uff0c\u8bbe\u8ba1\u597d\u540e\uff0c\u8ba9\u5b50\u7c7b\u7ee7\u627f\u5e76\u5b9e\u73b0\u62bd\u8c61\u7c7b<\/p>\n
6\u3001\u6846\u67b6\u548c\u8bbe\u8ba1\u6a21\u5f0f\u4f7f\u7528\u8f83\u591a<\/p>\n
6.2\u3001\u6ce8\u610f\u4e8b\u9879\u4ee5\u53ca\u7ec6\u8282<\/h3>\n
1\u3001\u62bd\u8c61\u7c7b\u4e0d\u80fd\u5b9e\u4f8b\u5316\uff08\u4e0d\u80fd\u521b\u5efa\u5bf9\u8c61\uff09 <\/p>\n
2\u3001\u62bd\u8c61\u7c7b\u4e0d\u4e00\u5b9a\u8981\u62e5\u6709\u62bd\u8c61\u65b9\u6cd5\uff08\u62bd\u8c61\u7c7b\u53ef\u4ee5\u6ca1\u6709\u62bd\u8c61\u65b9\u6cd5\uff09\u3002\u4e5f\u53ef\u4ee5\u62e5\u6709\u5b9e\u73b0\u65b9\u6cd5<\/p>\n
3\u3001\u6709\u62bd\u8c61\u65b9\u6cd5\uff0c\u4e00\u5b9a\u662f\u4e00\u4e2a\u62bd\u8c61\u7c7b\u3002\u6709\u62bd\u8c61\u7c7b\u4e0d\u4e00\u5b9a\u6709\u62bd\u8c61\u65b9\u6cd5<\/p>\n
4\u3001abstract\u53ea\u80fd\u4fee\u9970\u65b9\u6cd5\u548c\u7c7b<\/strong><\/p>\n
5\u3001\u62bd\u8c61\u7c7b\u4e5f\u662f\u7c7b<\/strong>\uff0c\u53ef\u4ee5\u6709\u7528\u7c7b\u7684\u4efb\u610f\u6210\u5458<\/p>\n
6\u3001\u62bd\u8c61\u65b9\u6cd5\u4e0d\u80fd\u6709\u5b9e\u4f53\uff08{}\uff09<\/strong><\/p>\n
7\u3001\u5982\u679c\u4e00\u4e2a\u7c7b\u7ee7\u627f\u4e86\u62bd\u8c61\u7c7b\u3001\u5219\u8fd9\u4e2a\u7c7b\u5fc5\u987b\u5b9e\u73b0\u62bd\u8c61\u7c7b\u7684\u6240\u6709\u62bd\u8c61\u65b9\u6cd5<\/strong>\uff0c\u9664\u975e\u8fd9\u4e2a\u7c7b\u4e5f\u58f0\u660e\u6210\u62bd\u8c61\u7c7b\u3002<\/p>\n
8\u3001\u62bd\u8c61\u65b9\u6cd5\u4e0d\u80fd\u4f7f\u7528private\u3001final\u3001static\u6765\u4fee\u9970<\/p>\n
\u56e0\u4e3a\u8fd9\u4e09\u4e2a\u5173\u952e\u5b57\u90fd\u548c\u91cd\u5199\u76f8\u8fdd\u80cc\u3002\uff08\u62bd\u8c61\u4e3b\u8981\u4e5f\u662f\u4e3a\u4e86\u8ba9\u5b50\u7c7b\u91cd\u5199\uff09 <\/p>\n
6.3\u3001\u62bd\u8c61\u7c7b---\u6a21\u677f\u8bbe\u8ba1\u6a21\u5f0f<\/h3>\n
1\u3001\u6982\u5ff5\uff1a\u5b9a\u4e49\u4e00\u4e2a\u64cd\u4f5c\u4e2d\u7684\u7b97\u6cd5\u7684\u6846\u67b6\uff0c \u800c\u5c06\u4e00\u4e9b\u6b65\u9aa4\u5ef6\u8fdf\u5230\u5b50\u7c7b\u4e2d\u3002 \u4f7f\u5f97\u5b50\u7c7b\u53ef\u4ee5\u4e0d\u6539<\/p>\n
2\u3001\u7406\u89e3\uff1a\u7236\u7c7b\u6a21\u677f\u65b9\u6cd5\u5b9a\u4e49\u4e0d\u53d8\u7684\u6d41\u7a0b\uff0c\u5b50\u7c7b\u91cd\u5199\u6d41\u7a0b\u4e2d\u7684\u65b9\u6cd5<\/p>\n
3\u3001\u6b65\u9aa4<\/p>\n
\uff081\uff09\u5236\u4f5c\u4e00\u4e2a\u7236\u7c7b\u7684\u65b9\u6cd5\u6d41\u7a0b\uff0c\u5e76\u8bbe\u7f6e\u4e00\u4e2aabstract\u65b9\u6cd5<\/p>\n
\uff082\uff09\u5b50\u7c7b\u53bb\u5b9e\u73b0\uff08\u91cd\u5199\uff09abstract\u65b9\u6cd5<\/p>\n
\uff083\uff09eg\uff1a<\/p>\n
class Animal{\n\n        sout\uff08\u201d\u52a8\u7269\u7684\u5bb6\u201c);\n\n        home();\n\n        public abstract void home();\/\/\u5b50\u7c7b\u7ee7\u627f\u7236\u7c7b\u9700\u8981\u91cd\u5199\u7684\u65b9\u6cd5\n\n}\n\nclasss Cat extends Animal{\n\n    \/\/\u5b50\u7c7b\u53ea\u9700\u8981\u91cd\u5199home\uff08\uff09\u65b9\u6cd5\n\n        public void home(){\n\n                sout("\u623f\u5b50\u662f\u6c34\u6ce5\u505a\u7684");\n\n        }\n\n}<\/code><\/pre>\n
7\u3001\u63a5\u53e3<\/h2>\n
7.1\u3001\u57fa\u672c\u4ecb\u7ecd<\/h3>\n
1\u3001\u4ecb\u7ecd\uff1a\u7ed9\u51fa\u4e00\u4e9b\u6ca1\u6709\u5b9e\u73b0\u7684\u65b9\u6cd5\uff0c\u5c01\u88c5\u5728\u4e00\u8d77\uff0c\u5230\u67d0\u4e2a\u7c7b\u8981\u4f7f\u7528\u7684\u65f6\u5019\uff0c\u6839\u636e\u5177\u4f53\u72b6\u51b5\u5199\u51fa\u6765<\/p>\n
2\u3001\u8bed\u6cd5\uff1a<\/p>\n
\uff081\uff09interface \u63a5\u53e3\u540d{\n\n    \/\/\u5c5e\u6027\n\n    \/\/\u65b9\u6cd5(\u62bd\u8c61\u65b9\u6cd5\u3001\u9759\u6001\u65b9\u6cd5\u3001\u9ed8\u8ba4\u5b9e\u73b0\u65b9\u6cd5)\n\n}\n\n\uff082\uff09class \u7c7b\u540d implements \u63a5\u53e3{\n\n        \u81ea\u5df1\u5c5e\u6027\u3001\u65b9\u6cd5\n\n        \u5fc5\u987b\u5b9e\u73b0\u7684\u63a5\u53e3\u7684\u62bd\u8c61\u65b9\u6cd5\n\n}<\/code><\/pre>\n
7.2\u3001\u4f7f\u7528\u6ce8\u610f\u53ca\u7ec6\u8282<\/h3>\n
1\u3001\u63a5\u53e3\u4e0d\u80fd\u88ab\u5b9e\u4f8b\u5316\uff08\u4e0d\u80fd\u521b\u5efa\u5bf9\u8c61\uff09<\/p>\n
2\u3001\u63a5\u53e3\u4e2d\u6240\u6709\u65b9\u6cd5\u662fpublic \u65b9\u6cd5\uff0c\u63a5\u53e3\u4e2d\u62bd\u8c61\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4e0d\u7528abstract\u4fee\u9970\uff08\u56e0\u4e3a\u4f1a\u9ed8\u8ba4\u6dfb\u52a0public\u3001abstract\u5173\u952e\u5b57\uff09<\/p>\n
3\u3001\u4e00\u4e2a\u666e\u901a\u7c7b\u5b9e\u73b0\u63a5\u53e3\uff0c\u5fc5\u987b\u5b9e\u73b0\u63a5\u53e3\u4e2d\u7684\u6240\u6709\u65b9\u6cd5\uff0c\uff08\u53ef\u4ee5\u7528alt+enter\u5feb\u6377\u952e\uff09<\/p>\n
4\u3001\u62bd\u8c61\u7c7b\u53bb\u5b9e\u73b0\u63a5\u53e3\uff0c\u53ef\u4ee5\u4e0d\u5b9e\u73b0\u63a5\u53e3\u7684\u62bd\u8c61\u65b9\u6cd5<\/p>\n
5\u3001\u4e00\u4e2a\u7c7b\u540c\u65f6\u5b9e\u73b0\u591a\u4e2a\u63a5\u53e3\uff08\u4e00\u53f0\u7535\u8111\u4e5f\u6709\u597d\u51e0\u4e2ausb\u63a5\u53e3\uff09<\/p>\n
6\u3001\u63a5\u53e3\u4e2d\u6240\u6709\u5c5e\u6027\u53ea\u80fd\u662ffinal<\/p>\n
\u800c\u4e14\u662f public  static  final  \u4fee\u9970\u7b26<\/p>\n
7\u3001\u63a5\u53e3\u4e0d\u80fd\u7ee7\u627f\u7c7b\uff0c\u4f46\u63a5\u53e3\u53ef\u4ee5\u7ee7\u627f\u591a\u4e2a\u63a5\u53e3<\/p>\n
8\u3001\u63a5\u53e3\u7684\u4fee\u9970\u7b26\u53ea\u80fd\u662fpublic\u548c\u9ed8\u8ba4<\/p>\n
7.3\u3001\u63a5\u53e3VS\u7ee7\u627f<\/h3>\n
1\u3001\u7406\u89e3\uff1a\u63a5\u53e3\u662f\u6280\u80fd\u82af\u7247\uff0c\u7ee7\u627f\u662f\u62e5\u6709\u7236\u7c7b\u7684\u6210\u5458\uff0c\u901a\u8fc7\u6280\u80fd\u82af\u7247\u5c31\u53ef\u4ee5\u5b66\u4f1a\u66f4\u591a\u7684\u4e1c\u897f\u3002\u7ee7\u627f\u662f\u7236\u4eb2\uff0c\u63a5\u53e3\u662f\u5e08\u5085\u3002<\/p>\n
2\u3001\u5c0f\u7ed3<\/strong>\uff1a<\/p>\n
\uff081\uff09\u5f53\u5b50\u7c7b\u7ee7\u627f\u4e86\u7236\u7c7b\uff0c\u5c31\u81ea\u52a8\u7684\u62e5\u6709\u7236\u7c7b\u7684\u529f\u80fd<\/p>\n
\uff082\uff09\u5982\u679c\u5b50\u7c7b\u9700\u8981\u6269\u5c55\u529f\u80fd\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9e\u73b0\u63a5\u53e3\u7684\u65b9\u5f0f\u6269\u5c55<\/p>\n
\uff083\uff09\u5bf9\u5355\u7ee7\u627f\u673a\u5236\u7684\u8865\u5145\uff0c\u7ee7\u627f\u7684\u6269\u5c55<\/p>\n
3\u3001\u63a5\u53e3\u548c\u7ee7\u627f\u89e3\u51b3\u7684\u95ee\u9898\u4e0d\u540c<\/p>\n
\uff081\uff09\u7ee7\u627f\u7684\u4ef7\u503c\u4e3b\u8981\u5728\u4e8e\uff1a\u89e3\u51b3\u4ee3\u7801\u7684\u590d\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027<\/strong><\/p>\n
\uff082\uff09\u63a5\u53e3\u7684\u4ef7\u503c\u4e3b\u8981\u5728\u4e8e\uff1a\u8bbe\u8ba1\uff0c\u548c\u89c4\u8303<\/p>\n
4\u3001\u63a5\u53e3\u6bd4\u7ee7\u627f\u7075\u6d3b<\/p>\n
\uff081\uff09\u7ee7\u627f\u662f\u6ee1\u8db3\uff1ais--a\u7684\u5173\u7cfb\u3002\uff08\u732b\u662f\u52a8\u7269\uff09<\/p>\n
\uff082\uff09\u63a5\u53e3\u662f\u6ee1\u8db3\uff1alike--a\u7684\u5173\u7cfb\u3002\uff08\u732b\u50cf\u9e1f\u4e00\u6837\u98de\uff09\u3002<\/p>\n
5\u3001\u63a5\u53e3\u62e5\u6709\u4e00\u5b9a\u7684\u89e3\u8026\u6027<\/p>\n
7.4\u3001\u63a5\u53e3\u591a\u6001\u6027<\/h3>\n
1\u3001\u591a\u6001\u53c2\u6570\u3002\u63a5\u53e3\u5f15\u7528\u53ef\u4ee5\u6307\u5411\u5b9e\u73b0\u4e86\u63a5\u53e3\u7684\u7c7b\u7684\u5bf9\u8c61\uff08\u5c31\u7c7b\u4f3c\u4e8e\u7ee7\u627f\uff09<\/p>\n
\uff081\uff09\u7406\u89e3\uff1a<\/p>\n
interfacePL{\n\n    public void hello();\n\n}\n\nclass AA implement PL{\n\n    public void hello(){\n\n            sout("\u4f60\u597d\u554a");\/\/\u91cd\u5199\u63a5\u53e3\u4e2d\u7684\u65b9\u6cd5    \n\n    }\n\n}\n\nclass  test{\n\n    main\uff08String[] args\uff09{\n\n        PL  imp  = new  AA\uff08\uff09;\n\n    }\n\n}<\/code><\/pre>\n
2\u3001\u591a\u6001\u6570\u7ec4<\/p>\n
Usb[]  usbs = new Usb[2];<\/p>\n
usbs[0]  =  new  Phone();<\/p>\n
interface Usb{}<\/p>\n
class Phone implements  Usb{}<\/p>\n
3\u3001\u63a5\u53e3\u5b58\u5728\u591a\u6001\u4f20\u9012\u73b0\u8c61<\/p>\n
1\uff09\u53ef\u4ee5\u7406\u89e3\u4e3aC\u7ee7\u627fB\uff0cB\u7ee7\u627fA\uff0c\u6240\u6709C\u7ee7\u627fA <\/p>\n
\"\"<\/div><\/p>\n
8\u3001\u5185\u90e8\u7c7b<\/h2>\n
8.1\u57fa\u672c\u4ecb\u7ecd<\/h3>\n
1\u3001\u4e00\u4e2a\u7c7b\u7684\u5185\u90e8\u53c8\u5b8c\u6574\u5d4c\u5957\u4e86\u53e6\u4e00\u7c7b\u7ed3\u6784\u3002\u88ab\u5d4c\u5957\u7684\u7c7b\u53eb\u5185\u90e8\u7c7b\uff08inner class\uff09\u5d4c\u5957\u5176\u4ed6\u7c7b\u7684\u7c7b\u79f0\u4e3a\u5916\u90e8\u7c7b\u3002<\/p>\n
2\u3001\u5185\u90e8\u7c7b\u6700\u5927\u7684\u7279\u70b9\u5c31\u662f\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u79c1\u6709\u5c5e\u6027<\/strong>\uff0c\u5e76\u4e14\u53ef\u4ee5\u4f53\u73b0\u7c7b\u4e0e\u7c7b\u4e4b\u95f4\u7684\u5305\u542b\u5173\u7cfb<\/p>\n
8.2\u3001\u57fa\u672c\u8bed\u6cd5<\/h3>\n
class  Outer{    \/\/\u5916\u90e8\u7c7b\n\n        class lnner{        \/\/\u5185\u90e8\u7c7b\n\n        }\n\n}\n\nclass  Other{        \/\/\u5916\u90e8\u5176\u4ed6\u7c7b\uff0c\u5b83\u548cOuter\u662f\u5e73\u7ea7\u5173\u7cfb\n\n}<\/code><\/pre>\n
8.3\u3001\u5185\u90e8\u7c7b\u7684\u5206\u7c7b<\/h3>\n
1\u3001\u5b9a\u4e49\u5728\u5916\u90e8\u7c7b\u5c40\u90e8\u4f4d\u7f6e\u4e0a\uff08\u6bd4\u5982\uff0c\u5916\u90e8\u7c7b\u4e2d\u7684\u65b9\u6cd5\u4e0a\uff09<\/p>\n
\uff081\uff09\u5c40\u90e8\u5185\u90e8\u7c7b\uff08\u6709\u7c7b\u540d\uff09<\/p>\n
\uff082\uff09\u533f\u540d\u5185\u90e8\u7c7b\uff08\u6ca1\u6709\u7c7b\u540d\uff09<\/strong>\u2757\u2757\u2757\u2757\u2757\u2757<\/p>\n
2\u3001\u5b9a\u4e49\u5728\u5916\u90e8\u7c7b\u7684\u6210\u5458\uff08\u5c5e\u6027\u3001\u65b9\u6cd5\uff09\u4f4d\u7f6e\u4e0a<\/p>\n
\uff081\uff09\u6210\u5458\u5185\u90e8\u7c7b\uff08\u6ca1\u6709static\u4fee\u9970\uff09<\/p>\n
\uff082\uff09\u9759\u6001\u5185\u90e8\u7c7b\uff08\u4f7f\u7528static\u4fee\u9970\uff09<\/p>\n
8.4\u3001\u5c40\u90e8\u5185\u90e8\u7c7b\u7684\u4f7f\u7528\uff08\u53ef\u4ee5\u7406\u89e3\u4e3a\u5c40\u90e8\u53d8\u91cf\uff09<\/h3>\n
1\u3001\u5b9a\u4e49\u5728\u5916\u90e8\u7c7b\u5c40\u90e8\u4f4d\u7f6e\u4e0a\uff08\u6bd4\u5982\uff0c\u5916\u90e8\u7c7b\u4e2d\u7684\u65b9\u6cd5\u4e0a\uff09\uff0c\u7edd\u5927\u591a\u6570\u5728\u65b9\u6cd5\u4e0a\u3002<\/strong><\/p>\n
2\u3001\u5c40\u90e8\u5185\u90e8\u7c7b\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u5916\u90e8\u7c7b\u7684\u6240\u6709\u6210\u5458\uff0c\u5305\u542b\u79c1\u6709\u7684<\/p>\n
3\u3001\u4e0d\u80fd\u6dfb\u52a0\u8bbf\u95ee\u4fee\u9970\u7b26\uff0c\u5b83\u7684\u5730\u4f4d\u5c31\u662f\u4e00\u4e2a\u5c40\u90e8\u53d8\u91cf\uff0c\u5c40\u90e8\u53d8\u91cf\u4e0d\u80fd\u518d\u4f7f\u7528\u4fee\u9970\u7b26\u3002\u4f46\u662f\uff01\u53ef\u4ee5\u7528final\uff0c\u56e0\u4e3a\u5c40\u90e8\u53d8\u91cf\u4e5f\u53ef\u4ee5\u7528final\u4fee\u9970\u3002<\/p>\n
4\u3001\u4f5c\u7528\u57df\uff1a\u4ec5\u4ec5\u5b9a\u4e49\u4e2a\u5b83\u7684\u65b9\u6cd5\u6216\u4ee3\u7801\u5757\u4e2d<\/strong><\/p>\n
5\u3001\u5c40\u90e8\u5185\u90e8\u7c7b\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u5916\u90e8\u7c7b\u7684\u6210\u5458 <\/p>\n
6\u3001\u5916\u90e8\u7c7b\u5728\u5916\u90e8\u65b9\u6cd5\u4e2d\uff0c\u53ef\u4ee5\u521b\u5efa\u5185\u90e8\u7c7b\u5bf9\u8c61\uff0c\u7136\u540e\u5462\u5185\u90e8\u7c7b\u5bf9\u8c61.\u5185\u90e8\u65b9\u6cd5\u5373\u53ef\u3002<\/p>\n
7\u3001\u672c\u8d28\u8fd8\u662f\u4e00\u4e2a\u7c7b<\/p>\n
8\u3001\u5916\u90e8\u5176\u4ed6\u7c7b\uff0c\u4e0d\u80fd\u8bbf\u95ee\uff0c\u5c40\u90e8\u5185\u90e8\u7c7b\uff08\u56e0\u4e3a\u5c40\u90e8\u5185\u90e8\u7c7b\u662f\u4e00\u4e2a\u5c40\u90e8\u53d8\u91cf\uff09<\/p>\n
9\u3001\u5982\u679c\u5916\u90e8\u7c7b\u548c\u5c40\u90e8\u5185\u90e8\u7c7b\u6210\u5458\u91cd\u540d\uff0c\u9075\u5b88\u5c31\u8fd1\u539f\u5219<\/p>\n
\uff08\u5148\u8c03\u7528\u5185\u90e8\u7c7b\u4e2d\u7684\u6210\u5458\uff09\u3002\u5982\u679c\u8981\u8bbf\u95ee\u5916\u90e8\u7c7b\u4e2d\u7684\u6210\u5458\uff0c\u4f7f\u7528\u5916\u90e8\u7c7b\u540d.this.\u6210\u5458<\/p>\n
\u89e3\u91ca(\u5916\u90e8\u7c7b\u540d.this\u672c\u8d28\u662f\u5916\u90e8\u7c7b\u7684\u5bf9\u8c61\uff0c\u5373\u54ea\u4e2a\u8c03\u7528\u4e86\u88c5\u6709\u5185\u90e8\u7c7b\u7684\u65b9\u6cd5\uff0c\u5916\u90e8\u7c7b.this\u5c31\u662f\u54ea\u4e2a\u7684\u5bf9\u8c61)<\/p>\n
8.5\u3001\u533f\u540d\u5185\u90e8\u7c7b<\/h3>\n
1\u3001\u7406\u89e3<\/p>\n
\uff081\uff09\u672c\u8d28\u662f\u7c7b<\/p>\n
\uff082\uff09\u8be5\u7c7b\u6ca1\u6709\u540d\u5b57<\/p>\n
\uff083\uff09\u5185\u90e8\u7c7b<\/p>\n
\uff084\uff09\u540c\u65f6\u8fd8\u662f\u4e00\u4e2a\u5bf9\u8c61<\/p>\n
\uff085\uff09\u5b9a\u4e49\u5728\u5916\u90e8\u7c7b\u5c40\u90e8\u4f4d\u7f6e\u4e0a\uff08\u6bd4\u5982\uff0c\u5916\u90e8\u7c7b\u4e2d\u7684\u65b9\u6cd5\u4e0a\uff09\uff0c\u7edd\u5927\u591a\u6570\u5728\u65b9\u6cd5\u4e0a\u3002\u6ca1\u6709\u7c7b\u540d<\/p>\n
2\u3001\u57fa\u672c\u8bed\u6cd5<\/p>\n
new  \u7c7b\u6216\u63a5\u53e3\uff08\u53c2\u6570\u5217\u8868\uff09{<\/p>\n
\u200b        \u7c7b\u4f53<\/p>\n
}<\/p>\n
3\u3001\u4f5c\u7528<\/p>\n
\uff081\uff09\u7b80\u5316  \u5f00\u53d1\u6240\u9700\u8981\u521b\u5efa\u7c7b\uff08\u533f\u540d\u53ea\u80fd \u7528\u4e00\u6b21\uff09   \u7b80\u5316\u5f00\u53d1<\/p>\n
4\u3001\u672c\u8d28\uff1a\u4e3a\u4e86\u7b80\u5316\u5f00\u53d1<\/p>\n
\uff081\uff09\u533f\u540d\u5185\u90e8\u7c7b\u53ea\u6709\u4e00\u6b21\uff0c\u4f46\u662f\u5bf9\u8c61\u8d4b\u503c\u53ef\u4ee5\u5f88\u591a\u6b21<\/p>\n
8.6\u3001\u533f\u540d\u5185\u90e8\u7c7b\u7684\u4f7f\u7528\u7ec6\u8282<\/h3>\n
\"\"<\/div><\/p>\n
2\u3001\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u5916\u90e8\u7c7b\u7684\u6240\u6709\u6210\u5458\uff0c\u5305\u542b\u79c1\u6709\u7684<\/p>\n
3\u3001\u4f5c\u7528\u57df\uff1a\u65b9\u6cd5\u3001\u4ee3\u7801\u5757<\/p>\n
4\u3001\u4e0d\u80fd\u6dfb\u52a0\u4fee\u9970\u7b26\uff0c\u662f\u4e00\u4e2a\u5c40\u90e8\u53d8\u91cf\uff0cfinal\u53ef\u4ee5<\/p>\n
5\u3001\u5916\u90e8\u5176\u4ed6\u7c7b\uff0c\u4e0d\u80fd\u8bbf\u95ee\uff0c\u533f\u540d\u5185\u90e8\u7c7b<\/strong><\/p>\n
6\u3001\u5982\u679c\u5916\u90e8\u7c7b\u548c\u5c40\u90e8\u5185\u90e8\u7c7b\u6210\u5458\u91cd\u540d\uff0c\u9075\u5b88\u5c31\u8fd1\u539f\u5219<\/p>\n
\uff08\u5148\u8c03\u7528\u5185\u90e8\u7c7b\u4e2d\u7684\u6210\u5458\uff09\u3002\u5982\u679c\u8981\u8bbf\u95ee\u5916\u90e8\u7c7b\u4e2d\u7684\u6210\u5458\uff0c\u4f7f\u7528\u5916\u90e8\u7c7b\u540d.this.\u6210\u5458<\/p>\n
\u89e3\u91ca(\u5916\u90e8\u7c7b\u540d.this\u672c\u8d28\u662f\u5916\u90e8\u7c7b\u7684\u5bf9\u8c61\uff0c\u5373\u54ea\u4e2a\u8c03\u7528\u4e86\u88c5\u6709\u5185\u90e8\u7c7b\u7684\u65b9\u6cd5\uff0c\u5916\u90e8\u7c7b.this\u5c31\u662f\u54ea\u4e2a\u7684\u5bf9\u8c61)<\/p>\n
8.8\u3001\u6210\u5458\u5185\u90e8\u7c7b<\/h3>\n
1\u3001\u8bf4\u660e\uff1a\u5b9a\u4e49\u5728\u5916\u90e8\u7c7b\u7684\u6210\u5458\u4f4d\u7f6e\uff0c\u5e76\u6ca1\u6709static\u4fee\u9970\u3002<\/p>\n
2\u3001\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u5916\u90e8\u7c7b\u7684\u6240\u6709\u6210\u5458\uff0c\u5305\u542b\u79c1\u6709\u7684<\/p>\n
3\u3001\u53ef\u4ee5\u6dfb\u52a0\u4efb\u610f\u8bbf\u95ee\u4fee\u9970\u7b26\uff08\u56db\u79cd\uff09\uff0c\u56e0\u4e3a\u5b83\u7684\u5730\u4f4d\u662f\u4e00\u4e2a\u6210\u5458 <\/p>\n
4\u3001\u4f5c\u7528\u57df :\u5916\u90e8\u7c7b\u6574\u4e2a\u7c7b\u4f53<\/p>\n
5\u3001\u6210\u5458\u5185\u90e8\u7c7b\uff0c\u8bbf\u95ee\uff0c\u5916\u90e8\u7c7b\u6210\u5458\uff08\u5c5e\u6027\u3001\u65b9\u6cd5\uff09\u3002\u76f4\u63a5\u8bbf\u95ee<\/p>\n
6\u3001\u5916\u90e8\u7c7b\uff0c\u8bbf\u95ee\uff0c\u5185\u90e8\u7c7b\u3002\u65b9\u6cd5\uff1a\u521b\u5efa\u5bf9\u8c61\uff0c\u518d\u8bbf\u95ee<\/p>\n
7\u3001\u5916\u90e8\u5176\u4ed6\u7c7b\uff0c\u8bbf\u95ee\uff0c\u6210\u5458\u5185\u90e8\u7c7b<\/p>\n
\uff081\uff09<\/p>\n
package classTest;\n\npublic class MemberInnerClass01 {\n  public static void main(String[] args) {\n    Outer04 outer04 = new Outer04();\n    outer04.say();\n    outer04.tt();\n    \/\/\u5916\u90e8\u5176\u4ed6\u7c7b\uff0c\u4f7f\u7528\u6210\u5458\u5185\u90e8\u7c7b\u7684\u4e24\u79cd\u65b9\u5f0f\n    Outer04.Inner inner = outer04.new Inner();\n    inner.eat();\n    \/\/\u65b9\u5f0f\u4e8c\u3001\u5728\u5916\u90e8\u7c7b\u4e2d\u7f16\u5199\u4e00\u4e2a\u65b9\u6cd5\u8fd4\u56de\u4f5c\u4e3a\u4f20\u9012\n    Outer04.Inner inner1 = outer04.getInner();\n    inner1.eat();\n  }\n}\nclass Outer04{\n  private int n1 =100;\n  public String name ="\u6c49\u5821";\n\n  public Inner getInner(){\n    return new Inner();\n  }\n\n  public void say(){\n    System.out.println("n1="+n1+"name"+name);\n  }\n   class Inner{\n     int sss =10;\n    public void eat(){\n      System.out.println("\u5403\u5565\u554a\u4f60");\n    }\n  }\n  public void tt(){\n    Inner inner = new Inner();\n    inner.eat();\n    System.out.println(inner.sss);\n\n  }\n\n}<\/code><\/pre>\n
8.9\u3001\u9759\u6001\u5185\u90e8\u7c7b<\/h3>\n
1\u3001\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u5916\u90e8\u7c7b\u7684\u6240\u6709\u9759\u6001\u6210\u5458\uff0c\u5305\u542b\u79c1\u6709\u7684\uff0c\u4f46\u662f\u4e0d\u80fd\u76f4\u63a5\u8bbf\u95ee\u975e\u9759\u6001\u6210\u5458<\/p>\n
2\u3001\u53ef\u4ee5\u6dfb\u52a0\u5bb9\u6613\u7684\u8bbf\u95ee\u4fee\u9970\u7b26<\/p>\n
3\u3001\u4f5c\u7528\u57df\uff1a\u540c\u5176\u4ed6\u7684\u6210\u5458\uff0c\u4e3a\u6574\u4e2a\u7c7b\u4f53<\/p>\n
4\u3001\u5916\u90e8\u7c7b\uff0c\u8bbf\u95ee\uff0c\u9759\u6001\u5185\u90e8\u7c7b\u3002\u65b9\u6cd5\uff1a\u521b\u5efa\u5bf9\u8c61\uff0c\u8bbf\u95ee <\/p>\n
5\u3001 \u5916\u90e8\u5176\u4ed6\u7c7b\uff0c\u8bbf\u95ee\uff0c\u9759\u6001\u5185\u90e8\u7c7b<\/p>\n
\uff081\uff09\u65b9\u6cd5\u4e00\uff1a\u901a\u8fc7\u4e00\u4e2a\u65b9\u6cd5\u6765\u83b7\u53d6\u4e00\u4e2a\u9759\u6001\u5185\u90e8\u7c7b\u7684\u5bf9\u8c61\u5b9e\u4f8b\uff0c<\/p>\n
Inner  inner   =  Outer02.getInner02\uff08\uff09; <\/p>\n
6\u3001\u5982\u679c\u5916\u90e8\u7c7b\u548c\u9759\u6001\u5185\u90e8\u7c7b\u6210\u5458\u91cd\u540d\uff0c\u9075\u5b88\u5c31\u8fd1\u539f\u5219<\/p>\n
\uff08\u5148\u8c03\u7528\u5185\u90e8\u7c7b\u4e2d\u7684\u6210\u5458\uff09\u3002\u5982\u679c\u8981\u8bbf\u95ee\u5916\u90e8\u7c7b\u4e2d\u7684\u6210\u5458\uff0c\u4f7f\u7528\u5916\u90e8\u7c7b\u540d.\u6210\u5458<\/p>\n
9\u3001\u679a\u4e3e\u7c7b<\/h2>\n
\u4e00\u4e2a\u4e2a\u4e3e\u4f8b\u51fa\u6765<\/p>\n
9.1\u679a\u4e3e\u7684\u4e24\u79cd\u5b9e\u73b0\u5f62\u5f0f<\/h3>\n
1\u3001\u81ea\u5b9a\u4e49\u679a\u4e3e<\/h4>\n
\uff081\uff09\u6784\u9020\u5668\u79c1\u6709\u5316<\/p>\n
\uff082\uff09\u672c\u7c7b\u5185\u90e8\u521b\u5efa\u4e00\u7ec4\u5bf9\u8c61<\/p>\n
\uff083\uff09\u5bf9\u5916\u66b4\u9732\u5bf9\u8c61\uff08\u901a\u8fc7\u4e3a\u5bf9\u8c61\u6dfb\u52a0public  final  static  \u4fee\u9970\u7b26\uff09\/\/\u81ea\u52a8\u4f1a\u6dfb\u52a0<\/p>\n
\uff084\uff09\u53ef\u4ee5\u4f53\u7528get\u65b9\u6cd5\u3001\u4e0d\u8981\u63d0\u4f9bset\u65b9\u6cd5<\/p>\n
2\u3001Enum\u5173\u952e\u5b57\u5b9e\u73b0\u679a\u4e3e<\/h4>\n
\uff081\uff09\u4f7f\u7528\u5173\u952e\u5b57enum\u6765\u66ff\u4ee3class<\/p>\n
\uff082\uff09public  staticfinal  Season  SPRING =  new  Season\uff08\u201c\u6625\u5929\u201d\uff0c\u201c\u6e29\u6696\uff09  \u76f4\u63a5\u4f7f\u7528SPRING \uff08\u201d\u6625\u5929\u201c\uff0c\u201d\u6e29\u6696\u201c\uff09\u66ff\u4ee3\u3002 \u89e3\u8bfb\uff1a\u5e38\u91cf\u540d\uff08\u5b9e\u53c2\u5217\u8868\uff09<\/strong><\/p>\n
\uff083\uff09\u5982\u679c\u6709\u591a\u4e2a\u5e38\u91cf\uff08\u5bf9\u8c61\uff09\uff0c\u4f7f\u7528"\uff0c"\u95f4\u9694<\/p>\n
\uff084\uff09\u5982\u679c\u4f7f\u7528enum\uff0c\u8981\u6c42\u5c06\u5b9a\u4e49\u5e38\u91cf\u5bf9\u8c61\uff0c\u5199\u5728\u524d\u9762\u3002<\/p>\n
9.2\u3001enum\u5173\u952e\u5b57\u5b9e\u73b0\u679a\u4e3e\u7684\u6ce8\u610f\u4e8b\u9879<\/h3>\n
1\u3001\u4f7f\u7528enum\u7c7b\uff0c\u4f1a\u9ed8\u8ba4\u7ee7\u627fEnum\u7c7b<\/p>\n
\u8865\u5145\uff1ajavap\uff1a\u53cd\u7f16\u8bd1<\/p>\n
2\u3001\u521b\u5efa\u5e38\u91cf\u5bf9\u8c61\u65f6\uff0c\u4e00\u5b9a\u8981\u77e5\u9053\u4f7f\u7528\u7684\u662f\u54ea\u4e2a\u6784\u9020\u5668<\/p>\n
3\u3001\u521b\u5efa\u65e0\u53c2\u6784\u9020\u5668\u7684\u5bf9\u8c61\u65f6\uff1aMAP(); == MAP;<\/p>\n
4\u3001\u5bf9\u4e2a\u679a\u4e3e\u5bf9\u8c61\uff0c\u4f7f\u7528\u201c\uff0c\u201d\u9694\u5f00\uff0c\u6700\u540e\u4e00\u4e2a\u5206\u53f7\u7ed3\u5c3e;<\/p>\n
5\u3001\u679a\u4e3e\u5bf9\u8c61\u5fc5\u987b\u653e\u679a\u4e3e\u7c7b\u7684\u9996\u884c<\/strong><\/p>\n
9.3\u3001enum\u5e38\u7528\u65b9\u6cd5<\/h3>\n
1\u3001name\uff08\uff09\uff1a\u8f93\u51fa\u679a\u4e3e\u7c7b\u7684\u5bf9\u8c61\u540d<\/p>\n
2\u3001ordinal\uff08\uff09\uff1a\u8f93\u51fa\u8be5\u7c7b\u679a\u4e3e\u5bf9\u8c61\u7684\u6b21\u5e8f\u3001\u7f16\u53f7\uff08\u4ece0\u5f00\u59cb\uff09<\/p>\n
3\u3001 values\uff08\uff09\u65b9\u6cd5\uff1a\u8fd4\u56de\u6240\u6709\u5b9a\u4e49\u679a\u4e3e\u5bf9\u8c61\uff0c\u6570\u7ec4\u5f62\u5f0f[]\uff08\u53cd\u7f16\u8bd1\u53ef\u4ee5\u770b\u5230\uff0c\u5e73\u5e38\u662f\u88ab\u9690\u85cf\u4e86\uff09<\/p>\n
4\u3001valueOf\uff08\uff09\uff1a\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u6210\u679a\u4e3e\u5bf9\u8c61\uff0c\u8981\u6c42\u5b57\u7b26\u4e32\u5fc5\u987b\u4e3a\u5df2\u6709\u7684\u5e38\u91cf\u540d\uff0c\u5426\u5219\u62a5\u9519<\/p>\n
\uff081\uff09\u6267\u884c\u8fc7\u7a0b<\/p>\n
\u200b        \u2460\u8f93\u5165\u201cXXXX\u201d\uff0c\u53bb\u5339\u914d\u679a\u4e3e\u5bf9\u8c61\u3002<\/p>\n
\u200b        \u2461\u627e\u5230\uff0c\u8fd4\u56de\uff0c\u6ca1\u627e\u5230\uff0c\u62a5\u9519<\/p>\n
5\u3001compareTo()\uff1a\u6bd4\u8f83\u4e24\u4e2a\u679a\u4e3e\u5e38\u91cf\uff0c\u6bd4\u8f83\u662f\u4f4d\u7f6e\uff08\u6b21\u5e8f\u3001\u7f16\u53f7\uff09<\/p>\n
\"\"<\/div><\/p>\n
6\u3001toString\uff08\uff09\uff1a\u5c31\u8fd4\u56de\u679a\u4e3e\u5bf9\u8c61\u540d\u79f0\uff0c\u5982\u679c\u5b50\u7c7b\u91cd\u5199\u8be5\u65b9\u6cd5\uff0c\u8fd4\u56de\u5b50\u7c7b\u5bf9\u8c61\u5c5e\u6027<\/p>\n
9.4\u3001enum\u5b9e\u73b0\u63a5\u53e3<\/h3>\n
1\u3001\u4f7f\u7528enum\u5173\u952e\u5b57\u540e\uff0c\u5c31\u4e0d\u80fd\u518d\u7ee7\u627f\u5176\u4ed6\u7c7b\u4e86\uff0c\u56e0\u4e3aenum\u9690\u5f0f\u7ee7\u627fEnum\u3002<\/p>\n
2\u3001\u679a\u4e3e\u7c7b\u548c\u666e\u901a\u7c7b\u4e00\u6837\uff0c\u53ef\u4ee5\u4f7f\u7528\u63a5\u53e3<\/p>\n
10\u3001\u6ce8\u89e3<\/h2>\n
10.1\u3001\u6ce8\u89e3\u7684\u7406\u89e3<\/h3>\n
1\u3001\u79f0\u4e3a\uff1a\u5143\u6570\u636e\uff08Metdata\uff09\uff0c\u4fee\u9970\u5305\uff0c\u7c7b\uff0c\u65b9\u6cd5\uff0c\u5c5e\u6027\uff0c\u6784\u9020\u5668\uff0c\u5c40\u90e8\u53d8\u91cf<\/p>\n
2\u3001\u548c\u6ce8\u91ca\u4e00\u6837\uff0c\u4f46\u662f\u53ef\u4ee5\u88ab\u7f16\u8bd1\u8fd0\u884c\uff08\u7406\u89e3\u4e3a\u5d4c\u5957\u5728\u4ee3\u7801\u4e2d\u7684\u8865\u5145\u4fe1\u606f\uff09
\n3\u3001javaee\u4e2d\u53ef\u914d\u7f6e\u5e94\u7528\u7a0b\u5e8f\u7684\u4efb\u4f55\u5207\u9762<\/p>\n
10.2\u3001\u57fa\u672c\u7684Annotaion\u4ecb\u7ecd<\/h3>\n
1\u3001\u4ecb\u7ecd\uff1a<\/h4>\n
1\u3001\u4f7f\u7528Annotation\u65f6\uff0c\u8981\u5728\u524d\u9762\u6dfb\u52a0@\u7b26\u53f7\uff0c\u5e76\u628aAnnotation\u5f53\u6210\u4e00\u4e2a\u4fee\u9970\u7b26\u4f7f\u7528<\/p>\n
2\u3001\u4e09\u4e2a\u57fa\u672c\u7684Annotation<\/h4>\n
1\u3001@Override\uff1a\u9650\u5b9a\u67d0\u4e2a\u65b9\u6cd5<\/strong>\uff0c\u4e0d\u80fd\u4fee\u9970\u5176\u4ed6\u7c7b\uff0c\u5305\uff0c\u5c5e\u6027\uff0c\u91cd\u5199\u7236\u7c7b<\/strong>\uff0c\u6ce8\u89e3\u53ea\u7528\u4e8e\u65b9\u6cd5\u3002\u6700\u4e3b\u8981\u662f\u8bed\u6cd5\u7684\u6821\u9a8c<\/p>\n
2\u3001@Deprecated\uff1a\u7528\u4e8e\u8868\u793a\u67d0\u4e2a\u7a0b\u5e8f\u5143\u7d20(\u65b9\u6cd5\u3001\u7c7b\u7b49\uff09\u8fc7\u65f6\uff0c\u4e0d\u63a8\u8350\u7528\uff0c\u4f46\u662f\u53ef\u4ee5\u7528<\/p>\n
\uff081\uff09\u53ef\u4ee5\u4fee\u9970\u65b9\u6cd5\u3001\u7c7b\u3001\u5b57\u6bb5\u3001\u5305\u3001\u53c2\u6570\u3001\u7b49\u7b49<\/p>\n
3\u3001@SuppressWarning\uff08{\u201c\u6291\u5236\u4fe1\u606fall\u201d}\uff09\uff1a\u6291\u5236\u7f16\u8bd1\u5668\u8b66\u544a<\/p>\n
\uff081\uff09\u6709\u65f6\u5019\u4f1a\u51fa\u73b0\u8b66\u544a\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u5ffd\u7565<\/p>\n
\uff082\uff09\u6709\u8303\u56f4\u4e4b\u5206\uff08\u7c7b\u3001\u65b9\u6cd5\u5185\uff09<\/p>\n
4\u3001\u8865\u5145\uff1a\u4fee\u9970\u6ce8\u89e3\u7684\u6ce8\u89e3\uff0c\u662f\u5143\u6ce8\u89e3<\/p>\n
10.3\u3001JKD\u7684\u5143Annotation\uff08\u5143\u6ce8\u89e3\uff0c\u4e86\u89e3\uff09\u2014\u4f5c\u4e3a\u4e86\u89e3<\/h3>\n
\u5143\u6ce8\u89e3\uff1a\u4fee\u9970\u6ce8\u89e3\u7684\u6ce8\u89e3<\/p>\n
1\u3001Retention\uff1a\u6307\u5b9a\u6ce8\u91ca\u7684\u4f5c\u7528\u8303\u56f4\uff1aSOURCE\u3001CLASS\u3001RUNTIME<\/p>\n
2\u3001Target\uff1a\u6ce8\u91ca\u53ef\u4ee5\u5728\u54ea\u4e9b\u5730\u65b9\u4f7f\u7528<\/p>\n
3\u3001Documented\uff1a\u6307\u5b9a\u8be5\u6ce8\u89e3\u662f\u5426\u4f1a\u5728javadoc\u4f53\u73b0<\/p>\n
4\u3001INherited\uff1a\u5b50\u7c7b\u4f1a\u7ee7\u627f\u7236\u7c7b\u6ce8\u91ca <\/p>\n
10.4\u3001\u81ea\u5b9a\u4e49\u6ce8\u89e3<\/h3>\n
1\u3001\u5206\u6790<\/h4>\n
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