{"rsdb":{"rid":"158029","subhead":"","postdate":"0","aid":"118486","fid":"54","uid":"1","topic":"1","content":"

\u3000\u3000this\u5173\u952e\u5b57\u4e3b\u8981\u5b58\u5728\u4e09\u79cd\u5e94\u7528<\/p>

\u3000\u30001\u3001this\u8c03\u7528\u672c\u7c7b\u4e2d\u7684\u5c5e\u6027\uff0c\u4e5f\u5c31\u662f\u8bf4\u8c03\u7528\u7c7b\u4e2d\u7684\u6210\u5458\u53d8\u91cf\uff1b<\/p>

\u3000\u30002\u3001this\u8c03\u7528\u672c\u7c7b\u4e2d\u7684\u5176\u4ed6\u65b9\u6cd5\uff1b<\/p>

\u3000\u30003\u3001this\u8c03\u7528\u672c\u7c7b\u4e2d\u7684\u5176\u4ed6\u6784\u9020\u65b9\u6cd5\uff0c\u8c03\u7528\u65f6\u8981\u653e\u5728\u6784\u9020\u65b9\u6cd5\u7684\u9996\u884c\uff0c\u5426\u5219\u4f1a\u62a5\u9519<\/p>

\u3000\u3000\u5e94\u7528\u4e00\uff1a\u8c03\u7528\u672c\u7c7b\u4e2d\u7684\u6210\u5458\u53d8\u91cf<\/p>

Public Class Student {
String name; \/\/\u5b9a\u4e49\u4e00\u4e2a\u6210\u5458\u53d8\u91cfname
private void SetName(String name) { \/\/\u5b9a\u4e49\u4e00\u4e2a\u53c2\u6570(\u5c40\u90e8\u53d8\u91cf)name
this.name=name; \/\/\u5c06\u5c40\u90e8\u53d8\u91cf\u7684\u503c\u4f20\u9012\u7ed9\u6210\u5458\u53d8\u91cf
}
}<\/p>

\u3000\u3000\u5982\u4e0a\u9762\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6709\u4e00\u4e2a\u6210\u5458\u53d8\u91cfname\uff0c\u540c\u65f6\u5728\u65b9\u6cd5\u4e2d\u6709\u4e00\u4e2a\u5f62\u5f0f\u53c2\u6570\uff0c\u540d\u5b57\u4e5f\u662fname\uff0c\u7136\u540e\u5728\u65b9\u6cd5\u4e2d\u5c06\u5f62\u5f0f\u53c2\u6570name\u7684\u503c\u4f20\u9012\u7ed9\u6210\u5458\u53d8\u91cfname\uff0c
\u5728Java\u7f16\u8bd1\u5668\u4e2d\uff0cthis\u8fd9\u4e2a\u5173\u952e\u5b57\u5176\u4ee3\u8868\u7684\u5c31\u662f\u5bf9\u8c61\u4e2d\u7684\u6210\u5458\u53d8\u91cf\u6216\u8005\u65b9\u6cd5\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u5728\u67d0\u4e2a\u53d8\u91cf\u524d\u9762\u52a0\u4e0a\u4e00\u4e2athis\u5173\u952e\u5b57\uff0c\u5176\u6307\u7684\u5c31\u662f\u8fd9\u4e2a\u5bf9\u8c61\u7684\u6210\u5458\u53d8\u91cf\u6216\u8005\u65b9\u6cd5\uff0c\u800c\u4e0d\u662f\u6307\u6210\u5458\u65b9\u6cd5\u7684\u5f62\u5f0f\u53c2\u6570\u6216\u8005\u5c40\u90e8\u53d8\u91cf\u3002
\u4e3a\u6b64\u5728\u4e0a\u9762\u8fd9\u4e2a\u4ee3\u7801\u4e2d\uff0cthis.name\u4ee3\u8868\u7684\u5c31\u662f\u5bf9\u8c61\u4e2d\u7684\u6210\u5458\u53d8\u91cf\uff0c\u53c8\u53eb\u505a\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u800c\u540e\u9762\u7684name\u5219\u662f\u65b9\u6cd5\u7684\u5f62\u5f0f\u53c2\u6570\uff0c\u4ee3\u7801this.name=name\u5c31\u662f\u5c06\u5f62\u5f0f\u53c2\u6570\u7684\u503c\u4f20\u9012\u7ed9\u6210\u5458\u53d8\u91cf\u3002
\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5728Java\u8bed\u8a00\u4e2d\u5f15\u7528\u6210\u5458\u53d8\u91cf\u6216\u8005\u6210\u5458\u65b9\u6cd5\u90fd\u662f\u4ee5\u5bf9\u8c61\u540d.\u6210\u5458\u53d8\u91cf\u6216\u8005\u5bf9\u8c61\u540d.\u6210\u5458\u65b9\u6cd5\u7684\u5f62\u5f0f\u3002\u4e0d\u8fc7\u6709\u4e9b\u7a0b\u5e8f\u5458\u5373\u4f7f\u5728\u6ca1\u6709\u76f8\u540c\u53d8\u91cf\u7684\u65f6\u5019\uff0c\u4e5f\u559c\u6b22\u4f7f\u7528this.\u6210\u5458\u53d8\u91cf\u7684\u5f62\u5f0f\u6765\u5f15\u7528\u53d8\u91cf\uff0c\u8fd9\u4e3b\u8981\u662f\u4ece\u4fbf\u4e8e\u4ee3\u7801\u7684\u9605\u8bfb\u8003\u8651\u7684\u3002
\u4e00\u770b\u5230\u8fd9\u4e2athis\u5173\u952e\u5b57\u5c31\u77e5\u9053\u73b0\u5728\u5f15\u7528\u7684\u53d8\u91cf\u662f\u6210\u5458\u53d8\u91cf\u6216\u8005\u6210\u5458\u65b9\u6cd5\uff0c\u800c\u4e0d\u662f\u5c40\u90e8\u53d8\u91cf\u3002\u8fd9\u65e0\u5f62\u4e2d\u5c31\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u9605\u8bfb\u6027\u3002\u4ece\u8fd9\u4e2a\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u51fathis\u5173\u952e\u5b57\u5176\u4ee3\u8868\u7684\u5c31\u662f\u5bf9\u8c61\u7684\u540d\u5b57\u3002
\u5176\u5b9e\u5982\u679c\u662f\u5c40\u90e8\u53d8\u91cf\u7684\u8bdd\uff0c\u4e5f\u662f\u76f8\u540c\u7684\u9053\u7406\u3002\u6839\u636e\u5c40\u90e8\u53d8\u91cf\u7684\u4f5c\u7528\u57df\uff0c\u5728\u65b9\u6cd5\u5185\u90e8\uff0c\u5982\u679c\u5c40\u90e8\u53d8\u91cf\u4e0e\u6210\u5458\u53d8\u91cf\u540c\u540d\u7684\u8bdd\uff0c\u90a3\u4e48\u662f\u4ee5\u5c40\u90e8\u53d8\u91cf\u4e3a\u51c6\u3002\u6839\u636e\u4ee3\u7801\u7684\u542b\u4e49\uff0c\u672c\u6765\u7684\u610f\u601d\u5e94\u8be5\u662f\u5c06\u5c40\u90e8\u53d8\u91cf\u8d4b\u503c\u7ed9\u6210\u5458\u53d8\u91cf\u3002\u4e3a\u4e86\u66f4\u6e05\u6670\u7684\u8868\u8fbe\u8fd9\u4e2a\u542b\u4e49\uff0c\u4e3a\u6b64\u6700\u597d\u91c7\u7528\u5982\u4e0b\u7684\u4e66\u5199\u683c\u5f0fthis.name=name\u3002
\u8fd9\u91cc\u7684this\u5173\u952e\u5b57\u542b\u4e49\u5c31\u662f\u5bf9\u8c61\u540dstudent\uff0c\u4e3a\u6b64this.name\u5c31\u8868\u793astudent.name\u3002<\/p>

\u5e94\u7528\u4e8c\uff1a\u8c03\u7528\u672c\u7c7b\u4e2d\u7684\u6784\u9020\u65b9\u6cd5<\/p>

public class Student { \/\/\u5b9a\u4e49\u4e00\u4e2a\u7c7b\uff0c\u7c7b\u7684\u540d\u5b57\u4e3astudent\u3002
public Student() { \/\/\u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5\uff0c\u540d\u5b57\u4e0e\u7c7b\u76f8\u540c\u6545\u4e3a\u6784\u9020\u65b9\u6cd5
this(\u201cHello!\u201d);
}
public Student(String name) { \/\/\u5b9a\u4e49\u4e00\u4e2a\u5e26\u5f62\u5f0f\u53c2\u6570\u7684\u6784\u9020\u65b9\u6cd5
}
}<\/p>

\u5728\u4e00\u4e2aJava\u7c7b\u4e2d\uff0c\u5176\u65b9\u6cd5\u53ef\u4ee5\u5206\u4e3a\u6210\u5458\u65b9\u6cd5\u548c\u6784\u9020\u65b9\u6cd5\u4e24\u79cd\u3002
\u6784\u9020\u65b9\u6cd5\u662f\u4e00\u4e2a\u4e0e\u7c7b\u540c\u540d\u7684\u65b9\u6cd5\uff0c\u5728Java\u7c7b\u4e2d\u5fc5\u987b\u5b58\u5728\u4e00\u4e2a\u6784\u9020\u65b9\u6cd5\u3002\u5982\u679c\u5728\u4ee3\u7801\u4e2d\u6ca1\u6709\u663e\u793a\u7684\u4f53\u73b0\u6784\u9020\u65b9\u6cd5\u7684\u8bdd\uff0c\u90a3\u4e48\u7f16\u8bd1\u5668\u5728\u7f16\u8bd1\u7684\u65f6\u5019\u4f1a\u81ea\u52a8\u6dfb\u52a0\u4e00\u4e2a\u6ca1\u6709\u5f62\u5f0f\u53c2\u6570\u7684\u6784\u9020\u65b9\u6cd5\u3002
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\u4e0d\u8fc7\u5982\u679c\u666e\u901a\u7684\u65b9\u6cd5\u6ca1\u6709\u8fd4\u56de\u503c\u7684\u8bdd\uff0c\u90a3\u4e48\u4e00\u5b9a\u8981\u5728\u65b9\u6cd5\u5b9a\u4e49\u7684\u65f6\u5019\u91c7\u7528void\u5173\u952e\u5b57\u6765\u8fdb\u884c\u8bf4\u660e\u3002\u5176\u6b21\u6784\u9020\u65b9\u6cd5\u7684\u540d\u5b57\u6709\u4e25\u683c\u7684\u8981\u6c42\uff0c\u5373\u5fc5\u987b\u4e0e\u7c7b\u7684\u540d\u5b57\u76f8\u540c\u3002
\u4e5f\u5c31\u662f\u8bf4\uff0cJava\u7f16\u8bd1\u5668\u53d1\u73b0\u6709\u4e2a\u65b9\u6cd5\u4e0e\u7c7b\u7684\u540d\u5b57\u76f8\u540c\u624d\u628a\u5176\u5f53\u4f5c\u6784\u9020\u65b9\u6cd5\u6765\u5bf9\u5f85\u3002\u800c\u5bf9\u4e8e\u666e\u901a\u65b9\u6cd5\u7684\u8bdd\uff0c\u5219\u8981\u6c42\u4e0d\u80fd\u591f\u4e0e\u7c7b\u7684\u540d\u5b57\u76f8\u540c\uff0c\u800c\u4e14\u591a\u4e2a\u6210\u5458\u65b9\u6cd5\u4e0d\u80fd\u591f\u91c7\u7528\u76f8\u540c\u7684\u540d\u5b57\u3002
\u5728\u4e00\u4e2a\u7c7b\u4e2d\u53ef\u4ee5\u5b58\u5728\u591a\u4e2a\u6784\u9020\u65b9\u6cd5\uff0c\u8fd9\u4e9b\u6784\u9020\u65b9\u6cd5\u90fd\u91c7\u7528\u76f8\u540c\u7684\u540d\u5b57\uff0c\u53ea\u662f\u5f62\u5f0f\u53c2\u6570\u4e0d\u540c\u3002Java\u8bed\u8a00\u5c31\u51ed\u5f62\u5f0f\u53c2\u6570\u4e0d\u540c\u6765\u5224\u65ad\u8c03\u7528\u90a3\u4e2a\u6784\u9020\u65b9\u6cd5\u3002
\u5728\u4e0a\u9762\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u5b9a\u4e49\u4e86\u4e24\u4e2a\u6784\u9020\u65b9\u6cd5\uff0c\u4e00\u4e2a\u5e26\u53c2\u6570\uff0c\u53e6\u4e00\u4e2a\u6ca1\u6709\u5e26\u53c2\u6570\u3002\u6784\u9020\u65b9\u6cd5\u90fd\u4e0d\u4f1a\u6709\u8fd4\u56de\u503c\u3002
\u5728\u7b2c\u4e00\u4e2a\u6ca1\u6709\u5e26\u53c2\u6570\u7684\u6784\u9020\u65b9\u6cd5\u4e2d\uff0c\u4f7f\u7528\u4e86this(\u201cHello!\u201d)\u8fd9\u53e5\u4ee3\u7801\uff0c\u8fd9\u8868\u793a\u5728\u6784\u9020\u65b9\u6cd5\u4e2d\u4f7fthis\u5173\u952e\u5b57\u8c03\u7528\u7c7b\u4e2d\u7684\u6784\u9020\u65b9\u6cd5\u3002
\u5982\u679c\u4e00\u4e2a\u7c7b\u4e2d\u6709\u591a\u4e2a\u6784\u9020\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5176\u540d\u5b57\u90fd\u76f8\u540c\uff0c\u8ddf\u7c7b\u540d\u4e00\u6837\uff0c\u90fd\u662f\u901a\u8fc7\u5f62\u5f0f\u53c2\u6570\u6765\u8c03\u7528\u6784\u9020\u65b9\u6cd5\u7684\u3002
\u5982\u4e0a\u4f8b\u4e2d\uff0cthis\u5173\u952e\u5b57\u540e\u9762\u52a0\u4e0a\u4e86\u4e00\u4e2a\u53c2\u6570\uff0c\u90a3\u4e48\u5c31\u8868\u793a\u5176\u5f15\u7528\u7684\u662f\u5e26\u53c2\u6570\u7684\u6784\u9020\u65b9\u6cd5\u3002\u5982\u679c\u73b0\u5728\u6709\u4e09\u4e2a\u6784\u9020\u65b9\u6cd5\uff0c\u5206\u522b\u4e3a\u4e0d\u5e26\u53c2\u6570\u3001\u5e26\u4e00\u4e2a\u53c2\u6570\u3001\u5e26\u4e24\u4e2a\u53c2\u6570\u3002\u90a3\u4e48Java\u7f16\u8bd1\u5668\u4f1a\u6839\u636e\u6240\u4f20\u9012\u7684\u53c2\u6570\u6570\u91cf\u7684\u4e0d\u540c\uff0c\u6765\u5224\u65ad\u8be5\u8c03\u7528\u54ea\u4e2a\u6784\u9020\u65b9\u6cd5\u3002
\u4ece\u4e0a\u9762\u793a\u4f8b\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0cthis\u5173\u952e\u5b57\u4e0d\u4ec5\u53ef\u4ee5\u7528\u6765\u5f15\u7528\u6210\u5458\u53d8\u91cf\uff0c\u800c\u4e14\u8fd8\u53ef\u4ee5\u7528\u6765\u5f15\u7528\u6784\u9020\u65b9\u6cd5\u3002<\/p>

\u5e94\u7528\u4e09\uff1a\u8fd4\u56de\u5bf9\u8c61\u7684\u503c<\/p>

this\u5173\u952e\u5b57\u9664\u4e86\u53ef\u4ee5\u5f15\u7528\u53d8\u91cf\u6216\u8005\u6210\u5458\u65b9\u6cd5\u4e4b\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u91cd\u5927\u7684\u4f5c\u7528\u5c31\u662f\u8fd4\u56de\u7c7b\u7684\u5f15\u7528\u3002
\u5982\u5728\u4ee3\u7801\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528return this\uff0c\u6765\u8fd4\u56de\u67d0\u4e2a\u7c7b\u7684\u5f15\u7528\u3002\u6b64\u65f6\u8fd9\u4e2athis\u5173\u952e\u5b57\u5c31\u4ee3\u8868\u7c7b\u7684\u540d\u79f0\u3002
\u5982\u4ee3\u7801\u5728\u4e0a\u9762student\u7c7b\u4e2d\uff0c\u90a3\u4e48\u4ee3\u7801\u4ee3\u8868\u7684\u542b\u4e49\u5c31\u662freturn student\u3002\u53ef\u89c1\uff0c\u8fd9\u4e2athis\u5173\u952e\u5b57\u9664\u4e86\u53ef\u4ee5\u5f15\u7528\u53d8\u91cf\u6216\u8005\u6210\u5458\u65b9\u6cd5\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f5c\u4e3a\u7c7b\u7684\u8fd4\u56de\u503c\uff0c\u8fd9\u624d\u662fthis\u5173\u952e\u5b57\u6700\u5f15\u4eba\u6ce8\u610f\u7684\u5730\u65b9\u3002<\/p>","orderid":"0","title":"Java\u57fa\u7840\u6559\u7a0b\u4e4bthis\u5173\u952e\u5b57\u7684\u4f5c\u7528","smalltitle":"","mid":"0","fname":"linux\u7f16\u7a0b\u57fa\u7840","special_id":"0","bak_id":"0","info":"0","hits":"657","pages":"1","comments":"0","posttime":"2017-07-14 10:23:02","list":"1499998982","username":"admin","author":"","copyfrom":"","copyfromurl":"","titlecolor":"","fonttype":"0","titleicon":"0","picurl":"https:\/\/www.cppentry.com\/upload_files\/","ispic":"0","yz":"1","yzer":"","yztime":"0","levels":"0","levelstime":"0","keywords":"Java<\/A> \u57fa\u7840<\/A> \u6559\u7a0b<\/A> this<\/A> \u5173\u952e\u5b57<\/A> \u4f5c\u7528<\/A>","jumpurl":"","iframeurl":"","style":"","template":"a:3:{s:4:\"head\";s:0:\"\";s:4:\"foot\";s:0:\"\";s:8:\"bencandy\";s:0:\"\";}","target":"0","ip":"218.17.197.194","lastfid":"0","money":"0","buyuser":"","passwd":"","allowdown":"","allowview":"","editer":"","edittime":"0","begintime":"0","endtime":"0","description":"Java\u57fa\u7840\u6559\u7a0b\u4e4bthis\u5173\u952e\u5b57\u7684\u4f5c\u7528","lastview":"1709246304","digg_num":"1925","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}