{"id":65760,"date":"2025-05-03T11:20:38","date_gmt":"2025-05-03T03:20:38","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65760\/"},"modified":"2025-05-03T11:20:38","modified_gmt":"2025-05-03T03:20:38","slug":"java%e6%80%8e%e4%b9%88%e5%bb%ba%e4%b8%80%e7%bb%b4%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65760\/","title":{"rendered":"java\u600e\u4e48\u5efa\u4e00\u7ef4\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u521b\u5efa\u4e00\u7ef4\u6570\u7ec4\u7684\u8bed\u6cd5\u662f\uff1aint[] myarray = new int[size]\u3002\u6570\u7ec4\u7c7b\u578b\u7531\u5143\u7d20\u7c7b\u578b\u51b3\u5b9a\uff0c\u6570\u7ec4\u5927\u5c0f\u5728\u521b\u5efa\u65f6\u6307\u5b9a\uff0c\u5143\u7d20\u9ed8\u8ba4\u521d\u59cb\u5316\u4e3a 0\uff0c\u5143\u7d20\u4f7f\u7528\u4e0b\u6807\u8bbf\u95ee\uff0c\u4e0b\u6807\u4ece 0 \u5f00\u59cb\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111309244522161.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5efa\u4e00\u7ef4\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5efa\u4e00\u7ef4\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u7528 Java \u521b\u5efa\u4e00\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u5f00\u95e8\u89c1\u5c71\uff1a<\/strong><\/p>\n<p>\u5728 Java \u4e2d\u521b\u5efa\u4e00\u7ef4\u6570\u7ec4\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>int[] myArray = new int[size];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>myArray \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n<li>int \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7c7b\u578b\u3002<\/li>\n<li>size \u662f\u6570\u7ec4\u7684\u5927\u5c0f\uff08\u5373\u5143\u7d20\u6570\u91cf\uff09\u3002<\/li>\n<\/ul>\n<p><strong>\u8be6\u7ec6\u5c55\u5f00\uff1a<\/strong><\/p>\n<ol>\n<li> <strong>\u6570\u7ec4\u7c7b\u578b\uff1a<\/strong>\u6570\u7ec4\u7684\u7c7b\u578b\u7531\u6240\u5305\u542b\u5143\u7d20\u7684\u7c7b\u578b\u51b3\u5b9a\u3002\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6570\u7ec4 myArray \u5c06\u5305\u542b\u6574\u6570\uff08int\uff09\u3002<\/li>\n<li> <strong>\u6570\u7ec4\u5927\u5c0f\uff1a<\/strong>\u6570\u7ec4\u7684\u5927\u5c0f\u5728\u521b\u5efa\u6570\u7ec4\u65f6\u786e\u5b9a\u3002\u5b83\u6307\u5b9a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002\u6570\u7ec4\u7684\u957f\u5ea6\u4e00\u65e6\u521b\u5efa\u5c31\u4e0d\u80fd\u66f4\u6539\u3002<\/li>\n<li> <strong>\u5143\u7d20\u521d\u59cb\u5316\uff1a<\/strong>\u521b\u5efa\u6570\u7ec4\u65f6\uff0c\u5143\u7d20\u4f1a\u81ea\u52a8\u521d\u59cb\u5316\u4e3a\u9ed8\u8ba4\u503c\u3002\u5bf9\u4e8e\u6574\u6570\u6570\u7ec4\uff0c\u9ed8\u8ba4\u503c\u4e3a 0\u3002\u60a8\u53ef\u4ee5\u7a0d\u540e\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 ([]) \u8bbf\u95ee\u548c\u8bbe\u7f6e\u5143\u7d20\u7684\u503c\u3002<\/li>\n<li> <strong>\u6570\u7ec4\u4e0b\u6807\uff1a<\/strong>\u6570\u7ec4\u5143\u7d20\u4f7f\u7528\u4e0b\u6807\u8bbf\u95ee\u3002\u4e0b\u6807\u4ece 0 \u5f00\u59cb\uff0c\u8303\u56f4\u4e3a 0 \u5230 size-1\u3002\u4f8b\u5982\uff0c\u8981\u8bbf\u95ee myArray \u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528 myArray[0]\u3002<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a 5 \u7684\u6574\u6570\u6570\u7ec4\nint[] myArray = new int[5];\n\n\/\/ \u5c06\u7b2c\u4e00\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a 10\nmyArray[0] = 10;\n\n\/\/ \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\nSystem.out.println(myArray[0]); \/\/ \u8f93\u51fa\uff1a10<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5efa\u4e00\u7ef4\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 java \u4e2d\u521b\u5efa\u4e00\u7ef4\u6570\u7ec4\u7684\u8bed\u6cd5\u662f\uff1aint[] myarray = new int[size]\u3002\u6570\u7ec4\u7c7b\u578b\u7531\u5143\u7d20\u7c7b\u578b\u51b3\u5b9a\uff0c\u6570\u7ec4\u5927\u5c0f\u5728\u521b\u5efa\u65f6\u6307\u5b9a\uff0c\u5143\u7d20\u9ed8\u8ba4\u521d\u59cb\u5316\u4e3a 0\uff0c\u5143\u7d20\u4f7f\u7528\u4e0b\u6807\u8bbf\u95ee\uff0c\u4e0b\u6807\u4ece 0 \u5f00\u59cb\u3002 \u5982\u4f55\u7528 Java \u521b\u5efa\u4e00\u7ef4\u6570\u7ec4 \u5f00\u95e8\u89c1\u5c71\uff1a \u5728 Java \u4e2d\u521b\u5efa\u4e00\u7ef4\u6570\u7ec4\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a int[] myArray = new int[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b myArray \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 int \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7c7b\u578b\u3002 size \u662f\u6570\u7ec4\u7684\u5927\u5c0f\uff08\u5373\u5143\u7d20\u6570\u91cf\uff09\u3002 \u8be6\u7ec6\u5c55\u5f00\uff1a \u6570\u7ec4\u7c7b\u578b\uff1a\u6570\u7ec4\u7684\u7c7b\u578b\u7531\u6240\u5305\u542b\u5143\u7d20\u7684\u7c7b\u578b\u51b3\u5b9a\u3002\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6570\u7ec4 myArray \u5c06\u5305\u542b\u6574\u6570\uff08int\uff09\u3002 \u6570\u7ec4\u5927\u5c0f\uff1a\u6570\u7ec4\u7684\u5927\u5c0f\u5728\u521b\u5efa\u6570\u7ec4\u65f6\u786e\u5b9a\u3002\u5b83\u6307\u5b9a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002\u6570\u7ec4\u7684\u957f\u5ea6\u4e00\u65e6\u521b\u5efa\u5c31\u4e0d\u80fd\u66f4\u6539\u3002 \u5143\u7d20\u521d\u59cb\u5316\uff1a\u521b\u5efa\u6570\u7ec4\u65f6\uff0c\u5143\u7d20\u4f1a\u81ea\u52a8\u521d\u59cb\u5316\u4e3a\u9ed8\u8ba4\u503c\u3002\u5bf9\u4e8e\u6574\u6570\u6570\u7ec4\uff0c\u9ed8\u8ba4\u503c\u4e3a 0\u3002\u60a8\u53ef\u4ee5\u7a0d\u540e\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 ([]) \u8bbf\u95ee\u548c\u8bbe\u7f6e\u5143\u7d20\u7684\u503c\u3002 \u6570\u7ec4\u4e0b\u6807\uff1a\u6570\u7ec4\u5143\u7d20\u4f7f\u7528\u4e0b\u6807\u8bbf\u95ee\u3002\u4e0b\u6807\u4ece 0 \u5f00\u59cb\uff0c\u8303\u56f4\u4e3a 0 \u5230 size-1\u3002\u4f8b\u5982\uff0c\u8981\u8bbf\u95ee myArray \u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528 myArray[0]\u3002 \u793a\u4f8b\uff1a \/\/ \u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a 5 \u7684\u6574\u6570\u6570\u7ec4 int[] [&hellip;]<\/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-65760","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65760","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=65760"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65760\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65760"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}