{"id":65548,"date":"2025-05-03T17:02:19","date_gmt":"2025-05-03T09:02:19","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65548\/"},"modified":"2025-05-03T17:02:19","modified_gmt":"2025-05-03T09:02:19","slug":"java%e7%a8%8b%e5%ba%8f%e9%87%8c%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e4%bd%bf%e7%94%a8-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65548\/","title":{"rendered":"java\u7a0b\u5e8f\u91cc\u6570\u7ec4\u600e\u4e48\u4f7f\u7528"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff1a\u6570\u7ec4\u7528\u4e8e\u5b58\u50a8\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u636e\u96c6\u5408\u3002\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\u3002\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u3002\u6570\u7ec4\u53ef\u4ee5\u662f\u591a\u7ef4\u7684\u3002\u4f18\u70b9\uff1a\u5feb\u901f\u8bbf\u95ee\uff0c\u5185\u5b58\u6548\u7387\uff0c\u7c7b\u578b\u5b89\u5168\u6027\u3002\u7f3a\u70b9\uff1a\u56fa\u5b9a\u957f\u5ea6\uff0c\u63d2\u5165\/\u5220\u9664\u64cd\u4f5c\u5f00\u9500\u9ad8\u3002\n<\/p><\/blockquote>\n

\"java\u7a0b\u5e8f\u91cc\u6570\u7ec4\u600e\u4e48\u4f7f\u7528\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u6570\u7ec4\u7684\u4f7f\u7528<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u56fa\u5b9a\u957f\u5ea6\u7684\u76f8\u540c\u7c7b\u578b\u6570\u636e\u7684\u6709\u5e8f\u96c6\u5408\u3002<\/p>\n

\u521b\u5efa\u6570\u7ec4<\/strong><\/p>\n

int[] myArray = new int[5]; \/\/ \u521b\u5efa\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684 int \u578b\u6570\u7ec4<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8bbf\u95ee\u5143\u7d20<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n
myArray[0] = 10; \/\/ \u5c06\u7b2c\u4e00\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a 10\nint firstElement = myArray[0]; \/\/ \u83b7\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u904d\u5386\u6570\u7ec4<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff1a<\/p>\n
for (int i = 0; i < myArray.length; i++) {\n    System.out.println(myArray[i]);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u591a\u7ef4\u6570\u7ec4<\/strong><\/p>\n
Java \u4e2d\u7684\u6570\u7ec4\u53ef\u4ee5\u662f\u591a\u7ef4\u7684\uff0c\u8fd9\u610f\u5473\u7740\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u672c\u8eab\u4e5f\u53ef\u4ee5\u662f\u6570\u7ec4\uff1a<\/p>\n
int[][] my2DArray = new int[2][3]; \/\/ \u521b\u5efa\u4e00\u4e2a 2 \u884c 3 \u5217\u7684\u4e8c\u7ef4 int \u578b\u6570\u7ec4\nmy2DArray[0][0] = 1; \/\/ \u8bbe\u7f6e\u7b2c\u4e00\u884c\u7b2c\u4e00\u5217\u7684\u503c\u4e3a 1<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6570\u7ec4\u7684\u4f18\u70b9<\/strong><\/p>\n
    \n
  •  \u5feb\u901f\u8bbf\u95ee\uff1a<\/strong>\u901a\u8fc7\u7d22\u5f15\u53ef\u4ee5\u5feb\u901f\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002<\/li>\n
  •  \u5185\u5b58\u6548\u7387\uff1a<\/strong>\u6570\u7ec4\u5728\u5185\u5b58\u4e2d\u662f\u8fde\u7eed\u5b58\u50a8\u7684\uff0c\u8fd9\u53ef\u4ee5\u63d0\u9ad8\u5185\u5b58\u4f7f\u7528\u6548\u7387\u3002<\/li>\n
  •  \u7c7b\u578b\u5b89\u5168\u6027\uff1a<\/strong>\u6570\u7ec4\u4e2d\u53ea\u80fd\u5b58\u50a8\u6307\u5b9a\u7c7b\u578b\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n
    \u6570\u7ec4\u7684\u7f3a\u70b9<\/strong><\/p>\n
      \n
    •  \u56fa\u5b9a\u957f\u5ea6\uff1a<\/strong>\u6570\u7ec4\u7684\u957f\u5ea6\u5728\u521b\u5efa\u65f6\u786e\u5b9a\uff0c\u65e0\u6cd5\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u4fee\u6539\u3002<\/li>\n
    •  \u63d2\u5165\u548c\u5220\u9664\u5143\u7d20\u7684\u5f00\u9500\u9ad8\uff1a<\/strong>\u5728\u6570\u7ec4\u4e2d\u95f4\u63d2\u5165\u6216\u5220\u9664\u4e00\u4e2a\u5143\u7d20\u9700\u8981\u5bf9\u6570\u7ec4\u8fdb\u884c\u91cd\u65b0\u5206\u914d\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u3002<\/li>\n<\/ul>\n
      \u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n
        \n
      • \u5c3d\u53ef\u80fd\u4f7f\u7528\u96c6\u5408\u7c7b\uff08\u5982 ArrayList\uff09\uff0c\u5b83\u4eec\u63d0\u4f9b\u4e86\u52a8\u6001\u5927\u5c0f\u548c\u63d2\u5165\/\u5220\u9664\u64cd\u4f5c\u7684\u7075\u6d3b\u6027\u3002<\/li>\n
      • \u5982\u679c\u786e\u5b9e\u9700\u8981\u4f7f\u7528\u6570\u7ec4\uff0c\u8bf7\u4f7f\u7528\u5408\u9002\u7684\u5927\u5c0f\u5e76\u9884\u5148\u5bf9\u5176\u8fdb\u884c\u521d\u59cb\u5316\u3002<\/li>\n
      • \u907f\u514d\u5728\u5faa\u73af\u4e2d\u521b\u5efa\u548c\u9500\u6bc1\u6570\u7ec4\uff0c\u56e0\u4e3a\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u3002<\/li>\n<\/ul>\n
        \u4ee5\u4e0a\u5c31\u662fjava\u7a0b\u5e8f\u91cc\u6570\u7ec4\u600e\u4e48\u4f7f\u7528\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u5728 java \u4e2d\uff1a\u6570\u7ec4\u7528\u4e8e\u5b58\u50a8\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u636e\u96c6\u5408\u3002\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\u3002\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u3002\u6570\u7ec4\u53ef\u4ee5\u662f\u591a\u7ef4\u7684\u3002\u4f18\u70b9\uff1a\u5feb\u901f\u8bbf\u95ee\uff0c\u5185\u5b58\u6548\u7387\uff0c\u7c7b\u578b\u5b89\u5168\u6027\u3002\u7f3a\u70b9\uff1a\u56fa\u5b9a\u957f\u5ea6\uff0c\u63d2\u5165\/\u5220\u9664\u64cd\u4f5c\u5f00\u9500\u9ad8\u3002 Java \u4e2d\u6570\u7ec4\u7684\u4f7f\u7528 \u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u56fa\u5b9a\u957f\u5ea6\u7684\u76f8\u540c\u7c7b\u578b\u6570\u636e\u7684\u6709\u5e8f\u96c6\u5408\u3002 \u521b\u5efa\u6570\u7ec4 int[] myArray = new int[5]; \/\/ \u521b\u5efa\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684 int \u578b\u6570\u7ec4 \u767b\u5f55\u540e\u590d\u5236 \u8bbf\u95ee\u5143\u7d20 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a myArray[0] = 10; \/\/ \u5c06\u7b2c\u4e00\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a 10 int firstElement = myArray[0]; \/\/ \u83b7\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c \u767b\u5f55\u540e\u590d\u5236 \u904d\u5386\u6570\u7ec4 \u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff1a for (int i = 0; i < myArray.length; i++) { System.out.println(myArray[i]); } \u767b\u5f55\u540e\u590d\u5236 \u591a\u7ef4\u6570\u7ec4 Java \u4e2d\u7684\u6570\u7ec4\u53ef\u4ee5\u662f\u591a\u7ef4\u7684\uff0c\u8fd9\u610f\u5473\u7740\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u672c\u8eab\u4e5f\u53ef\u4ee5\u662f\u6570\u7ec4\uff1a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-65548","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65548","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=65548"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65548\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65548"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65548"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65548"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}