{"id":65963,"date":"2025-05-03T11:51:28","date_gmt":"2025-05-03T03:51:28","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65963\/"},"modified":"2025-05-03T11:51:28","modified_gmt":"2025-05-03T03:51:28","slug":"java%e6%80%8e%e4%b9%88%e6%8c%87%e5%ae%9a%e6%95%b0%e7%bb%84%e7%9a%84%e9%95%bf%e5%ba%a6-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65963\/","title":{"rendered":"java\u600e\u4e48\u6307\u5b9a\u6570\u7ec4\u7684\u957f\u5ea6"},"content":{"rendered":"<blockquote><p>\n  \u521b\u5efa java \u6570\u7ec4\u65f6\uff0c\u5fc5\u987b\u6307\u5b9a\u5176\u957f\u5ea6\uff0c\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a\u521d\u59cb\u5316\u6570\u7ec4\u65f6\u58f0\u660e\u957f\u5ea6\uff1aint[] myarray = new int[5];\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u957f\u5ea6\uff1aint[] myarray = new int[] {1, 2, 3, 4, 5};\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111317333019069.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u6307\u5b9a\u6570\u7ec4\u7684\u957f\u5ea6\u63d2\u56fe\" alt=\"java\u600e\u4e48\u6307\u5b9a\u6570\u7ec4\u7684\u957f\u5ea6\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u6307\u5b9a Java \u6570\u7ec4\u7684\u957f\u5ea6<\/strong><\/p>\n<p>\u521b\u5efa Java \u6570\u7ec4\u65f6\uff0c\u5fc5\u987b\u6307\u5b9a\u5176\u957f\u5ea6\u3002\u6570\u7ec4\u7684\u957f\u5ea6\u662f\u6570\u7ec4\u4e2d\u53ef\u4ee5\u5b58\u50a8\u7684\u5143\u7d20\u6570\u91cf\u3002<\/p>\n<p><strong>\u6307\u5b9a\u6570\u7ec4\u957f\u5ea6\u7684\u65b9\u6cd5<\/strong><\/p>\n<p>\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u53ef\u4ee5\u6307\u5b9a Java \u6570\u7ec4\u7684\u957f\u5ea6\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>\u521d\u59cb\u5316\u6570\u7ec4\u65f6\u58f0\u660e\u957f\u5ea6<\/li>\n<li>\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u957f\u5ea6<\/li>\n<\/ul>\n<p><strong>\u521d\u59cb\u5316\u6570\u7ec4\u65f6\u58f0\u660e\u957f\u5ea6<\/strong><\/p>\n<p>\u8fd9\u662f\u58f0\u660e\u6570\u7ec4\u5e76\u6307\u5b9a\u5176\u957f\u5ea6\u7684\u6700\u7b80\u5355\u65b9\u6cd5\uff1a<\/p>\n<pre>int[] myArray = new int[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u4ee3\u7801\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5143\u7d20\u7684\u6574\u578b\u6570\u7ec4\u3002<\/p>\n<p><strong>\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u957f\u5ea6<\/strong><\/p>\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u5176\u957f\u5ea6\uff1a<\/p>\n<pre>int[] myArray = new int[] {1, 2, 3, 4, 5};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u4ee3\u7801\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5143\u7d20\u7684\u6574\u578b\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528\u521d\u59cb\u5316\u5668\u521d\u59cb\u5316\u8fd9\u4e9b\u5143\u7d20\u3002<\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u4e00\u65e6\u521b\u5efa\u6570\u7ec4\uff0c\u5176\u957f\u5ea6\u5c06\u65e0\u6cd5\u66f4\u6539\u3002<\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u521b\u5efa\u4e0d\u540c\u957f\u5ea6\u7684\u6570\u7ec4\uff1a<\/p>\n<pre>int[] array1 = new int[5]; \/\/ \u521b\u5efa\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u6570\u7ec4\nint[] array2 = {1, 2, 3}; \/\/ \u521b\u5efa\u4e00\u4e2a\u957f\u5ea6\u4e3a 3 \u7684\u6570\u7ec4<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5176\u4ed6\u91cd\u8981\u4e8b\u9879<\/strong><\/p>\n<ul>\n<li>\u6570\u7ec4\u7684\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002<\/li>\n<li>\u6570\u7ec4\u7684\u957f\u5ea6\u662f\u5176\u6700\u540e\u4e00\u4e2a\u7d22\u5f15\u52a0 1\u3002<\/li>\n<li>\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u65f6\uff0c\u8d85\u51fa\u6570\u7ec4\u957f\u5ea6\u7684\u7d22\u5f15\u4f1a\u5bfc\u81f4 ArrayIndexOutOfBoundsException \u9519\u8bef\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u6307\u5b9a\u6570\u7ec4\u7684\u957f\u5ea6\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>\u521b\u5efa java \u6570\u7ec4\u65f6\uff0c\u5fc5\u987b\u6307\u5b9a\u5176\u957f\u5ea6\uff0c\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a\u521d\u59cb\u5316\u6570\u7ec4\u65f6\u58f0\u660e\u957f\u5ea6\uff1aint[] myarray = new int[5];\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u957f\u5ea6\uff1aint[] myarray = new int[] {1, 2, 3, 4, 5}; \u5982\u4f55\u6307\u5b9a Java \u6570\u7ec4\u7684\u957f\u5ea6 \u521b\u5efa Java \u6570\u7ec4\u65f6\uff0c\u5fc5\u987b\u6307\u5b9a\u5176\u957f\u5ea6\u3002\u6570\u7ec4\u7684\u957f\u5ea6\u662f\u6570\u7ec4\u4e2d\u53ef\u4ee5\u5b58\u50a8\u7684\u5143\u7d20\u6570\u91cf\u3002 \u6307\u5b9a\u6570\u7ec4\u957f\u5ea6\u7684\u65b9\u6cd5 \u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u53ef\u4ee5\u6307\u5b9a Java \u6570\u7ec4\u7684\u957f\u5ea6\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u521d\u59cb\u5316\u6570\u7ec4\u65f6\u58f0\u660e\u957f\u5ea6 \u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u957f\u5ea6 \u521d\u59cb\u5316\u6570\u7ec4\u65f6\u58f0\u660e\u957f\u5ea6 \u8fd9\u662f\u58f0\u660e\u6570\u7ec4\u5e76\u6307\u5b9a\u5176\u957f\u5ea6\u7684\u6700\u7b80\u5355\u65b9\u6cd5\uff1a int[] myArray = new int[5]; \u767b\u5f55\u540e\u590d\u5236 \u6b64\u4ee3\u7801\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5143\u7d20\u7684\u6574\u578b\u6570\u7ec4\u3002 \u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u957f\u5ea6 \u4e5f\u53ef\u4ee5\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u5176\u957f\u5ea6\uff1a int[] myArray = new 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-65963","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65963","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=65963"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65963\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}