{"id":31178,"date":"2023-05-10T04:38:59","date_gmt":"2023-10-22T06:29:47","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e7%ac%94%e8%ae%b0\/"},"modified":"2025-08-12T22:42:29","modified_gmt":"2025-08-12T14:42:29","slug":"%e3%80%90java%e3%80%91%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e7%ac%94%e8%ae%b0\/","title":{"rendered":"\u3010Java\u3011\u7b14\u8bb0"},"content":{"rendered":"<h2>\u57fa\u672c<br \/>\n\u6839\u672c<\/h2>\n<p>\u663e\u793a\u6587\u5b57<\/p>\n<pre class=\"post-pre\"><code>System.out.println(\"\");\r\n<\/code><\/pre>\n<p>\u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5<br \/>\n\u5728\u6ca1\u6709\u8f93\u51fa\u65f6\u4f7f\u7528<\/p>\n<pre class=\"post-pre\"><code>void hoge   \r\n<\/code><\/pre>\n<p>\u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5<\/p>\n<pre class=\"post-pre\"><code>public void\r\n\r\n\r\n\r\n\r\n\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>abstract...\u62bd\u8c61\u30af\u30e9\u30b9\u3001\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u3002\u7d99\u627f\u3055\u308c\u3066\u5b9f\u88c5\u3092\u8a18\u8ff0\u3055\u308c\u3066\u521d\u3081\u3066\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u53ef\u80fd\u3068\u306a\u308b\u3002\r\nstatic...\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3066\u3082\u3057\u306a\u304f\u3066\u3082\u5229\u7528\u53ef\u80fd\u306a\u30af\u30e9\u30b9\u56fa\u6709\u306e\u30e1\u30f3\u30d0\u30fc\u3002\r\nfinal...\u7d99\u627f\u3067\u304d\u305a\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3067\u304d\u306a\u3044\u30e1\u30f3\u30d0\u30fc\u3002\u30b3\u30a2\u30fb\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30af\u30e9\u30b9\u306f\u6b86\u3069 final\u3002\r\nstrictfp...FP \u53b3\u5bc6\u3002\u4e0d\u52d5\u5c0f\u6570\u70b9\u6570\u304c CPU \u306e\u51e6\u7406\u7cfb\u306b\u4f9d\u5b58\u305b\u305a\u306b\u53b3\u5bc6\u306b\u540c\u3058\u6f14\u7b97\u7d50\u679c\u3068\u306a\u308b\u3002\r\ntransient...\u76f4\u5217\u5316\uff08\u30b7\u30ea\u30a2\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\uff09\u4e0d\u53ef\u80fd\u3002JVM \u306e\u5916\u90e8\u306b\u66f8\u304d\u51fa\u3057\u4e0d\u80fd\u306a\u30e1\u30f3\u30d0\u30fc\u3002\r\nvolatile...\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u306b\u3088\u308b\u30a2\u30af\u30bb\u30b9\u6642\u306b\u3001\u5fc5\u305a\u30de\u30b9\u30bf\u30fc\u30b3\u30d4\u30fc\u3068\u540c\u671f\u3092\u53d6\u308b\u3002\r\n<\/code><\/pre>\n<p>\u5b9a\u4e49\u65b9\u6cd5<\/p>\n<pre class=\"post-pre\"><code>public static\r\n<\/code><\/pre>\n<p>\u4f7f\u7528\u5173\u952e\u8bcd&#8221;new&#8221;\u53ef\u4ee5\u4ece\u300c\u7c7b\u300d\u521b\u5efa\u300c\u5b9e\u4f8b\u300d\u3002<\/p>\n<pre class=\"post-pre\"><code> PiggyBank bank = new PiggyBank();\r\n<\/code><\/pre>\n<p>\u8981\u5b9e\u4f8b\u5316\u4e00\u4e2a\u7c7b\uff0c\u9700\u8981\u8fdb\u884c\u58f0\u660e\u548c\u521b\u5efa\u3002<\/p>\n<p>\uff08\u65b9\u6848\u4e00\uff09<\/p>\n<pre class=\"post-pre\"><code>AnotherClassSample anotherClass;                         \r\nanotherClass= new AnotherClassSample ();    \r\n<\/code><\/pre>\n<p>\uff08\u7b2c\u4e8c\u79cd\u65b9\u6cd5\uff09<\/p>\n<pre class=\"post-pre\"><code>AnotherClassSample anotherClass = new AnotherClassSample();\r\n<\/code><\/pre>\n<p>\u4f7f\u7528\u6307\u5b9a\u683c\u5f0f\u5c06\u6570\u503c\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n<pre class=\"post-pre\"><code>System.out.println(hoge.toString());\r\n<\/code><\/pre>\n<p>\u5982\u679c\u8981\u58f0\u660e\u5c5e\u4e8e\u540d\u4e3afoo\u7684\u5305\uff0c\u5e94\u8be5\u5c06\u5176\u5199\u5728\u25cb\u25cb\u25cb.java\u6587\u4ef6\u7684\u5f00\u5934\u3002<\/p>\n<pre class=\"post-pre\"><code>package foo;\r\n\r\n<\/code><\/pre>\n<p>\u5982\u679c\u60f3\u4f7f\u7528foo\u5305\u4e2d\u7684MyClass\u7c7b\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u5bfc\u5165\u58f0\u660e\u3002<\/p>\n<pre class=\"post-pre\"><code>import foo.MyClass;\r\n<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\u4f7f\u7528package\u5185\u7684\u591a\u4e2a\u7c7b\uff0c\u8bf7<\/p>\n<pre class=\"post-pre\"><code>import foo.*;\r\n<\/code><\/pre>\n<h3>\u65b9\u6cd5\u7684\u91cd\u8f7d de<\/h3>\n<p>\u5982\u679c\u5904\u7406\u7684\u5185\u5bb9\u76f8\u540c\uff0c\u53ef\u4ee5\u7ed9\u5b83\u4eec\u53d6\u76f8\u540c\u7684\u65b9\u6cd5\u540d\u3002<\/p>\n<pre class=\"post-pre\"><code>public void printName(){}\r\npublic void printName(String firstName, String lastName){}\r\npublic void printName(String name){}\r\n<\/code><\/pre>\n<h2>\u9664\u5916\u7684\u5185\u5bb9<\/h2>\n<p>\u6982\u8981\uff1a\u5f53\u8bd5\u56fe\u8fdb\u884c\u96f6\u9664\u4ee5\u64cd\u4f5c\u65f6<\/p>\n<pre class=\"post-pre\"><code>ArithmeticException \r\n<\/code><\/pre>\n<p>\u5f53\u65e0\u6cd5\u5c06\u5b57\u7b26\u8f6c\u6362\u4e3a\u6570\u5b57\u65f6<\/p>\n<pre class=\"post-pre\"><code>NumberFormatException \r\n<\/code><\/pre>\n<p>\u5f53\u8bd5\u56fe\u8bbf\u95ee\u6570\u7ec4\u8303\u56f4\u4e4b\u5916\u65f6<\/p>\n<pre class=\"post-pre\"><code>ArrayIndexOutOfBoundsException \r\n<\/code><\/pre>\n<h2>\u58f0\u660e\u65b9\u5f0f<\/h2>\n<p>\u5982\u679c\u60f3\u8981\u5728\u5176\u4ed6\u7c7b\u4e2d\u6539\u53d8\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u201cpublic\u201d\u3002<\/p>\n<pre class=\"post-pre\"><code>public\r\n<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u4e0d\u60f3\u5728\u5176\u4ed6\u7c7b\u4e2d\u968f\u610f\u6539\u53d8\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528&#8221;private&#8221;\u3002<\/p>\n<pre class=\"post-pre\"><code>private\r\n<\/code><\/pre>\n<h2>\u53c2\u8003\u7db2\u7ad9<\/h2>\n<h3>\u5165\u95e8\u7f51\u7ad9<\/h3>\n<p>\u30fb\u6700\u7b80\u5355\u7684Java\u5165\u95e8<br \/>\n\u30fb\u4e3a\u521d\u5b66\u8005\u7684Java\u6559\u7a0b<br \/>\n\u30fbjavadrive<br \/>\n\u30fb\u89e3\u51b3\u95ee\u9898\u65f6\u7684\u6545\u969c\u6392\u9664<\/p>\n<h3>\u6587\u4ef6<\/h3>\n<p>\u30fb Java SE API \u6587\u4ef6<br \/>\n\u30fb \u6838\u5fc3 API \u6587\u4ef6 8<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u672c \u6839\u672c \u663e\u793a\u6587\u5b57 System.out.println(&#8220;&#8221;); \u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5 \u5728\u6ca1\u6709\u8f93\u51fa\u65f6\u4f7f\u7528 void [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31178","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010Java\u3011\u7b14\u8bb0 - Blog - Silicon Cloud<\/title>\n<meta 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