{"id":55100,"date":"2025-08-13T16:29:50","date_gmt":"2025-08-13T08:29:50","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/55100.html"},"modified":"2025-08-13T16:29:50","modified_gmt":"2025-08-13T08:29:50","slug":"java-%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e5%9f%ba%e7%a1%80%ef%bc%88%e7%b1%bb%e4%b8%8e%e5%af%b9%e8%b1%a1%ef%bc%89-java-%e7%9a%84%e7%81%b5%e9%ad%82%e4%b8%8e%e9%aa%a8%e6%9e%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/55100.html","title":{"rendered":"Java \u9762\u5411\u5bf9\u8c61\u57fa\u7840\uff08\u7c7b\u4e0e\u5bf9\u8c61\uff09\u2014\u2014 Java \u7684\u7075\u9b42\u4e0e\u9aa8\u67b6"},"content":{"rendered":"

\u9762\u5411\u5bf9\u8c61<\/h2>\n

Java \u9762\u5411\u5bf9\u8c61\u57fa\u7840\u662f Java \u8bed\u8a00\u7684\u6838\u5fc3\u601d\u60f3\u4e0e\u8bbe\u8ba1\u57fa\u77f3，\u9762\u5411\u5bf9\u8c61\u662f Java \u533a\u522b\u4e8e\u9762\u5411\u8fc7\u7a0b\u8bed\u8a00\u7684\u672c\u8d28\u7279\u5f81，\u8d2f\u7a7f Java \u8bed\u8a00\u8bbe\u8ba1\u7684\u59cb\u7ec8<\/p>\n

OOP（object oriented programming），\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b
\n\u662f\u4e00\u79cd\u4ee5\u5bf9\u8c61\u4e3a\u4e2d\u5fc3\u7684\u7f16\u7a0b\u601d\u60f3，\u901a\u8fc7\u501f\u52a9\u5bf9\u8c61\u5b9e\u73b0\u5177\u4f53\u7684\u529f\u80fd
\n\u5c06\u5927\u95ee\u9898\u62c6\u5206\u6210\u5c0f\u95ee\u9898，\u7136\u540e\u501f\u52a9\u4e0d\u540c\u5bf9\u8c61\u5206\u522b\u89e3\u51b3，\u6700\u7ec8\u5b9e\u73b0\u529f\u80fd<\/p>\n

POP（procedure oriented Programming），\u9762\u5411\u8fc7\u7a0b\u7f16\u7a0b
\n\u662f\u4e00\u79cd\u4ee5\u8fc7\u7a0b\u4e3a\u4e2d\u5fc3\u7684\u7f16\u7a0b\u601d\u60f3，\u9760\u81ea\u5df1\u4e00\u6b65\u4e00\u6b65\u53bb\u5b9e\u73b0\u529f\u80fd，\u9700\u8981\u5bf9\u6bcf\u4e2a\u6b65\u9aa4\u7cbe\u786e\u63a7\u5236
\n\u5f3a\u8c03\u6309\u6b65\u9aa4\u5b9e\u73b0\u529f\u80fd，\u5148\u5206\u6790\u89e3\u51b3\u95ee\u9898\u6240\u9700\u6b65\u9aa4，\u518d\u81ea\u5b9a\u4e49\u65b9\u6cd5\u5b9e\u73b0\u6bcf\u4e2a\u6b65\u9aa4\u529f\u80fd，\u7136\u540e\u4f9d\u6b21\u8c03\u7528\u65b9\u6cd5，\u6700\u7ec8\u5b9e\u73b0\u529f\u80fd<\/p>\n

\n

\u9762\u5411\u5bf9\u8c61\u8fd9\u4e2a\u62bd\u8c61\u7684\u6982\u5ff5\u901a\u5e38\u4e0e\u9762\u5411\u8fc7\u7a0b\u540c\u65f6\u51fa\u73b0，\u800c\u4e14\u53ea\u7528\u00a0 \u6ce8\u91cd\u8fc7\u7a0b~ \u548c\u5bf9\u5e94\u7684\u00a0 \u6ce8\u91cd\u7ed3\u679c？😳\u00a0\u8fd9\u4e2a\u89e3\u91ca\u5f88\u96be\u8ba9\u4eba\u771f\u6b63\u7406\u89e3，\u63a5\u4e0b\u6765\u6211\u5c06\u4e3e\u4e00\u4e9b\u4f8b\u5b50\u5e2e\u52a9\u5927\u5bb6\u7406\u89e3\u9762\u5411\u5bf9\u8c61\u8fd9\u4e2a\u6982\u5ff5<\/p>\n

\u7b80\u5355\u6765\u8bf4：<\/p>\n

\u9762\u5411\u8fc7\u7a0b（Procedure-Oriented）\u66f4\u5173\u6ce8 \u201c\u600e\u4e48\u505a\u201d（\u6b65\u9aa4\u548c\u6d41\u7a0b），\u901a\u8fc7\u51fd\u6570\u4e32\u8054\u8d77\u4e00\u7cfb\u5217\u64cd\u4f5c，\u4e00\u6b65\u4e00\u6b65\u5b9e\u73b0\u76ee\u6807；
\n\u9762\u5411\u5bf9\u8c61（Object-Oriented）\u66f4\u5173\u6ce8 \u201c\u8c01\u6765\u505a\u201d（\u5b9e\u4f53\u548c\u4ea4\u4e92），\u901a\u8fc7\u62bd\u8c61\u51fa\u5bf9\u8c61，\u8ba9\u5bf9\u8c61\u4e4b\u95f4\u534f\u4f5c\u5b8c\u6210\u76ee\u6807，\u8fc7\u7a0b\u88ab\u5c01\u88c5\u5728\u5bf9\u8c61\u7684\u884c\u4e3a\u4e2d\u3002<\/p>\n

\u4e3e\u4f8b\u6765\u8bf4，\u6211\u4eec\u8981\u7f51\u8d2d\u7684\u8bdd，\u7528\u9762\u5411\u8fc7\u7a0b\u6765\u8bf4，\u5c31\u662f\u4f1a\u62c6\u89e3\u51fa\u5177\u4f53\u6b65\u9aa4，\u6309\u987a\u5e8f\u6267\u884c：<\/p>\n

\u6b65\u9aa41：\u6253\u5f00\u624b\u673a，\u6253\u5f00\u8d2d\u7269APP
\n\u6b65\u9aa42：\u641c\u7d22\u201c\u62d6\u978b\u201d，\u9009\u4e00\u4e2a\u60f3\u8981\u7684
\n\u6b65\u9aa43：\u786e\u8ba4\u6570\u91cf，\u63d0\u4ea4\u8ba2\u5355
\n\u6b65\u9aa44：\u5728\u7ebf\u652f\u4ed8
\n\u6b65\u9aa45：\u7b49\u5f85\u914d\u9001，\u6536\u5230<\/p>\n

\u5982\u679c\u662f\u9762\u5411\u5bf9\u8c61，\u5c31\u662f\u4f1a\u62bd\u8c61\u51fa\u53c2\u4e0e\u7684 \u201c\u5bf9\u8c61\u201d，\u4ee5\u53ca\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u884c\u4e3a，\u901a\u8fc7\u5bf9\u8c61\u534f\u4f5c\u5b8c\u6210：<\/p>\n

\u5bf9\u8c61 1：\u7528\u6237（\u5c5e\u6027：\u8d26\u6237\u4f59\u989d；\u884c\u4e3a：\u6253\u5f00 APP\u3001\u9009\u62e9\u5546\u54c1\u3001\u652f\u4ed8）
\n\u5bf9\u8c61 2：\u8d2d\u7269 APP（\u5c5e\u6027：\u5546\u54c1\u5217\u8868；\u884c\u4e3a：\u641c\u7d22\u5546\u54c1\u3001\u751f\u6210\u8ba2\u5355）
\n\u5bf9\u8c61 3：\u652f\u4ed8\u7cfb\u7edf（\u5c5e\u6027：\u652f\u4ed8\u6e20\u9053；\u884c\u4e3a：\u5904\u7406\u652f\u4ed8）
\n\u5bf9\u8c61 4：\u914d\u9001\u5458（\u5c5e\u6027：\u4f4d\u7f6e；\u884c\u4e3a：\u914d\u9001\u5546\u54c1）<\/p>\n

\u4e0d\u662f\u8bf4Java\u66f4\u7b26\u5408\u54b1\u4eec\u7684\u601d\u8003\u4e60\u60ef\u5417，\u6211\u7528\u6211\u4e2a\u4eba\u6bd4\u8f83\u559c\u6b22\u7684\u4e00\u4e2a\u4f8b\u5b50\u6765\u8bf4\u5c31\u662f，\u6211\u4eec\u5173\u95e8\u7684\u8bdd，\u5173\u95e8\u8fd9\u4e2a\u52a8\u4f5c\u8fc7\u7a0b\u5c31\u662f\u9762\u5411\u8fc7\u7a0b\u8981\u8003\u8651\u7684，\u800c\u9762\u5411\u5bf9\u8c61\u5c31\u662f\u95e8\u53ef\u4ee5\u88ab\u5173\u4e0a（\u6216\u8005\u6253\u5f00），\u6211\u4eec\u4f7f\u7528\u4e86\u5b83\u8fd9\u4e2a\u80fd\u529b，\u8fd9\u4e2a\u4f8b\u5b50\u4e5f\u53d8\u76f8\u8bf4\u660e\u4e86\u4e3a\u4ec0\u4e48\u4e0d\u628a\u5173\u95e8\u8fd9\u4e2a\u80fd\u529b\u5f52\u5728\u4eba\u8eab\u4e0a，\u56e0\u4e3a\u6211\u76f8\u4fe1\u4f60\u80af\u5b9a\u4e0d\u53ea\u662f\u4e00\u4e2a\u201c\u5173\u95e8\u5f1f\u5b50\u201d，\u628a\u4f60\u4f1a\u7684\u90fd\u5199\u4e0a\u90a3\u592a\u591a\u4e86(\u25e6`~\u00b4\u25e6)<\/p>\n

\n

\u9762\u5411\u5bf9\u8c61\u7279\u70b9：
\n\u66f4\u7b26\u5408\u4eba\u7c7b\u601d\u60f3\u4e60\u60ef\u7684\u601d\u60f3
\n\u5229\u7528\u5bf9\u8c61\u53bb\u5b9e\u73b0\u529f\u80fd
\n\u5c06\u590d\u6742\u4e8b\u60c5\u7b80\u5355\u5316
\n\u7a0b\u5e8f\u5458\u7684\u89d2\u8272\u7531\u6267\u884c\u8005\u53d8\u6210\u4e86\u6307\u6325\u8005<\/p>\n

\u9488\u5bf9\u8981\u89e3\u51b3\u95ee\u9898\u7684\u7528\u6237\u800c\u8a00，\u53ef\u4ee5\u628a\u5927\u95ee\u9898\u62c6\u89e3\u6210\u5c0f\u95ee\u9898，\u5206\u522b\u6307\u6325\u4e0d\u540c\u7684\u5bf9\u8c61\u53bb\u89e3\u51b3\u5c0f\u95ee\u9898<\/p>\n

\u9762\u5411\u5bf9\u8c61\u5f00\u53d1： \u5c31\u662f\u4e0d\u65ad\u521b\u5efa\u5bf9\u8c61，\u4f7f\u7528\u5bf9\u8c61，\u6307\u6325\u5bf9\u8c61\u505a\u4e8b\u60c5\u5b9e\u73b0\u529f\u80fd
\n\u539f\u5219：\u5982\u679c\u6709\u5bf9\u8c61，\u5c31\u6307\u6325\u5bf9\u8c61\u5b9e\u73b0\u529f\u80fd；\u5982\u679c\u6ca1\u6709，\u5c31\u521b\u5efa\u5bf9\u8c61，\u7136\u540e\u518d\u6307\u6325<\/p>\n

\u9762\u5411\u5bf9\u8c61\u8bed\u8a00\u7279\u5f81：
\n\u5c01\u88c5（encapsulation）\u4fe1\u606f\u9690\u853d；
\n\u7ee7\u627f（inheritance）\u4ee3\u7801\u91cd\u7528；
\n\u591a\u6001（polymorphism）\u7075\u6d3b\u3001\u63a5\u53e3\u7edf\u4e00<\/p>\n

Java\u8bed\u8a00\u3001C++\u3001Python\u7b49\u90fd\u662f\u9762\u5411\u5bf9\u8c61\u7a0b\u5e8f\u8bbe\u8ba1\u8bed\u8a00\u4e2d\u7684\u4e00\u79cd，\u6240\u4ee5\u90fd\u5177\u6709\u8fd9\u4e09\u79cd\u7279\u5f81<\/p>\n

\n

\u7c7b\u4e0e\u5bf9\u8c61<\/h2>\n

\u4efb\u4f55\u4e8b\u7269\u90fd\u662f\u4e00\u4e2a\u5bf9\u8c61（object）
\n\u5bf9\u8c61\u7531\u5bf9\u8c61\u7ec4\u6210
\n\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u6709\u5c5e\u6027（\u9759\u6001\u7684\u63cf\u8ff0\u4fe1\u606f）\u3001\u884c\u4e3a（\u52a8\u6001\u7684\u529f\u80fd\u63cf\u8ff0）
\n\u5177\u6709\u76f8\u4f3c\u5c5e\u6027\u548c\u884c\u4e3a\u7684\u5bf9\u8c61\u53ef\u4ee5\u5f52\u4e3a\u4e00\u7c7b<\/p>\n

\u7c7b<\/h3>\n

\u5177\u6709\u76f8\u540c\u5c5e\u6027\u548c\u884c\u4e3a\u7684\u5bf9\u8c61\u53ef\u4ee5\u62bd\u8c61\u4e3a\u7c7b（\u5f15\u7528\u6570\u636e\u7c7b\u578b\u7684\u4e00\u79cd）<\/p>\n

\u7c7b\u7684\u7ec4\u6210：\u5c5e\u6027（\u7279\u5f81）\u4e0e\u65b9\u6cd5（\u884c\u4e3a）<\/p>\n

\u7c7b\u662f\u5bf9\u8c61\u7684\u62bd\u8c61，\u5bf9\u8c61\u662f\u7c7b\u7684\u5b9e\u4f8b<\/p>\n

\u7c7b\u5b9a\u4e49\u683c\u5f0f：<\/p>\n

[public] class \u7c7b\u540d {
\n \u00a0 \u00a0\/\/\u5c5e\u6027，\u53ef\u4ee5\u5305\u542b\u591a\u4e2a
\n \u00a0 [\u6743\u9650\u4fee\u9970\u7b26] \u6570\u636e\u7c7b\u578b \u6210\u5458\u53d8\u91cf\u540d;
\n \/\/\u6784\u9020\u5668，\u53ef\u4e0d\u5199，\u6211\u4eec\u4e00\u4f1a\u8ba8\u8bba
\n \u00a0 [\u6743\u9650\u4fee\u9970\u7b26] \u7c7b\u540d(\u5f62\u53c2\u5217\u8868) {
\n \u00a0 \u00a0 \u00a0 \u00a0\u521d\u59cb\u5316\u8bed\u53e5
\n \u00a0 }
\n \u00a0 \u00a0\/\/\u884c\u4e3a，\u53ef\u4ee5\u5305\u542b\u591a\u4e2a
\n \u00a0 [\u6743\u9650\u4fee\u9970\u7b26] \u8fd4\u56de\u503c\u7c7b\u578b \u6210\u5458\u65b9\u6cd5\u540d(\u5f62\u53c2\u5217\u8868) {
\n \u00a0 \u00a0 \u00a0 \u00a0\u5177\u4f53\u529f\u80fd\u5b9e\u73b0
\n \u00a0 }
\n}<\/p>\n

\u5177\u4f53\u6848\u4f8b：<\/p>\n

public class Student {
\n \u00a0 \u00a0\/\/ \u5c5e\u6027: \u59d3\u540d, \u5e74\u9f84
\n \u00a0 \u00a0\/\/ \u6210\u5458\u53d8\u91cf
\n \u00a0 \u00a0String name;
\n \u00a0 \u00a0int age;
\n \u00a0 \u00a0\/\/ \u884c\u4e3a : \u6253\u62db\u547c
\n \u00a0 \u00a0\/\/ \u6210\u5458\u65b9\u6cd5
\n \u00a0 \u00a0public void sayHello() {
\n \u00a0 \u00a0 \u00a0 \u00a0System.out.println("hello");
\n \u00a0 }
\n}<\/p>\n

\u4e0a\u8ff0\u6848\u4f8b\u4e2d，\u6211\u4eec\u5b9a\u4e49\u4e86\u5b66\u751f\u7c7bStudent； \u8981\u6ce8\u610f，Student\u662f\u4e00\u79cd\u6570\u636e\u7c7b\u578b，\u662f\u81ea\u5b9a\u4e49\u7c7b\u7c7b\u578b，\u5c5e\u4e8e\u5f15\u7528\u7c7b\u578b；<\/p>\n

\u7c7b\u7c7b\u578b\u4f7f\u7528\u65f6\u8ddfint\u3001double\u3001String\u7b49\u7c7b\u578b\u7c7b\u4f3c，\u90fd\u5fc5\u987b\u5148\u5b9a\u4e49\u53d8\u91cf\u5e76\u8d4b\u503c，\u624d\u80fd\u4f7f\u7528；<\/p>\n

\u7c7b\u7c7b\u578b\u548c\u57fa\u672c\u6570\u636e\u7c7b\u578b\u5b9a\u4e49\u53d8\u91cf\u7684\u65b9\u5f0f\u4e0d\u540c，\u63cf\u8ff0\u65b9\u5f0f\u4e5f\u4e0d\u540c，\u5177\u4f53\u5982\u4e0b：<\/p>\n

\/\/\u57fa\u672c\u6570\u636e\u7c7b\u578b\u5b9a\u4e49\u53d8\u91cf
\nint a = 10; \/\/\u5b9a\u4e49\u4e00\u4e2aint\u7c7b\u578b\u53d8\u91cfa
\ndouble d = 2.3; \/\/\u5b9a\u4e49\u4e00\u4e2adouble\u7c7b\u578b\u53d8\u91cfd
\n\/\/\u7c7b\u7c7b\u578b\u5b9a\u4e49\u53d8\u91cf
\nStudent s1 = new Student(); \/\/\u5b9e\u4f8b\u5316\u4e00\u4e2aStudent\u7c7b\u5bf9\u8c61s1
\nStudent s2 = new Student(); \/\/\u5b9e\u4f8b\u5316\u4e00\u4e2aStudent\u7c7b\u5bf9\u8c61s2<\/p>\n

\u65b9\u6cd5<\/h4>\n

\u65b9\u6cd5(method)：\u5c31\u662f\u5b8c\u6210\u7279\u5b9a\u529f\u80fd\u7684\u4ee3\u7801\u5757<\/p>\n

\u901a\u8fc7\u65b9\u6cd5\u7684\u5b9a\u4e49\u548c\u8c03\u7528，\u53ef\u5927\u5927\u63d0\u9ad8\u4ee3\u7801\u7684\u590d\u7528\u6027\u4e0e\u53ef\u8bfb\u6027<\/p>\n

\u5173\u4e8e\u65b9\u6cd5，\u6211\u4eec\u5176\u5b9e\u5e76\u4e0d\u964c\u751f(\u3002\u30fb`\u03c9\u00b4\u30fb)，\u4ece\u5f00\u59cb\u5b66Java\u5230\u73b0\u5728\u6bcf\u5929\u90fd\u4f1a\u4f7f\u7528main\u65b9\u6cd5， \u5177\u4f53\u5982\u4e0b：<\/p>\n

public class \u6d4b\u8bd5\u7c7b\u540d {
\n \/\/main\u65b9\u6cd5\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u65b9\u6cd5，\u5176\u662f\u7a0b\u5e8f\u7684\u5165\u53e3
\n \u00a0 \u00a0public static void main(String[] args) {
\n System.out.println("hello method");
\n }
\n}<\/p>\n

\u5b9a\u4e49\u683c\u5f0f<\/p>\n

\u4fee\u9970\u7b26 \u8fd4\u56de\u503c\u7c7b\u578b \u65b9\u6cd5\u540d(\u5f62\u5f0f\u53c2\u6570\u5217\u8868) {
\n \u00a0 \u00a0\u65b9\u6cd5\u4f53\u8bed\u53e5;
\n}<\/p>\n

\u65b9\u6cd5\u5b9a\u4e49\u7ec6\u8282：<\/p>\n

\u8fd4\u56de\u503c\u7c7b\u578b：\u6839\u636e\u8be5\u65b9\u6cd5\u7684\u5177\u4f53\u529f\u80fd\u800c\u5b9a
\n\u5982\u679c\u65b9\u6cd5\u7684\u4f5c\u7528\u4ec5\u505a\u8f93\u51fa，\u4e0d\u9700\u8981\u8fd4\u56de\u6570\u636e，\u5219\u4e3a void；
\n\u5982\u679c\u65b9\u6cd5\u9700\u8981\u8ba1\u7b97\u4e00\u4e2a\u7ed3\u679c\u5e76\u8fd4\u56de，\u5219\u4e3a\u7ed3\u679c\u7c7b\u578b，\u6bd4\u5982\u65b9\u6cd5\u8981\u6c422\u4e2a int\u6570\u7684\u548c，\u5219\u4e3a int<\/p>\n

\u65b9\u6cd5\u540d：\u89c1\u540d\u77e5\u610f，\u9a7c\u5cf0\u547d\u540d\u6cd5，\u5982\u679c\u53ea\u6709\u4e00\u4e2a\u5355\u8bcd\u5168\u5c0f\u5199，\u4f8b： display()\u3001sum()
\n\u5982\u679c\u591a\u4e2a\u5355\u8bcd\u6784\u6210，\u5219\u7b2c\u4e00\u4e2a\u5355\u8bcd\u5168\u5c0f\u5199，\u540e\u7eed\u5355\u8bcd\u9996\u5b57\u6bcd\u5927\u5199，\u4f8b： sayHello()\u3001getMax()\u3001 findStudentByd()<\/p>\n

\u5f62\u5f0f\u53c2\u6570\u5217\u8868：\u6839\u636e\u8be5\u65b9\u6cd5\u7684\u5177\u4f53\u529f\u80fd\u800c\u5b9a，\u5177\u4f53\u6848\u4f8b\u5982\u4e0b
\n\u8ba1\u7b972\u4e2aint\u6570\u7684\u548c，\u5219 int getSum(int a, int b);
\n\u8ba1\u7b973\u4e2aint\u6570\u7684\u5e73\u5747\u6570，\u5219 double getAvg(int x, int y, int z);
\n\u904d\u5386\u4e00\u4e2a\u6570\u7ec4，\u5219 void outArray(int[] array);\u00a0\u00a0<\/p>\n

\u5e26\u53c2\u65b9\u6cd5\u5b9a\u4e49\u65f6，\u53c2\u6570\u4e2d\u7684\u6570\u636e\u7c7b\u578b\u4e0e\u53d8\u91cf\u540d\u90fd\u4e0d\u80fd\u7f3a\u5c11，\u7f3a\u5c11\u4efb\u610f\u4e00\u4e2a\u7a0b\u5e8f\u5c06\u62a5\u9519<\/p>\n

\u5e26\u53c2\u65b9\u6cd5\u5b9a\u4e49\u65f6，\u591a\u4e2a\u53c2\u6570\u4e4b\u95f4\u4f7f\u7528\u9017\u53f7(,)\u5206\u9694<\/p>\n

\u8c03\u7528<\/p>\n

\u65b9\u6cd5\u8c03\u7528\u683c\u5f0f： \u65b9\u6cd5\u540d(\u5b9e\u9645\u53c2\u6570\u5217\u8868);<\/p>\n

public static void main(String[] args) {
\n \/\/getMax\u76f8\u4fe1\u5927\u5bb6\u5e94\u8be5\u89c1\u540d\u77e5\u610f\u5427
\n \u00a0 \u00a0\/\/ 10,20\u662f\u5b9e\u9645\u53c2\u6570
\n \u00a0 \u00a0int max = getMax(10, 20);
\n \u00a0 \u00a0System.out.println("max: " + max);
\n \u00a0 \u00a0int x = 10;
\n \u00a0 \u00a0int y = 20;
\n \u00a0 \u00a0\/\/ a,b\u662f\u5b9e\u9645\u53c2\u6570
\n \u00a0 \u00a0max = getMax(x, y);
\n \u00a0 \u00a0System.out.println("max: " + max);
\n}
\npublic int getMax(int a, int b) {
\n \u00a0 \u00a0if(a > b)
\n \u00a0 \u00a0 \u00a0 \u00a0return a;
\n \u00a0 \u00a0return b;
\n }<\/p>\n

\u6ce8\u610f\u4e8b\u9879： \u65b9\u6cd5\u5fc5\u987b\u5148\u5b9a\u4e49，\u518d\u8c03\u7528<\/p>\n

\u5b9e\u9645\u53c2\u6570\u5217\u8868\u53ef\u4ee5\u662f\u5e38\u91cf，\u4e5f\u53ef\u4ee5\u662f\u53d8\u91cf，\u4e5f\u53ef\u4ee5\u662f\u8868\u8fbe\u5f0f<\/p>\n

\u5b9e\u9645\u53c2\u6570\u7c7b\u578b\u8981\u5339\u914d\u5f62\u5f0f\u53c2\u6570\u7c7b\u578b（\u8981\u4e48\u5b8c\u5168\u76f8\u540c，\u8981\u4e48\u80fd\u81ea\u52a8\u9690\u5f0f\u7c7b\u578b \u8f6c\u6362）<\/p>\n

main\u65b9\u6cd5\u662f\u5165\u53e3\u65b9\u6cd5，\u4e00\u4e2a\u7a0b\u5e8f\u4e2d\u552f\u4e00，\u5176\u53ef\u4ee5\u8c03\u7528\u5176\u4ed6\u666e\u901a\u65b9\u6cd5<\/p>\n

\u5176\u4ed6\u65b9\u6cd5\u4e0d\u80fd\u8c03\u7528main\u65b9\u6cd5，\u666e\u901a\u65b9\u6cd5\u53ef\u4ee5\u76f8\u4e92\u8c03\u7528<\/p>\n

\u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5，\u7528\u6765\u4ea4\u6362\u4e24\u4e2a\u6574\u5f62\u6570：<\/p>\n

public class Test_Swap {
\n public static void swap(int x, int y) {
\n System.out.println("\u4ea4\u6362\u524d，x: " + x + " y: " + y);
\n x = x ^ y;
\n y = x ^ y;
\n x = x ^ y;
\n System.out.println("\u4ea4\u6362\u540e，x: " + x + " y: " + y);
\n }<\/p>\n

public static void main(String[] args) {
\n int a = 10;
\n int b = 20;
\n \/\/\u8c03\u7528\u65b9\u6cd5
\n swap(a,b);<\/p>\n

System.out.println("\u4ea4\u6362\u540e，a: " + a + " b: " + b);
\n }
\n}
\n\/\/\u8f93\u51fa\u7ed3\u679c
\n\/\/\u4ea4\u6362\u524d，x: 10 y: 20
\n\/\/\u4ea4\u6362\u540e，x: 20 y: 10
\n\/\/\u4ea4\u6362\u540e，a: 10 b: 20<\/p>\n

<\/p>\n

\u5f02\u6216\u8fd0\u7b97\u7684\u6838\u5fc3\u7279\u6027
\n\u4ea4\u6362\u5f8b：a ^ b = b ^ a
\n\u7ed3\u5408\u5f8b：(a ^ b) ^ c = a ^ (b ^ c)
\n\u81ea\u53cd\u6027：a ^ a = 0（\u4e00\u4e2a\u6570\u4e0e\u81ea\u8eab\u5f02\u6216\u7ed3\u679c\u4e3a 0）
\n\u6052\u7b49\u6027：a ^ 0 = a（\u4e00\u4e2a\u6570\u4e0e 0 \u5f02\u6216\u7ed3\u679c\u4ecd\u4e3a\u81ea\u8eab）<\/p>\n

\u5229\u7528\u5f02\u6216\u7684\u7279\u6027，\u53ef\u4ee5\u5728\u4e0d\u521b\u5efa\u4e34\u65f6\u53d8\u91cf\u7684\u60c5\u51b5\u4e0b\u4ea4\u6362\u4e24\u4e2a\u53d8\u91cf\u7684\u503c<\/p>\n

int x = 10, y = 20;<\/p>\n

x = x ^ y; \/\/ \u6b65\u9aa41：x\u5b58\u50a8x\u548cy\u7684\u5dee\u5f02<\/p>\n

y = x ^ y; \/\/ \u6b65\u9aa42：y = (x^y) ^ y = x（\u5229\u7528\u81ea\u53cd\u6027\u548c\u6052\u7b49\u6027）<\/p>\n

x = x ^ y; \/\/ \u6b65\u9aa43：x = (x^y) ^ x = y（\u5b8c\u6210\u4ea4\u6362）<\/p>\n

\u91cd\u8f7d<\/p>\n

\u540c\u4e00\u4e2a\u7c7b\u4e2d\u5b9a\u4e49\u7684\u591a\u4e2a\u65b9\u6cd5，\u5982\u679c\u540c\u65f6\u6ee1\u8db3\u4e0b\u5217\u6761\u4ef6，\u5219\u6784\u6210\u65b9\u6cd5\u91cd\u8f7d：
\n\u591a\u4e2a\u65b9\u6cd5\u5728\u540c\u4e00\u4e2a\u7c7b\u4e2d
\n\u591a\u4e2a\u65b9\u6cd5\u5177\u6709\u76f8\u540c\u7684\u65b9\u6cd5\u540d
\n\u591a\u4e2a\u65b9\u6cd5\u7684\u53c2\u6570\u5217\u8868\u4e0d\u76f8\u540c（\u7c7b\u578b\u4e0d\u540c\u6216\u8005\u6570\u91cf\u4e0d\u540c）
\n\u91cd\u8f7d\u8ddf\u51fd\u6570\u7684\u8fd4\u56de\u503c\u7c7b\u578b\u65e0\u5173<\/p>\n

\/\/\u4e0b\u9762\u4e09\u4e2a\u6c42\u548c\u7684\u65b9\u6cd5\u5c31\u6784\u6210\u4e86\u91cd\u8f7d
\npublic class Test{
\n \u00a0 \u00a0\/\/\u91cd\u8f7d1：\u6c42\u4e24\u4e2aint\u7c7b\u578b\u6570\u636e\u548c\u7684\u65b9\u6cd5
\n \u00a0 \u00a0public static int sum(int a,int b) {
\n \u00a0 \u00a0 \u00a0 \u00a0return a + b;
\n \u00a0 }
\n \u00a0 \u00a0\/\/\u91cd\u8f7d2：\u6c42\u4e24\u4e2adouble\u7c7b\u578b\u6570\u636e\u548c\u7684\u65b9\u6cd5
\n \u00a0 \u00a0public static double sum(double a,double b) {
\n \u00a0 \u00a0 \u00a0 \u00a0return a + b;
\n \u00a0 }
\n \u00a0 \u00a0\/\/\u91cd\u8f7d3：\u6c42\u4e09\u4e2aint\u7c7b\u578b\u6570\u636e\u548c\u7684\u65b9\u6cd5
\n \u00a0 \u00a0public static int sum(int a,int b,int c) {
\n \u00a0 \u00a0 \u00a0 \u00a0return a + b + c;
\n \u00a0 }
\n \u00a0 \u00a0
\n \u00a0 \u00a0\/\/ \u6d4b\u8bd5
\n \u00a0 \u00a0public static void main(String[] args) {
\n \u00a0 \u00a0 \u00a0 \u00a0\/\/\u8c03\u7528\u65b9\u6cd5\u65f6，Java\u865a\u62df\u673a\u4f1a\u901a\u8fc7\u5b9e\u9645\u53c2\u6570\u7684\u4e0d\u540c\u6765\u533a\u5206\u540c\u540d\u7684\u65b9\u6cd5，\u4ece\u800c\u5b9e\u73b0\u7cbe\u51c6\u8c03\u7528
\n \u00a0 \u00a0 \u00a0 \u00a0int result = sum(10, 20);
\n \u00a0 \u00a0 \u00a0 \u00a0System.out.println(result);
\n \u00a0 \u00a0 \u00a0 \u00a0double result2 = sum(10.0, 20.0);
\n \u00a0 \u00a0 \u00a0 \u00a0System.out.println(result2);
\n \u00a0 \u00a0 \u00a0 \u00a0int result3 = sum(10, 20, 30);
\n \u00a0 \u00a0 \u00a0 \u00a0System.out.println(result3);
\n \u00a0 }
\n}<\/p>\n

\u65b9\u6cd5\u91cd\u8f7d\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u7b80\u5316\u65b9\u6cd5\u8c03\u7528\u3001\u51cf\u5c11\u547d\u540d\u51b2\u7a81\u3001\u63d0\u9ad8\u4ee3\u7801\u7684\u590d\u7528\u6027\u548c\u63d0\u4f9b\u7075\u6d3b\u6027\u3002\u8fd9\u4e9b\u4f18\u52bf\u4f7f\u5f97\u65b9\u6cd5\u91cd\u8f7d\u6210\u4e3aJava\u7f16\u7a0b\u4e2d\u5e38\u7528\u7684\u6280\u672f\u624b\u6bb5\u4e4b\u4e00\u3002<\/p>\n

\n

\u5bf9\u8c61<\/h3>\n

\u521b\u5efa\u5bf9\u8c61\u683c\u5f0f： \u7c7b\u540d \u5bf9\u8c61\u540d = new \u7c7b\u540d();
\n\u8c03\u7528\u6210\u5458\u683c\u5f0f： \u5bf9\u8c61\u540d.\u6210\u5458\u53d8\u91cf \u5bf9\u8c61\u540d.\u6210\u5458\u65b9\u6cd5();<\/p>\n

public class Test_Student {
\n \u00a0 \u00a0\/*
\n \u00a0 \u00a0 \u00a0 \u00a0\u521b\u5efa\u5bf9\u8c61\u7684\u683c\u5f0f:
\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u7c7b\u540d \u5bf9\u8c61\u540d = new \u7c7b\u540d();
\n \u00a0 \u00a0 \u00a0 \u00a0\u8c03\u7528\u6210\u5458\u53d8\u91cf\u7684\u683c\u5f0f:
\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u5bf9\u8c61\u540d.\u53d8\u91cf\u540d
\n \u00a0 \u00a0 \u00a0 \u00a0\u8c03\u7528\u6210\u5458\u65b9\u6cd5\u7684\u683c\u5f0f:
\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u5bf9\u8c61\u540d.\u65b9\u6cd5\u540d();
\n \u00a0 \u00a0 *\/
\n \/\/\u5047\u8bbe\u6211\u4eec\u7528\u4e0a\u9762\u7c7b\u4e2d\u4e3e\u4f8b\u90a3\u4e2aStudent\u7c7b
\n \u00a0 \u00a0public static void main(String[] args) {
\n \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u5b9e\u4f8b\u5316\u5bf9\u8c61
\n \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u56fa\u5b9a\u683c\u5f0f：\u7c7b\u540d \u5bf9\u8c61\u540d = new \u7c7b\u540d();
\n \u00a0 \u00a0 \u00a0 \u00a0Student stu = new Student();
\n \u00a0 \u00a0 \u00a0 \u00a0
\n \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u8f93\u51fa\u5bf9\u8c61\u5c5e\u6027\u7684\u9ed8\u8ba4\u503c
\n \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u5bf9\u8c61\u5c5e\u6027\u8bbf\u95ee\u683c\u5f0f：\u5bf9\u8c61\u540d.\u53d8\u91cf\u540d
\n \u00a0 \u00a0 \u00a0 \u00a0System.out.println(stu.name); \u00a0\/\/\u9ed8\u8ba4\u503c\u4e3a null
\n \u00a0 \u00a0 \u00a0 \u00a0System.out.println(stu.age); \u00a0 \/\/\u9ed8\u8ba4\u503c\u4e3a 0
\n \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u7ed9\u5bf9\u8c61\u5c5e\u6027\u8d4b\u503c
\n \u00a0 \u00a0 \u00a0 \u00a0stu.name = "\u5f20\u4e09";
\n \u00a0 \u00a0 \u00a0 \u00a0stu.age = 23;
\n \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u518d\u6b21\u8f93\u51fa\u5bf9\u8c61\u5c5e\u6027\u503c
\n \u00a0 \u00a0 \u00a0 \u00a0System.out.println(stu.name); \u00a0\/\/ \u5f20\u4e09
\n \u00a0 \u00a0 \u00a0 \u00a0System.out.println(stu.age); \u00a0 \/\/ 23
\n \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u5bf9\u8c61\u6210\u5458\u65b9\u6cd5\u8c03\u7528
\n \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u56fa\u5b9a\u683c\u5f0f：\u5bf9\u8c61\u540d.\u65b9\u6cd5\u540d(\u5b9e\u9645\u53c2\u6570\u5217\u8868);
\n \u00a0 \u00a0 \u00a0 \u00a0stu.sayHello();
\n \u00a0 \u00a0 \u00a0 \u00a0System.out.println(stu); \/\/\u8f93\u51fa\u8fd9\u4e2a\u5bf9\u8c61\u7684\u7ed3\u679c\u5c31\u662f\u4e00\u4e2a\u5730\u5740\u503c
\n \u00a0 }<\/p>\n

\u4e00\u822cJava\u7a0b\u5e8f\u4f1a\u5199\u4e24\u4e2a\u7c7b：\u57fa\u7840\u7c7b，\u6d4b\u8bd5\u7c7b
\n\u57fa\u7840\u7c7b\u5c31\u662f\u6211\u4eec\u8981\u5b9e\u73b0\u5c01\u88c5\u51fa\u6765\u7684\u90a3\u4e2a\u7c7b
\n\u6d4b\u8bd5\u7c7b\u5c31\u662f\u5305\u542bmain\u65b9\u6cd5\u7684\u7c7b
\n\u6ce8\u610f：\u53ea\u80fd\u5728\u4e00\u4e2a\u7c7b\u4e2d\u5b9a\u4e49main\u65b9\u6cd5，\u5176\u662f\u7a0b\u5e8f\u7684\u5165\u53e3，\u5fc5\u987b\u552f\u4e00<\/p>\n

\n

\u6211\u4eec\u770b\u5230，\u4f60\u76f4\u63a5\u521b\u5efa\u4e00\u4e2a\u5bf9\u8c61，\u5176\u5185\u5c5e\u6027\u90fd\u662f\u9ed8\u8ba4\u503c，\u8fd9\u5c31\u662f\u6210\u5458\u53d8\u91cf\u548c\u5c40\u90e8\u53d8\u91cf\u7684\u533a\u522b，\u5176\u533a\u522b\u5177\u4f53\u6709：<\/p>\n

\u5b9a\u4e49\u4f4d\u7f6e\u4e0d\u540c
\n\u6210\u5458\u53d8\u91cf：\u7c7b\u4e2d\u65b9\u6cd5\u5916
\n\u5c40\u90e8\u53d8\u91cf：\u65b9\u6cd5\u5185\u90e8\u6216\u65b9\u6cd5\u58f0\u660e\u4e0a（\u5f62\u53c2\u5217\u8868）
\n\u5185\u5b58\u4e2d\u4f4d\u7f6e\u4e0d\u540c
\n\u6210\u5458\u53d8\u91cf：\u5806\u5185\u5b58
\n\u5c40\u90e8\u53d8\u91cf：\u6808\u5185\u5b58
\n\u751f\u547d\u5468\u671f\u4e0d\u540c
\n\u6210\u5458\u53d8\u91cf：\u968f\u7740\u5bf9\u8c61\u7684\u5b58\u5728\u800c\u5b58\u5728，\u968f\u7740\u5bf9\u8c61\u7684\u6d88\u5931\u800c\u6d88\u5931
\n\u5c40\u90e8\u53d8\u91cf：\u968f\u7740\u65b9\u6cd5\u7684\u8c03\u7528\u800c\u5b58\u5728，\u968f\u7740\u65b9\u6cd5\u7684\u8c03\u7528\u5b8c\u6bd5\u800c\u6d88\u5931
\n\u521d\u59cb\u5316\u503c\u4e0d\u540c
\n\u6210\u5458\u53d8\u91cf：\u6709\u9ed8\u8ba4\u521d\u59cb\u5316\u503c
\n\u5c40\u90e8\u53d8\u91cf：\u6ca1\u6709\u9ed8\u8ba4\u521d\u59cb\u5316\u503c，\u5fc5\u987b\u5148\u5b9a\u4e49，\u8d4b\u503c\u624d\u80fd\u4f7f\u7528<\/p>\n

\n

\u7c7b\u548c\u5bf9\u8c61\u7684\u5173\u7cfb： \u901a\u8fc7\u524d\u9762\u7684\u5b66\u4e60\u53ef\u77e5，\u7c7b\u662f\u4e00\u7ec4\u76f8\u5173\u5c5e\u6027\u548c\u884c\u4e3a\u7684\u96c6\u5408，\u5b83\u662f\u5bf9\u67d0\u4e00\u79cd\u5177\u4f53\u4e8b\u7269\u7684\u62bd\u8c61\u63cf\u8ff0\u3002\u4e5f\u53ef\u4ee5\u628a\u7c7b\u770b\u4f5c\u4e00\u4e2a\u6a21\u677f，\u6211\u4eec\u4f7f\u7528\u7684\u5bf9\u8c61，\u5c31\u662f\u6309\u7167\u8fd9\u4e2a\u6a21\u677f\u4e2d\u7684\u5b9a\u4e49，\u6765\u8fdb \u884c\u521b\u5efa\u7684\u3002<\/p>\n

\u7c7b\u662f\u5bf9\u4e00\u7c7b\u4e8b\u7269\u7684\u63cf\u8ff0，\u662f\u62bd\u8c61\u7684
\n\u5bf9\u8c61\u662f\u4e00\u7c7b\u4e8b\u7269\u7684\u5b9e\u4f8b，\u662f\u5177\u4f53\u7684
\n\u7c7b\u662f\u5bf9\u8c61\u7684\u6a21\u677f，\u5bf9\u8c61\u662f\u7c7b\u7684\u5b9e\u4f53<\/p>\n

\u5bf9\u8c61\u5185\u5b58<\/h4>\n

\u5355\u4e2a\u5bf9\u8c61：<\/p>\n

public class Test{
\n public static void main(String[] args) {
\n \u00a0 \u00a0\/\/\u5b9e\u4f8b\u5316\u4e00\u4e2a\u5bf9\u8c61
\n \u00a0 \u00a0 \u00a0 \u00a0Student stu = new Student();\u00a0 \u00a0
\n \u00a0 \u00a0stu.name = "tom";
\n \u00a0 \u00a0stu.sayHello();
\n }
\n}<\/p>\n

<\/p>\n

\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b：
\n1. \u52a0\u8f7dStudent\u7c7b：\u628aStudent.class\u6587\u4ef6\u5185\u5bb9\u52a0\u8f7d\u5230\u65b9\u6cd5\u533a\u4e2d
\n2. \u52a0\u8f7dmain\u65b9\u6cd5\u5e76\u8fd0\u884c：\u6574\u4e2amain\u65b9\u6cd5\u7684\u4ee3\u7801\u90fd\u88ab\u52a0\u8f7d\u5230\u6808\u533a\u4e2d
\n3. \u521b\u5efa\u5f15\u7528\u7c7b\u578b\u53d8\u91cf：\u5728\u6808\u7a7a\u95f4\u4e2d\u5f00\u8f9f\u4e00\u5757\u5185\u5b58\u7a7a\u95f4，\u7528stu\u6807\u8bc6
\n4. \u5728\u5806\u4e2d\u5f00\u8f9f\u5185\u5b58\u521b\u5efa\u5bf9\u8c61，\u5e76\u7ed9\u5c5e\u6027\u8d4b\u4e0a\u9ed8\u8ba4\u521d\u59cb\u503c
\n5. \u5c06\u5806\u7a7a\u95f4\u5bf9\u8c61\u5185\u5b58\u5730\u5740\u503c\u653e\u5165stu\u6807\u8bc6\u7684\u5185\u5b58\u533a\u57df\u4e2d
\n6. \u5bf9\u8c61\u5c5e\u6027\u8d4b\u503c：\u5c06"tom"\u548c20\u653e\u5165\u5806\u7a7a\u95f4\u5bf9\u8c61\u5185\u5b58\u533a\u57df\u5185
\n7. \u5bf9\u8c61\u65b9\u6cd5\u8c03\u7528：\u627e\u5230\u65b9\u6cd5\u533asayHello\u65b9\u6cd5\u5bf9\u5e94\u7684\u4ee3\u7801，\u6267\u884c
\n8. main\u65b9\u6cd5\u7ee7\u7eed\u6267\u884c，\u9047\u5230 } ，\u7a0b\u5e8f\u6267\u884c\u7ed3\u675f<\/p>\n

\u4e0a\u8ff0\u6848\u4f8b\u4e2d，stu\u662f\u4e00\u4e2a\u5f15\u7528\u7c7b\u578b\u53d8\u91cf，\u5176\u5bf9\u5e94\u6808\u533a\u7684\u4e00\u5757\u5185\u5b58\u533a\u57df，\u5176\u4e2d\u653e\u7684\u662f\u4e00\u4e2a\u5f15\u7528\u503c（\u5730\u5740\u503c），\u901a\u8fc7\u8fd9\u4e2a\u5f15\u7528\u503c，\u7cfb\u7edf\u53ef\u4ee5\u627e\u5230\u5bf9\u8c61\u5b9e\u9645\u5f00\u8f9f\u7684\u5185\u5b58\u7a7a\u95f4（\u5806\u533a），\u8fdb\u800c\u8fdb\u884c\u5bf9\u8c61\u5c5e\u6027\u64cd\u4f5c\u6216\u65b9\u6cd5\u8c03\u7528\u3002<\/p>\n

\u591a\u4e2a\u5bf9\u8c61：<\/p>\n

public class Test{
\n public static void main(String[] args) {
\n \/\/\u521b\u5efa\u5bf9\u8c61s1
\n Student s1 = new Student();
\n \/\/\u7ed9\u5bf9\u8c61name\u5c5e\u6027\u8d4b\u503c
\n \u00a0 \u00a0s1.name = "lucy";
\n \/\/\u7b2c\u4e8c\u4e2a\u5bf9\u8c61
\n \u00a0 \u00a0Student s2 = new Student();
\n \u00a0 \u00a0s2.name = "jack";
\n \u00a0 \u00a0s2.age = 20;
\n \u00a0 \u00a0\/\/\u6765\u70b9\u52a8\u4f5c（\u65b9\u6cd5）
\n \u00a0 \u00a0s1.sayHello();
\n \u00a0 \u00a0s2.study();
\n }
\n}<\/p>\n

<\/p>\n

\u5bf9\u8c61\u5185\u5b58\u7ed3\u8bba：
\n\u7cfb\u7edf\u4f1a\u4e3a\u6bcf\u4e2a\u5bf9\u8c61\u5f00\u8f9f\u5355\u72ec\u7684\u5185\u5b58\u7a7a\u95f4（\u5806\u7a7a\u95f4），\u7528\u6765\u5b58\u50a8\u5bf9\u8c61\u7684\u5c5e\u6027\u3002
\n\u7c7b\u7684\u6210\u5458\u65b9\u6cd5\u5b58\u50a8\u5728\u65b9\u6cd5\u533a，\u53ea\u4fdd\u7559\u4e00\u4efd，\u53ea\u8981\u662f\u8be5\u7c7b\u7684\u5bf9\u8c61，\u90fd\u53ef\u4ee5\u8c03\u7528\u3002<\/p>\n

\n

\u5c01\u88c5\u7279\u6027<\/h2>\n

\u5c01\u88c5\u662f\u9762\u5411\u5bf9\u8c61\u4e09\u5927\u7279\u5f81\u4e4b\u4e00，\u53e6\u5916\u4e24\u4e2a\u662f\u7ee7\u627f，\u591a\u6001<\/p>\n

\u5c01\u88c5\u662f\u6307\u9690\u85cf\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u5b9e\u73b0\u7ec6\u8282，\u4ec5\u5bf9\u5916\u63d0\u4f9b\u516c\u5171\u8bbf\u95ee\u65b9\u5f0f\u3002
\n\u5176\u4f18\u70b9\u5982\u4e0b：
\n\u901a\u8fc7\u65b9\u6cd5\u6765\u63a7\u5236\u6210\u5458\u53d8\u91cf\u7684\u64cd\u4f5c，\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u5b89\u5168\u6027
\n\u628a\u4ee3\u7801\u7528\u65b9\u6cd5\u8fdb\u884c\u5c01\u88c5，\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u590d\u7528\u6027
\n\u9690\u85cf\u4ee3\u7801\u5b9e\u73b0\u7ec6\u8282，\u63d0\u4f9b\u516c\u5171\u8bbf\u95ee\u65b9\u5f0f，\u7b80\u5316\u64cd\u4f5c \u00a0<\/p>\n

\u5728\u751f\u6d3b\u4e2d，\u7535\u6e90\u63d2\u5ea7，\u5982\u679c\u4e0d\u5bf9\u7535\u6e90\u63d2\u5ea7\u5c01\u88c5，\u5e73\u65f6\u7528\u7535\u5c06\u4f1a\u5f88\u4e0d\u5b89\u5168，\u5bb9\u6613\u89e6\u7535；\u7b14\u8bb0\u672c\u5f00\u5173\u6309\u94ae，\u7528\u6237\u4e0d\u9700\u8981\u5173\u5fc3\u5f00\u673a\u5173\u673a\u5e95\u5c42\u90a3\u4e9b\u590d\u6742\u7684\u5b9e\u73b0\u7ec6\u8282，\u53ea\u9700\u8981\u77e5\u9053\u6309\u6309\u94ae\u53ef\u4ee5\u5f00\u5173\u673a\u5373\u53ef\u3002\u800c\u8fd9\u4e5f\u662f\u5c01\u88c5\u60f3\u8fbe\u5230\u7684\u7ed3\u679c(｡\u00ec _ \u00ed｡)<\/p>\n

\u4fee\u9970\u9650\u5236\u7b26<\/h4>\n

\u5728 Java \u4e2d，\u7528\u4e8e\u4fee\u9970\u7c7b\u3001\u5c5e\u6027\u3001\u65b9\u6cd5\u7684\u8bbf\u95ee\u63a7\u5236\u4fee\u9970\u7b26\u6709 4 \u4e2a，\u5b83\u4eec\u51b3\u5b9a\u4e86\u88ab\u4fee\u9970\u6210\u5458\u7684\u53ef\u8bbf\u95ee\u8303\u56f4（\u5373\u5176\u4ed6\u7c7b\u80fd\u5426\u8bbf\u95ee\u8be5\u6210\u5458）\u3002\u8fd9 4 \u4e2a\u4fee\u9970\u7b26\u6309\u8bbf\u95ee\u6743\u9650\u4ece\u5927\u5230\u5c0f\u6392\u5e8f\u4e3a：public\u3001protected\u3001default（\u9ed8\u8ba4，\u65e0\u5173\u952e\u5b57）\u3001private\u3002<\/p>\n\n\u4fee\u9970\u7b26\u540c\u4e00\u7c7b\u4e2d\u540c\u4e00\u5305\u4e2d（\u4e0d\u540c\u7c7b）\u4e0d\u540c\u5305\u7684\u5b50\u7c7b\u4e0d\u540c\u5305\u7684\u975e\u5b50\u7c7b<\/tr>\n\npublic<\/p>\nprotected<\/p>\ndefault<\/p>\nprivate<\/p>\n
\u53ef\u8bbf\u95ee<\/td>\n\u53ef\u8bbf\u95ee<\/td>\n\u53ef\u8bbf\u95ee<\/td>\n\u53ef\u8bbf\u95ee<\/td>\n<\/tr>\n
\n

\u53ef<\/p>\n<\/td>\n

\u53ef<\/td>\n\u53ef<\/td>\n\u4e0d\u53ef<\/td>\n<\/tr>\n
\u53ef<\/td>\n\u53ef<\/td>\n\u4e0d\u53ef<\/td>\n\u4e0d\u53ef<\/td>\n<\/tr>\n
\u53ef<\/td>\n\u4e0d\u53ef<\/td>\n\u4e0d\u53ef<\/td>\n\u4e0d\u53ef<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5c01\u88c5\u6b65\u9aa4：
\n1. \u4f7f\u7528private\u4fee\u9970\u6210\u5458\u53d8\u91cf
\n2. \u63d0\u4f9b\u5bf9\u5e94\u7684setXxx()\u3001getXxx()\u65b9\u6cd5，\u7528pubic\u4fee\u9970
\n3. \u5177\u4f53\u4f7f\u7528\u65f6，\u501f\u52a9\u5bf9\u8c61\u7684setXxx\u65b9\u6cd5\u7ed9\u5c5e\u6027\u8d4b\u503c，getXxx\u65b9\u6cd5\u83b7\u53d6\u5c5e\u6027\u503c<\/p>\n

\/\/\u94f6\u884c\u8d26\u6237\u7c7b
\nclass Account {
\n \/\/\u6b65\u9aa41：private\u4fee\u9970\u6570\u636e\u6210\u5458
\n private String id; \/\/\u5361\u53f7
\n private double balance; \/\/\u91d1\u989d<\/p>\n

\/\/\u6b65\u9aa42：\u5b9a\u4e49get|set\u65b9\u6cd5，\u4f7f\u7528public\u4fee\u9970
\n public void setBalance(double money) {
\n balance = money;
\n }<\/p>\n

public double getBalance() {
\n return balance;
\n }<\/p>\n

public void setId(String accountId) {
\n id = accountId;
\n }<\/p>\n

public String getId() {
\n return id;
\n }
\n}
\npublic class Test{
\n public static void main(String[] args) {
\n \/\/1.\u5b9e\u4f8b\u5316\u5bf9\u8c61，\u4f7f\u7528\u7cfb\u7edf\u63d0\u4f9b\u7684\u65e0\u53c2\u6784\u9020\u5668
\n Account acc = new Account();
\n \/\/2.\u5728\u7c7b\u5916\u901a\u8fc7\u5bf9\u8c61\u8bbf\u95ee\u79c1\u6709\u6570\u636e\u6210\u5458，\u7f16\u8bd1\u62a5\u9519
\n \/\/acc.id = "001";
\n \/\/acc.balance = 2000.5; <\/p>\n

\/\/\u6b65\u9aa43：\u5177\u4f53\u4f7f\u7528\u65f6，\u501f\u52a9\u5bf9\u8c61\u7684setXxx\u65b9\u6cd5\u7ed9\u5c5e\u6027\u8d4b\u503c，getXxx\u65b9\u6cd5\u83b7\u53d6\u5c5e\u6027\u503c
\n \/\/3.\u501f\u52a9set\u65b9\u6cd5\u8d4b\u503c
\n acc.setId("001");
\n acc.setBalance(2000.5)
\n \/\/4.\u501f\u52a9get\u65b9\u6cd5\u83b7\u53d6\u5c5e\u6027\u503c
\n System.out.println("\u5361\u53f7: " + acc.getId());
\n System.out.println("\u91d1\u989d: " + acc.getBalance());
\n }
\n}<\/p>\n

\u6784\u9020\u65b9\u6cd5<\/h4>\n

\u4e0a\u8ff0\u6848\u4f8b\u4e2d，\u6211\u4eec\u501f\u52a9set\u65b9\u6cd5\u7ed9\u5bf9\u8c61\u7684\u5c5e\u6027\u8d4b\u503c，\u5982\u679c\u5bf9\u8c61\u7684\u5c5e\u6027\u7279\u522b\u591a，\u670920\u4e2a，\u6211\u4eec\u96be\u9053\u6bcf\u6b21\u8981\u8c03\u752820\u4e2aset\u65b9\u6cd5\u8d4b\u521d\u503c\u5417？\u6709\u6ca1\u6709\u66f4\u597d\u7684\u521d\u59cb\u5316\u5c5e\u6027\u503c\u65b9\u6848(\u00b4｀;)？\u8fd9\u4e2a\u65f6\u5019\u5c31\u8981\u6709\u6784\u9020\u65b9\u6cd5<\/p>\n

\u6784\u9020\u65b9\u6cd5\u53ef\u4ee5\u5bf9\u5bf9\u8c61\u8fdb\u884c\u521d\u59cb\u5316\u64cd\u4f5c，\u5373\u4e3a\u5bf9\u8c61\u5f00\u8f9f\u5185\u5b58\u7a7a\u95f4\u7684\u65f6\u5019，\u7ed9\u5bf9\u8c61\u7684\u6210\u5458\u6210\u5458\u8d4b\u521d\u503c\u3002<\/p>\n

\u6784\u9020\u65b9\u6cd5\u683c\u5f0f：<\/p>\n

[\u4fee\u9970\u7b26] \u7c7b\u540d(\u53c2\u6570\u5217\u8868) {
\n \u00a0 \u00a0\u521d\u59cb\u5316\u8bed\u53e5s;
\n}<\/p>\n

\u6ce8\u610f\u4e8b\u9879：
\n\u6784\u9020\u65b9\u6cd5\u4e00\u822c\u4f7f\u7528 public \u4fee\u9970
\n\u6784\u9020\u65b9\u6cd5\u6ca1\u6709\u8fd4\u56de\u503c\u7c7b\u578b，\u8fde void \u90fd\u6ca1\u6709
\n\u6784\u9020\u65b9\u6cd5\u540d\u548c\u7c7b\u540d\u76f8\u540c（\u533a\u5206\u5927\u5c0f\u5199）
\n\u6784\u9020\u65b9\u6cd5\u53ef\u4ee5\u91cd\u8f7d<\/p>\n

\u6267\u884c\u65f6\u673a ：\u521b\u5efa\u5bf9\u8c61\u7684\u65f6\u5019\u8c03\u7528，\u6bcf\u521b\u5efa\u4e00\u6b21\u5bf9\u8c61，\u5c31\u4f1a\u6267\u884c\u4e00\u6b21\u6784\u9020\u65b9\u6cd5；\u4e0d\u80fd\u624b\u52a8\u8c03\u7528\u6784\u9020\u65b9\u6cd5<\/p>\n

class Student{
\n private String name;
\n private int age;
\n private String gander;
\n private String studentId;
\n public Student(){
\n }
\n public Student(String name, int age, String gander, String studentId) {
\n this.name = name;
\n this.age = age;
\n this.gander = gander;
\n this.studentId = studentId;
\n }
\n \/\/get\u548cset\u65b9\u6cd5\u53ca\u5176\u4ed6
\n}<\/p>\n

\u7528\u6237\u4e0d\u5b9a\u4e49\u6784\u9020\u65b9\u6cd5，\u7cfb\u7edf\u4f1a\u63d0\u4f9b\u4e00\u4e2a\u65e0\u53c2\u6784\u9020\u65b9\u6cd5
\n\u7528\u6237\u5b9a\u4e49\u6784\u9020\u65b9\u6cd5，\u7cfb\u7edf\u5219\u4e0d\u518d\u63d0\u4f9b\u65e0\u53c2\u6784\u9020\u65b9\u6cd5
\n\u7528\u6237\u4e0d\u9700\u8981\u4e5f\u4e0d\u53ef\u4ee5\u4e3b\u52a8\u8c03\u7528\u6784\u9020\u65b9\u6cd5，\u7cfb\u7edf\u4f1a\u81ea\u52a8\u8c03\u7528<\/p>\n

\u53ef\u4ee5\u770b\u5230\u6211\u5199\u4e86\u4e24\u4e2a\u6784\u9020\u65b9\u6cd5，\u4e00\u4e2a\u65e0\u53c2\u4e00\u4e2a\u5168\u53c2，\u8fd9\u6b63\u662f\u5176\u53ef\u4ee5\u91cd\u8f7d\u7684\u4f53\u73b0，\u4e5f\u662f\u4e3a\u4e86\u5e94\u5bf9\u4e0d\u540c\u60c5\u51b5（\u56e0\u4e3a\u7528\u6237\u5b9a\u4e49\u6784\u9020\u65b9\u6cd5，\u7cfb\u7edf\u5219\u4e0d\u518d\u63d0\u4f9b\u65e0\u53c2\u6784\u9020\u65b9\u6cd5，\u8fd9\u4e2a\u65f6\u5019\u76f4\u63a5new Student（）\u662f\u4e0d\u884c\u7684-\u4eba-）<\/p>\n

\u5bf9\u8c61\u521b\u5efa\u6b65\u9aa4：<\/p>\n

public static void main(String[] args) {
\n Student s = new Student(\u201czhang\u201d,23);
\n\/\/\u4e0d\u662f\u4e0a\u9762\u90a3\u4e2a，\u5047\u8bbe\u4e00\u4e2a\u5176\u4ed6\u7c7b，\u5927\u5bb6\u81ea\u5df1\u8111\u8865
\n}<\/p>\n

1. \u5c06Student.class\u6587\u4ef6\u52a0\u8f7d\u5230\u5185\u5b58\u65b9\u6cd5\u533a
\n2. \u5728main\u6808\u5e27\u5f00\u8f9f\u4e00\u5757\u5185\u5b58，\u7528s\u6807\u8bc6
\n3. \u5728\u5806\u4e2d\u5f00\u8f9f\u5185\u5b58\u521b\u5efa\u5bf9\u8c61
\n4. \u7ed9\u5c5e\u6027\u4ee5\u9ed8\u8ba4\u521d\u59cb\u503c（null，0）
\n5. \u5c5e\u6027\u8fdb\u884c\u663e\u5f0f\u521d\u59cb\u5316（\u5982\u679c\u5b58\u5728\u7684\u8bdd，\u6bd4\u5982 private int age = 10;）
\n6. \u8c03\u7528\u6784\u9020\u65b9\u6cd5，\u7528（"zhang"，23）\u7ed9\u5c5e\u6027\u8d4b\u503c
\n7. \u5c06\u5806\u4e2d\u5bf9\u8c61\u7684\u5185\u5b58\u5730\u5740\u8d4b\u503c\u7ed9s，\u5bf9\u8c61\u521b\u5efa\u5b8c\u6210<\/p>\n

\n

this\u5173\u952e\u5b57<\/h4>\n

set\u65b9\u6cd5\u4e2d，\u5982\u679c\u65b9\u6cd5\u7684\u5f62\u5f0f\u53c2\u6570\u540d\u8ddf\u7c7b\u6570\u636e\u6210\u5458\u540d\u76f8\u540c，\u5982\u4f55\u8fdb\u884c\u8d4b\u503c？<\/p>\n

\u6211\u4e0a\u9762\u7684\u6784\u9020\u65b9\u6cd5\u4e2d\u5df2\u7ecf\u7ed9\u51fa\u4e86\u7b54\u6848，\u7528\u4e86\u4e00\u4e2athis<\/p>\n

\u5728\u7c7b\u4e2d\u7684\u666e\u901a\u6210\u5458\u65b9\u6cd5\u4e2d，\u53ef\u4ee5\u4f7f\u7528this\u5173\u952e\u5b57，\u5176\u8868\u793a\u8c03\u7528\u5f53\u524d\u65b9\u6cd5\u7684\u5bf9\u8c61\u5f15\u7528，\u5373\u54ea\u4e2a\u5bf9\u8c61\u8c03\u7528\u8be5\u65b9\u6cd5，this\u5c31\u4ee3\u8868\u54ea\u4e00\u4e2a\u5bf9\u8c61\u3002<\/p>\n

this\u5173\u952e\u5b57\u7528\u6cd5：
\n\u5bf9\u6210\u5458\u53d8\u91cf\u548c\u5c40\u90e8\u53d8\u91cf\u8fdb\u884c\u533a\u5206–this.\u6570\u636e\u6210\u5458;
\n\u8c03\u7528\u7c7b\u4e2d\u7684\u6210\u5458\u65b9\u6cd5–this.\u6210\u5458\u65b9\u6cd5(\u5b9e\u9645\u53c2\u6570\u5217\u8868);
\n\u8c03\u7528\u7c7b\u4e2d\u7684\u5176\u4ed6\u6784\u9020\u5668–this(\u5b9e\u9645\u53c2\u6570\u5217\u8868);<\/p>\n

\u4e09\u4e2a\u613f\u671b\u4e00\u6b21\u6ee1\u8db3😋：<\/p>\n

public class Student {
\n \/\/ \u6210\u5458\u53d8\u91cf
\n private String name;
\n private int age;
\n \/\/ \u65e0\u53c2\u6784\u9020\u5668
\n public Student() {
\n }
\n \/\/ \u5e26\u53c2\u6784\u9020\u5668（\u63a5\u6536\u59d3\u540d）
\n public Student(String name) {
\n \/\/ \u8c03\u7528\u672c\u7c7b\u7684\u53e6\u4e00\u4e2a\u5e26\u53c2\u6784\u9020\u5668，this\u5fc5\u987b\u5199\u5728\u7b2c\u4e00\u884c
\n this(name, 0);
\n }
\n \/\/ \u5168\u53c2\u6784\u9020\u5668（\u63a5\u6536\u59d3\u540d\u548c\u5e74\u9f84）
\n public Student(String name, int age) {
\n \/\/ \u4f7f\u7528this.\u6210\u5458\u53d8\u91cf\u533a\u5206\u6210\u5458\u53d8\u91cf\u548c\u5c40\u90e8\u53d8\u91cf（\u53c2\u6570\u540d\u4e0e\u6210\u5458\u53d8\u91cf\u540d\u76f8\u540c）
\n this.name = name; \/\/ this.name\u6307\u5411\u6210\u5458\u53d8\u91cf，name\u662f\u6784\u9020\u5668\u53c2\u6570（\u5c40\u90e8\u53d8\u91cf）
\n this.age = age;
\n }
\n \/\/ \u6210\u5458\u65b9\u6cd5：\u8bbe\u7f6e\u5b66\u751f\u4fe1\u606f
\n public void setStudentInfo(String name, int age) {
\n this.name = name;
\n this.age = age;
\n \/\/ \u4f7f\u7528this.\u6210\u5458\u65b9\u6cd5()\u8c03\u7528\u672c\u7c7b\u7684\u5176\u4ed6\u6210\u5458\u65b9\u6cd5
\n this.showStudentInfo(); \/\/ \u7b49\u4ef7\u4e8e showStudentInfo()，\u52a0this\u66f4\u6e05\u6670
\n }
\n \/\/ \u6210\u5458\u65b9\u6cd5：\u5c55\u793a\u5b66\u751f\u4fe1\u606f
\n public void showStudentInfo() {
\n System.out.println("\u59d3\u540d：" + this.name + "，\u5e74\u9f84：" + this.age);
\n }
\n public static void main(String[] args) {
\n \/\/ \u6d4b\u8bd5\u6784\u9020\u5668\u4e2d\u7684this\u8c03\u7528
\n System.out.println("—–\u6d4b\u8bd5\u65e0\u53c2\u6784\u9020\u5668—–");
\n Student s1 = new Student();
\n System.out.println("\\\\n—–\u6d4b\u8bd5\u5355\u53c2\u6570\u6784\u9020\u5668—–");
\n Student s2 = new Student("\u5f20\u4e09");
\n System.out.println("\\\\n—–\u6d4b\u8bd5\u6210\u5458\u65b9\u6cd5\u4e2d\u7684this—–");
\n Student s3 = new Student();
\n s3.setStudentInfo("\u674e\u56db", 20); \/\/ \u8c03\u7528\u65b9\u6cd5\u65f6\u4f1a\u89e6\u53d1this.\u6210\u5458\u53d8\u91cf\u548cthis.\u6210\u5458\u65b9\u6cd5
\n }
\n}<\/p>\n

\u6ce8\u610f： this(\u5b9e\u9645\u53c2\u6570\u5217\u8868) \u5fc5\u987b\u662f\u6784\u9020\u65b9\u6cd5\u4e2d\u7684\u7b2c\u4e00\u884c\u6709\u6548\u4ee3\u7801\u3002<\/p>\n

\n

\u603b\u7ed3<\/h2>\n

Java \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u6838\u5fc3，\u662f\u7528 \u201c\u5bf9\u8c61\u201d \u5c01\u88c5\u73b0\u5b9e\u4e16\u754c\u7684\u5b9e\u4f53，\u901a\u8fc7\u5c5e\u6027（\u7279\u5f81）\u548c\u65b9\u6cd5（\u884c\u4e3a）\u7684\u7ec4\u5408，\u8ba9\u4ee3\u7801\u50cf\u73b0\u5b9e\u534f\u4f5c\u4e00\u6837\u89e3\u51b3\u95ee\u9898\u3002\u6bd4\u8d77\u9762\u5411\u8fc7\u7a0b\u4e00\u6b65\u6b65\u62c6\u89e3\u6b65\u9aa4，\u5b83\u66f4\u50cf\u5728\u7f16\u6392\u4e00\u573a \u201c\u5bf9\u8c61\u5927\u620f\u201d\u2014\u2014 \u6bd4\u5982\u7f51\u8d2d\u65f6，\u201c\u7528\u6237\u201d\u201cAPP\u201d\u201c\u652f\u4ed8\u7cfb\u7edf\u201d \u5404\u53f8\u5176\u804c，\u901a\u8fc7\u4ea4\u4e92\u5b8c\u6210\u6d41\u7a0b，\u800c\u975e\u4ece\u5934\u5230\u5c3e\u7531\u4e00\u4e32\u6b65\u9aa4\u786c\u62fc\u3002<\/p>\n

\u7c7b\u662f\u5bf9\u8c61\u7684 \u201c\u8bbe\u8ba1\u56fe\u201d，\u5b9a\u4e49\u4e86\u901a\u7528\u5c5e\u6027\u548c\u65b9\u6cd5；\u5bf9\u8c61\u5219\u662f\u6309\u56fe\u9020\u51fa\u7684 \u201c\u5b9e\u4f53\u201d，\u5e26\u7740\u5177\u4f53\u6570\u636e\u53c2\u4e0e\u534f\u4f5c\u3002\u5c01\u88c5\u901a\u8fc7 private \u9690\u85cf\u7ec6\u8282\u3001public \u66b4\u9732\u63a5\u53e3，\u8ba9\u5bf9\u8c61\u66f4\u5b89\u5168；this \u5173\u952e\u5b57\u7406\u987a\u53d8\u91cf\u548c\u65b9\u6cd5\u7684\u5f52\u5c5e；\u6784\u9020\u65b9\u6cd5\u5219\u7ed9\u5bf9\u8c61 \u201c\u51fa\u751f\u201d \u65f6\u5c31\u6253\u597d\u57fa\u7840\u3002\u8fd9\u4e00\u5957\u601d\u7ef4\u8ba9\u590d\u6742\u7cfb\u7edf\u62c6\u89e3\u6210\u53ef\u590d\u7528\u7684\u5bf9\u8c61\u6a21\u5757，\u65e2\u7b26\u5408\u4eba\u7c7b\u5bf9\u5b9e\u4f53\u534f\u4f5c\u7684\u8ba4\u77e5，\u4e5f\u8ba9\u4ee3\u7801\u66f4\u6613\u7ef4\u62a4 \u2014\u2014 \u6bd5\u7adf，\u6307\u6325\u5bf9\u8c61\u505a\u4e8b，\u603b\u6bd4\u81ea\u5df1\u5305\u63fd\u6240\u6709\u6b65\u9aa4\u66f4\u8f7b\u677e\u3002<\/p>\n

\n

\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5e2e\u5230\u4f60，\u975e\u5e38\u611f\u8c22\u5404\u4f4d\u7684\u70b9\u8d5e\u3001\u6536\u85cf\u4e0e\u5173\u6ce8，\u5927\u5bb6\u4e5f\u53ef\u4ee5\u5728\u8bc4\u8bba\u533a\u53ca\u65f6\u6307\u51fa\u9519\u8bef\u3002
\n\u8fd9\u7bc7\u6587\u7ae0\u6211\u4e3a\u5927\u5bb6\u603b\u7ed3\u4e86Java\u9762\u5411\u5bf9\u8c61\u57fa\u7840，\u4ece\u8fd9\u7bc7\u5f00\u59cb，\u6211\u4f1a\u4f9d\u6b21\u4e3a\u5927\u5bb6\u4ecb\u7ecdstatic\u3001\u7ee7\u627f\u3001\u591a\u6001\u3001\u62bd\u8c61\u3001\u63a5\u53e3\u3001\u5185\u90e8\u7c7b\u7b49，\u5e2e\u52a9\u5927\u5bb6\u7406\u89e3\u9762\u5411\u5bf9\u8c61\u662f\u5982\u4f55\u8d2f\u7a7f Java \u8bed\u8a00\u8bbe\u8ba1\u7684\u59cb\u7ec8，Java \u7a0b\u5e8f\u7684\u54ea\u4e9b\u6784\u5efa\u56f4\u7ed5\u5176\u5c55\u5f00，\u5927\u5bb6\u53ef\u4ee5\u5173\u6ce8\u4e00\u624b，\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u7684<(￣\ufe36￣)\/<\/p>\n

\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

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