{"id":104694,"date":"2026-09-13T01:09:13","date_gmt":"2026-09-12T17:09:13","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/104694.html"},"modified":"2026-09-13T01:09:13","modified_gmt":"2026-09-12T17:09:13","slug":"java%e7%a8%8b%e5%ba%8f-java%e7%a8%8b%e5%ba%8f%e6%95%b2%e5%87%bahello-world%ef%bc%8c%e9%82%a3%e4%b8%80%e5%88%bb%e6%88%91%e7%ab%9f%e7%84%b6%e6%bf%80%e5%8a%a8%e5%88%b0%e6%b3%aa%e5%b4%a9","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/104694.html","title":{"rendered":"java\u7a0b\u5e8f Java\u7a0b\u5e8f\u6572\u51faHello World\uff0c\u90a3\u4e00\u523b\u6211\u7adf\u7136\u6fc0\u52a8\u5230\u6cea\u5d29"},"content":{"rendered":"

Java JDK, JRE\u548c \u5f00\u53d1\u73af\u5883\u5b89\u88c5<\/p>\n

Java \u5165\u95e8\u7a0b\u5e8f<\/p>\n

\u60a8\u4f1a\u5728\u672c\u6559\u7a0b\u91cc, \u5b66\u4e60\u8fd0\u7528Java\u53bb\u7f16\u5199\u201cHello World\u201d\u7a0b\u5e8f\u3002<\/p>\n

\u5728\u5c4f\u5e55\u4e0a\u8f93\u51fa\u7684\u7b80\u5355\u7a0b\u5e8f\u662f\u201cHello, World!\u201d , \u56e0\u4e3a\u5b83\u662f\u4e2a\u6781\u4e3a\u7b80\u5355\u7684\u7a0b\u5e8f, \u6240\u4ee5\u5e38\u5e38\u88ab\u7528\u6765\u7ed9\u65b0\u624b\u4ecb\u7ecd\u4e00\u79cd\u65b0\u7684\u7f16\u7a0b\u8bed\u8a00\u3002<\/p>\n

\u5c06\u6211\u4eec\u6765\u5bf9Java\u201cHello, World!\u201d \u7a0b\u5e8f\u5c55\u5f00\u4e00\u756a\u63a2\u8ba8, \u8fdb\u884c\u4e00\u4e0b\u4ea4\u6d41\u53ef\u597d, \u4f60\u89c9\u5f97\u600e\u4e48\u6837, \u4f60\u5bf9\u6b64\u6709\u4ec0\u4e48\u770b\u6cd5\u3002<\/p>\n

\u5982\u679c\u6253\u7b97\u5728\u8ba1\u7b97\u673a\u4e4b\u4e0a\u8fd0\u884c\u8fd9\u4e2a\u7a0b\u5e8f，\u90a3\u5c31\u8981\u4fdd\u8bc1\u628aJava\u6b63\u786e\u5b89\u88c5\u8d77\u6765\u3002\u6b64\u5916, \u60a8\u9700\u8981\u4e00\u4e2aIDE, \u6216\u8005\u662f\u6587\u672c\u7f16\u8f91\u5668, \u7528\u4ee5\u7f16\u5199\u4ee5\u53ca\u7f16\u8f91Java\u4ee3\u7801\u3002<\/p>\n

Java\u201cHello, World!\u201d\u7a0b\u5e8f<\/p>\n

\/\/\u60a8\u7684\u7b2c\u4e00\u4e2a\u7a0b\u5e8f
\nclass\u00a0HelloWorld\u00a0{
\n\u00a0\u00a0\u00a0\u00a0public\u00a0static\u00a0void\u00a0main(String[]\u00a0args)\u00a0{
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println("Hello,\u00a0World!");\u00a0
\n\u00a0\u00a0\u00a0\u00a0}
\n}<\/p>\n

\u5047\u8bbe\u60a8\u5bf9\u8fd9\u6bb5\u4ee3\u7801\u8fdb\u884c\u4e86\u590d\u5236\u64cd\u4f5c, \u90a3\u4e48\u60a8\u5c31\u9700\u8981\u628a\u6587\u4ef6\u540d\u4ee5\u53e6\u5b58\u4e3a\u7684\u65b9\u5f0f\u4fdd\u5b58\u4e3a.java\u683c\u5f0f\u3002\u4e4b\u6240\u4ee5\u8981\u8fd9\u6837\u505a, \u662f\u7531\u4e8e\u5728Java\u8fd9\u4e2a\u7f16\u7a0b\u8bed\u8a00\u91cc, \u7c7b\u540d\u8ddf\u6587\u4ef6\u540d\u5e94\u5f53\u4fdd\u6301\u4e00\u81f4\u3002<\/p>\n

\u8fd0\u884c\u8be5\u7a0b\u5e8f\u65f6，\u8f93\u51fa\u4e3a：<\/p>\n

Hello,\u00a0World!<\/p>\n

Java\u7684\u201cHello, World!\u201d\u793a\u4f8b\u7a0b\u5e8f\u8bf4\u660e:<\/p>\n

\/\/ \u60a8\u7684\u7b2c\u4e00\u4e2a\u7a0b\u5e8f<\/p>\n

\u5728Java\u91cc\u5934, \u5b58\u5728\u4e00\u4e2a\u60c5\u51b5, \u90a3\u5c31\u662f\u4efb\u4f55\u4ee5\u7279\u5b9a\u7b26\u53f7\u5f00\u5934\u7684\u884c, \u4e5f\u5c31\u662f\/\/, \u5b83\u6240\u4ee3\u8868\u7684\u90fd\u662f\u6ce8\u91ca\u3002\u6ce8\u91ca\u7684\u4f5c\u7528\u5728\u4e8e\u4f9b\u7528\u6237\u53bb\u9605\u8bfb\u4ee3\u7801, \u8fdb\u800c\u80fd\u591f\u66f4\u597d\u5730\u7406\u89e3\u7a0b\u5e8f\u5230\u5e95\u6709\u7740\u600e\u6837\u7684\u610f\u56fe\u4ee5\u53ca\u5177\u5907\u4e0d\u5177\u5907\u76f8\u5e94\u7684\u529f\u80fd\u3002\u800cJava\u7f16\u8bd1\u5668, \u8bf7\u6ce8\u610f, \u5b83\u662f\u4e00\u79cd\u5c06Java\u7a0b\u5e8f\u8f6c\u6362\u4e3a\u8ba1\u7b97\u673a\u80fd\u591f\u8fd0\u884c\u7684\u72b6\u6001\u4e5f\u5c31\u662fJava\u5b57\u8282\u7801\u7684\u5e94\u7528\u7a0b\u5e8f, \u8fd9\u4e2a\u7f16\u8bd1\u5668\u4f1a\u628a\u6ce8\u91ca\u5b8c\u5168\u5ffd\u7565\u6389\u7684\u3002\u8981\u662f\u60f3\u8981\u53bb\u4e86\u89e3\u589e\u591a\u7684\u4fe1\u606f, \u90a3\u5c31\u9700\u8981\u5230Java\u6ce8\u91ca\u90a3\u91cc\u53bb\u67e5\u8be2\u3002<\/p>\n

class { … }<\/p>\n

\u5728Java\u91cc\u5934, \u6bcf\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u90fd\u662f\u4ece\u7c7b\u5b9a\u4e49\u5f00\u59cb\u7684, \u4e8e\u7a0b\u5e8f\u5f53\u4e2d, \u90a3\u662f\u7c7b\u7684\u540d\u5b57, \u800c\u4e14\u7c7b\u5b9a\u4e49\u662f\u3002<\/p>\n

class\u00a0HelloWorld\u00a0{
\n…\u00a0..\u00a0…
\n}<\/p>\n

\u5f53\u524d, \u8981\u7262\u8bb0, \u6bcf\u4e00\u4e2aJava\u5e94\u7528\u7a0b\u5e8f, \u5b58\u5728\u4e00\u4e2a\u7c7b\u5b9a\u4e49, \u800c\u4e14, \u8be5\u7c7b\u7684\u540d\u79f0, \u8981\u8ddfJava\u91cc\u9762\u7684\u6587\u4ef6\u540d\u76f8\u5339\u914d\u3002<\/p>\n

void main( args) { … }<\/p>\n

\u8fd9\u4e2a, \u662f\u4e3b\u8981\u7684\u65b9\u6cd5, \u7528Java\u7f16\u5199\u7684\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u90fd\u5fc5\u7136\u8981\u5305\u542bmain\u65b9\u6cd5, Java\u7f16\u8bd1\u5668\u5f00\u59cb\u4ecemain\u65b9\u6cd5\u7740\u624b\u6267\u884c\u4ee3\u7801\u3002<\/p>\n

\u5b83\u5de5\u4f5c\u7684\u65b9\u5f0f\u662f\u600e\u6837\u7684? \u8fd9\u662f\u4e2a\u4e0d\u9519\u7684\u95ee\u9898\u3002\u7136\u800c, \u6211\u4eec\u4e0d\u4f1a\u5728\u8fd9\u7bc7\u6587\u7ae0\u5f53\u4e2d\u5c55\u5f00\u8ba8\u8bba\u3002\u6bd5\u7adf, \u8fd9\u5c5e\u4e8e\u5411\u65b0\u624b\u4ecb\u7ecdJava \u7f16\u7a0b\u8bed\u8a00\u9002\u7528\u7684\u57fa\u7840\u7a0b\u5e8f\u3002\u5728\u540e\u7eed\u7684\u7ae0\u8282\u91cc, \u6211\u4eec\u4f1a\u53bb\u5b66\u4e60void\u7b49\u7b49\u6240\u5177\u5907\u7684\u542b\u4e49, \u8fd8\u6709\u65b9\u6cd5\u8fd0\u884c\u7684\u65b9\u5f0f\u662f\u600e\u6837\u7684?<\/p>\n

\"Java\u5165\u95e8\u6559\u7a0b\u5f00\u53d1\u73af\u5883\u5b89\u88c5_JavaHelloWorld\u7a0b\u5e8f\u7f16\u5199_java\u7a0b\u5e8f\"<\/p>\n

\u81f3\u6b64, \u8bf7\u7262\u8bb0, main\u65b9\u6cd5\u4e43\u662fJava\u5e94\u7528\u7a0b\u5e8f\u7684\u5165\u53e3\u4e4b\u5904, \u4e14\u5728Java\u7a0b\u5e8f\u91cc\u662f\u4e0d\u53ef\u6216\u7f3a\u7684, \u800cJava\u4e4b\u4e2d\u4e3b\u8981\u529e\u6cd5\u7684\u7b7e\u7f72\u5f62\u5f0f\u4e3a:<\/p>\n<\/p>\n

public\u00a0static\u00a0void\u00a0main(String[]\u00a0args)\u00a0{
\n…\u00a0..\u00a0…
\n}<\/p>\n

.out.("Hello, World!");<\/p>\n

\u90a3\u79cd\u4ee3\u7801\u4f1a\u628a\u5f15\u53f7\u5f53\u4e2d\u5305\u542b\u7684\u5b57\u7b26\u4e32Hello, World!, \u6253\u5370\u81f3\u6807\u51c6\u8f93\u51fa\u4e5f\u5c31\u662f\u60a8\u7684\u5c4f\u5e55\u3002\u7559\u610f\u4e00\u4e0b, \u8fd9\u4e2a\u8bed\u53e5\u5904\u5728\u4e3b\u51fd\u6570\u7684\u5185\u90e8, \u800c\u4e3b\u51fd\u6570\u662f\u5728\u7c7b\u5b9a\u4e49\u7684\u5185\u90e8\u3002<\/p>\n

\u6ce8\u610f\u4e8b\u9879<\/p>\n

\u8fd9\u662f\u4e0d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\u7684\u6709\u6548Java\u7a0b\u5e8f\u3002<\/p>\n

public\u00a0class\u00a0HelloWorld\u00a0{
\n\u00a0\u00a0\u00a0\u00a0public\u00a0static\u00a0void\u00a0main(String[]\u00a0args)\u00a0{
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u5728\u8fd9\u91cc\u7f16\u5199\u4ee3\u7801
\n\u00a0\u00a0\u00a0\u00a0}
\n}<\/p>\n

\u5018\u82e5\u60a8\u6b64\u65f6\u6b64\u523b\u4f9d\u7136\u6ca1\u80fd\u9886\u4f1aclass\u3001\u3001\u65b9\u6cd5\u7b49\u8fd9\u4e9b\u6240\u8574\u542b\u7684\u610f\u4e49, \u90a3\u5c31\u65e0\u9700\u5fe7\u5fc3\u5fe1\u5fe1\u3002\u6211\u4eec\u4f1a\u4e8e\u540e\u7eed\u7684\u7ae0\u8282\u4e4b\u4e2d\u5c55\u5f00\u8be6\u5c3d\u7684\u63a2\u8ba8\u3002Java JDK, JRE\u548c \u5f00\u53d1\u73af\u5883\u5b89\u88c5！p2G.ShricGs.cN
\nowU.ShricGs.cN
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