{"id":31406,"date":"2023-01-21T14:05:05","date_gmt":"2023-12-16T02:54:56","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%af%ad%e6%b3%95-2\/"},"modified":"2025-08-12T23:52:43","modified_gmt":"2025-08-12T15:52:43","slug":"java%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%af%ad%e6%b3%95-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%af%ad%e6%b3%95-2\/","title":{"rendered":"Java\u7684\u57fa\u672c\u8bed\u6cd5"},"content":{"rendered":"

Java\u7684\u57fa\u672c\u8bed\u6cd5<\/h2>\n

\u5728\u5b66\u6821\u4e3b\u8981\u5b66\u4e60Ruby\uff0c\u4f46\u901a\u8fc7\u4f01\u4e1a\u7684\u4efb\u52a1\uff0c\u6211\u7b2c\u4e00\u6b21\u63a5\u89e6\u5230\u4e86Java\uff0c\u73b0\u5728\u6211\u5c06\u5f00\u59cb\u8f93\u51fa\u3002<\/p>\n

Java\u7684\u7ed3\u6784<\/h2>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n

Main.java\u4e2d\u9664\u4e86\u5305\u542b\u8f93\u51fa\u6307\u4ee4\u5916\uff0c\u8fd8\u5305\u542b\u5176\u4ed6\u4ee3\u7801\u3002\u8fd9\u4e9b\u4ee3\u7801\u53ef\u4ee5\u5206\u4e3a\u7c7b\u90e8\u5206\u3001\u65b9\u6cd5\u90e8\u5206\u548c\u65b9\u6cd5\u5185\u7684\u5904\u7406\u90e8\u5206\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n

\u65bd\u5c55\u624d\u80fd<\/h2>\n

\u5728 System.out.println() \u7684\u62ec\u53f7\u5185\u8f93\u5165\u6587\u5b57\uff0c\u6587\u5b57\u5c06\u88ab\u663e\u793a\u51fa\u6765\u3002
\n\u8bf7\u6ce8\u610f\uff0c\u5982\u679c\u5c06\u5b57\u7b26\u4e32\u4e0d\u52a0\u53cc\u5f15\u53f7(“”)\u62ec\u8d77\u6765\uff0c\u5219\u4e0d\u4f1a\u8f93\u51fa\u3002<\/p>\n

class Main {\r\n  public static void main(String[] args){\r\n    System.out.println(\"Hello Java\");\r\n  }\r\n}\r\n\r\n=> \"Hello Java\"\r\n<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u5b57\u7b26\u4e32\u4e2d\u7684”3″\u548c\u6570\u5b573\uff08\u4e0d\u5e26\u5f15\u53f7\uff09\u5c06\u88ab\u89c6\u4e3a\u4e0d\u540c\u7684\u5bf9\u8c61\u3002\u800c\u4e14\u5c31\u50cf\u4e0b\u56fe\u663e\u793a\u7684\u4e00\u6837\uff0c5 + 2\u4f1a\u5f97\u52307\uff0c\u4f46\u662f”5 + 2″\u4f1a\u88ab\u8f93\u51fa\u4e3a\u539f\u6837\u7684\u5b57\u7b26\u4e32\u300c5 + 2\u300d\u3002<\/p>\n
class Main {\r\n  public static void main(String[] args) {\r\n    System.out.println(17);\r\n  }\r\n}\r\n\r\n=> 17\r\n<\/code><\/pre>\n
\u7559\u8a00<\/h2>\n
\u5728\u4ee3\u7801\u4e2d\u53ef\u4ee5\u5199\u6ce8\u91ca\u3002
\n\u6ce8\u91ca\u5728\u4ee3\u7801\u6267\u884c\u65f6\u90fd\u4f1a\u88ab\u5ffd\u7565\uff0c\u53ef\u4ee5\u7528\u4e8e\u7559\u4e0b\u5907\u6ce8\u7b49\u3002
\n\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528”\/\/”\u6765\u8868\u793a\u6ce8\u91ca\uff0c\u4ece\u8be5\u7b26\u53f7\u540e\u5230\u884c\u672b\u90fd\u4f1a\u88ab\u89c6\u4e3a\u6ce8\u91ca\u3002<\/p>\n
class Main {\r\n  public static void main(String[] args) {\r\n    \/\/\u3053\u306e\u6587\u7ae0\u3092\u30b3\u30e1\u30f3\u30c8\u306b\u3057\u307e\u3059\r\n  }\r\n}\r\n<\/code><\/pre>\n
\u6570\u5b66\u56db\u5219\u8fd0\u7b97<\/h2>\n
\u52a0\u6cd5\u4e3a\u201c+\u201d
\n\u51cf\u6cd5\u4e3a\u201c-\u201d
\n\u4e58\u6cd5\u4e3a\u201c\u00d7\u201d\uff08\u661f\u53f7\uff09
\n\u9664\u6cd5\u4e3a\u201c\/\u201d\uff08\u659c\u6760\uff09
\n\u6c42\u4f59\u6570\u4e3a\u201c%\u201d<\/p>\n
class Main {\r\n  public static void main(String[] args) {\r\n    System.out.println(1 + 3);\r\n    System.out.println(5 - 3);\r\n    System.out.println(12 \/ 3);\r\n    System.out.println(3 * 6);\r\n    System.out.println(8 % 3);\r\n  }\r\n}\r\n\r\n=> 4\r\n=> 2\r\n=> 4\r\n=> 18\r\n=> 2\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
Java\u7684\u57fa\u672c\u8bed\u6cd5 \u5728\u5b66\u6821\u4e3b\u8981\u5b66\u4e60Ruby\uff0c\u4f46\u901a\u8fc7\u4f01\u4e1a\u7684\u4efb\u52a1\uff0c\u6211\u7b2c\u4e00\u6b21\u63a5\u89e6\u5230\u4e86Java\uff0c\u73b0\u5728\u6211\u5c06\u5f00\u59cb\u8f93\u51fa\u3002 J […]<\/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-31406","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\nJava\u7684\u57fa\u672c\u8bed\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8eJava\u7684\u57fa\u672c\u8bed\u6cd5\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u7684\u57fa\u672c\u8bed\u6cd5-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u7684\u57fa\u672c\u8bed\u6cd5\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8eJava\u7684\u57fa\u672c\u8bed\u6cd5\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u7684\u57fa\u672c\u8bed\u6cd5-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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