{"id":11,"date":"2021-08-11T11:04:35","date_gmt":"2021-08-11T03:04:35","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/javav2\/?p=11"},"modified":"2021-08-23T13:48:47","modified_gmt":"2021-08-23T05:48:47","slug":"java%e4%b9%8bhelloworld","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/javav2\/post-11.html","title":{"rendered":"java\u4e4bHelloWorld"},"content":{"rendered":"\n<p>\u7f16\u5199\u4e00\u4e2aHelloWorld.java\u6587\u4ef6\uff0c\u5e76\u5199\u5982\u4e0b\u4ee3\u7801<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.util.Scanner;\n\npublic class HelloWorld {\n    public static void main(String&#91;] args) {\n        Scanner sc = new Scanner(System.in);\n        System.out.println(\"\u8bf7\u8f93\u5165\u59d3\u540d\uff1a\");\n        String name = sc.next();\n        System.out.println(\"\u4f60\u597d\uff0c\"+name+\"\uff0c\u60a8\u6b63\u5728\u4f7f\u7528Java\u7a0b\u5e8f\u3002\");\n    }\n}<\/code><\/pre>\n\n\n\n<p>\u5728\u6b64\u7a0b\u5e8f\u4e2d\uff0c\u7b2c\u4e00\u884c\u662fimport\uff0c\u8868\u793a\u5bfc\u5165java.util\u5305\u7684Scanner\u7c7b\uff0c\u5728java\u4e2d\u6240\u6709\u4ee3\u7801\u90fd\u5b58\u5728\u7c7b\u4e2d<\/p>\n\n\n\n<p>\u7a0b\u5e8f\u7684\u7b2c\u4e09\u884c\u662f\u7c7b\u7684\u5b9a\u4e49\uff0cpublic\u662f\u6743\u9650\u4fee\u9970\u7b26\uff0c\u5728\u8fd9\u91cc\u5b83\u4fee\u9970\u7684\u662f\u7c7b\uff08class\uff09\uff0c\u4f7f\u7528class\u5173\u952e\u5b57\u8868\u793a\u4e00\u4e2a\u7c7b\uff0cHelloWorld\u662f\u7c7b\u540d<\/p>\n\n\n\n<p>\u7c7b\u7684\u6743\u9650\u4fee\u9970\u7b26\u6709<\/p>\n\n\n\n<ul><li>public<\/li><li>protected<\/li><li>default<\/li><li>private<\/li><\/ul>\n\n\n\n<p>\u5173\u4e8e\u6743\u9650\u4fee\u9970\u7b26\u7684\u66f4\u591a\u5185\u5bb9\u4e0d\u5728\u672c\u7ae0\u8282\u3002\u6211\u4eec\u9700\u8981\u77e5\u9053\uff0c\u4e00\u4e2ajava\u6587\u4ef6\u4e2d\uff08\u4ee5.java\u4e3a\u540e\u7f00\uff09\uff0c\u53ef\u4ee5\u6709\u591a\u4e2a\u7c7b\uff0c\u6709\u4e14\u4ec5\u6709\u4e00\u4e2apublic\u4fee\u9970\u7684\u7c7b\uff0c\u8be5\u7c7b\u540d\u5fc5\u987b\u4e0e\u6587\u4ef6\u540d\u76f8\u540c\u3002<\/p>\n\n\n\n<p>\u7a0b\u5e8f\u7684\u7b2c\u56db\u884c\uff0c\u662fmain\u65b9\u6cd5\uff0c\u662f\u7a0b\u5e8f\u7684\u5165\u53e3\uff0c\u5b83\u7684\u4e66\u5199\u89c4\u5219\u662f\u56fa\u5b9a\u7684\uff0c\u6bcf\u4e2a\u7c7b\u4e2d\u6700\u591a\u6709\u4e00\u4e2amain\uff0c\u683c\u5f0f\u7b80\u8bb0\u4e3apsvm\uff0c\u53c2\u6570\u662fString[]\u7c7b\u578b\uff0c\u5f62\u5f0f\u53c2\u6570args\u662f\u552f\u4e00\u53ef\u4ee5\u6539\u53d8\u7684\u503c<\/p>\n\n\n\n<p>ps\uff1a\u6bcf\u4e2a\u7a0b\u5e8f\u90fd\u9700\u8981\u4e00\u4e2a\u5165\u53e3\u5730\u5740\uff0c\u4ee5\u53ca\u7a0b\u5e8f\u7ed3\u675f\u7684\u8fd4\u56de\uff0c\u5728\u8fd9\u91ccmain\u662f\u5165\u53e3\uff0c\u800c\u7ed3\u675f\u7684\u8fd4\u56de\u7531java\u81ea\u52a8\u5b8c\u6210\u3002<\/p>\n\n\n\n<p>\u7a0b\u5e8f\u7684\u7b2c\u4e94\u884c\uff0c\u521b\u5efa\u4e86\u4e00\u4e2aScanner\u7c7b\u7684\u5b9e\u4f8bsc\uff0c\u5728\u7b2c\u4e03\u884c\u4f7f\u7528\u8be5\u5b9e\u4f8b\u7684next()\u65b9\u6cd5\u4ece\u63a7\u5236\u53f0\uff08\u547d\u4ee4\u884c\uff09\u83b7\u53d6\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u4ee5\u56de\u8f66\u7ed3\u675f\uff0c\u5e76\u4fdd\u5b58\u5230name\u53d8\u91cf\u4e2d\u3002<\/p>\n\n\n\n<p>\u7a0b\u5e8f\u7684\u7b2c\u516d\u884c\uff0c\u5411\u63a7\u5236\u53f0\u8f93\u51fa\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u7b2c\u516b\u884c\u4e5f\u662f\u6253\u5370\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u5728\u8fd9\u91cc\uff0cSystem\u7c7b\u662fjava.lang\u5305\u4e0b\u7684\u7c7b\uff0c\u5b83\u4e0d\u9700\u8981\u5bfc\u5165\u5373\u53ef\u4f7f\u7528\u3002\u6b64\u5916\uff0cjava\u4e2d\u53ef\u4ee5\u4f7f\u7528+\u975e\u5e38\u7b80\u5355\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\uff0c\u4efb\u4f55\u4e0e\u5b57\u7b26\u4e32\u4f7f\u7528+\u8fd0\u7b97\u7b26\u90fd\u4f1a\u4f7f\u7ed3\u679c\u53d8\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7f16\u5199\u4e00\u4e2aHelloWorld.java\u6587\u4ef6\uff0c\u5e76\u5199\u5982\u4e0b\u4ee3\u7801 \u5728\u6b64\u7a0b\u5e8f\u4e2d\uff0c\u7b2c\u4e00\u884c\u662fimport\uff0c\u8868\u793a\u5bfc\u5165java.&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/javav2\/post-11.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">java\u4e4bHelloWorld<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"_links":{"self":[{"href":"https:\/\/www.52dixiaowo.com\/javav2\/wp-json\/wp\/v2\/posts\/11"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/javav2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/javav2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/javav2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/javav2\/wp-json\/wp\/v2\/comments?post=11"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/javav2\/wp-json\/wp\/v2\/posts\/11\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/javav2\/wp-json\/wp\/v2\/media?parent=11"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/javav2\/wp-json\/wp\/v2\/categories?post=11"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/javav2\/wp-json\/wp\/v2\/tags?post=11"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}