{"id":35428,"date":"2024-11-26T09:44:20","date_gmt":"2024-11-26T01:44:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35428\/"},"modified":"2024-11-26T09:44:20","modified_gmt":"2024-11-26T01:44:20","slug":"java%e9%87%8c%e6%80%8e%e4%b9%88%e6%94%b9%e6%95%b0%e7%bb%84%e9%87%8c%e7%9a%84%e6%95%b0%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35428\/","title":{"rendered":"java\u91cc\u600e\u4e48\u6539\u6570\u7ec4\u91cc\u7684\u6570\u503c"},"content":{"rendered":"<blockquote><p>\n  \u5982\u4f55\u5728 java \u4e2d\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u503c\uff1f\u4f7f\u7528\u65b9\u62ec\u53f7 [] \u8fd0\u7b97\u7b26\u8bbf\u95ee\u7d22\u5f15\u5904\u7684\u5143\u7d20\u5e76\u901a\u8fc7\u8d4b\u503c\u8fd0\u7b97\u7b26 = \u66f4\u6539\u503c\u3002\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5e76\u901a\u8fc7\u8d4b\u503c\u8fd0\u7b97\u7b26 = \u66f4\u6539\u5143\u7d20\u7684\u503c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110402462326861.jpg\" class=\"aligncenter\" title=\"java\u91cc\u600e\u4e48\u6539\u6570\u7ec4\u91cc\u7684\u6570\u503c\u63d2\u56fe\" alt=\"java\u91cc\u600e\u4e48\u6539\u6570\u7ec4\u91cc\u7684\u6570\u503c\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u503c<\/strong><\/p>\n<p>\u5728 Java \u4e2d\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u503c\u975e\u5e38\u7b80\u5355\u3002<\/p>\n<p><strong>\u65b9\u6cd5 1\uff1a\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528\u65b9\u62ec\u53f7 [] \u8fd0\u7b97\u7b26\u8bbf\u95ee\u8be5\u7d22\u5f15\u5904\u7684\u503c\u3002<\/li>\n<li>\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26 = \u66f4\u6539\u8be5\u503c\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {1, 2, 3};\nnumbers[1] = 4; \/\/\u5c06\u7d22\u5f15\u4e3a 1 \u7684\u503c\u66f4\u6539\u4e3a 4<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5 2\uff1a\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002<\/li>\n<li>\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26 = \u66f4\u6539\u5143\u7d20\u7684\u503c\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {1, 2, 3};\nfor (int number : numbers) {\n    number += 1; \/\/\u5c06\u6bcf\u4e2a\u5143\u7d20\u52a0 1\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u8bd5\u56fe\u4fee\u6539\u5e38\u91cf\u503c\uff0c\u5219\u4f1a\u5f15\u53d1\u3002<\/li>\n<li>\u5982\u679c\u8bd5\u56fe\u8bbf\u95ee\u8d85\u51fa\u6570\u7ec4\u8303\u56f4\u7684\u7d22\u5f15\uff0c\u5219\u4f1a\u5f15\u53d1 ArrayIndexOutOfBoundsException\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u91cc\u600e\u4e48\u6539\u6570\u7ec4\u91cc\u7684\u6570\u503c\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728 java \u4e2d\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u503c\uff1f\u4f7f\u7528\u65b9\u62ec\u53f7 [] \u8fd0\u7b97\u7b26\u8bbf\u95ee\u7d22\u5f15\u5904\u7684\u5143\u7d20\u5e76\u901a\u8fc7\u8d4b\u503c\u8fd0\u7b97\u7b26 = \u66f4\u6539\u503c\u3002\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5e76\u901a\u8fc7\u8d4b\u503c\u8fd0\u7b97\u7b26 = \u66f4\u6539\u5143\u7d20\u7684\u503c\u3002 \u5982\u4f55\u5728 Java \u4e2d\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u503c \u5728 Java \u4e2d\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u503c\u975e\u5e38\u7b80\u5355\u3002 \u65b9\u6cd5 1\uff1a\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee \u4f7f\u7528\u65b9\u62ec\u53f7 [] \u8fd0\u7b97\u7b26\u8bbf\u95ee\u8be5\u7d22\u5f15\u5904\u7684\u503c\u3002 \u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26 = \u66f4\u6539\u8be5\u503c\u3002 \u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3}; numbers[1] = 4; \/\/\u5c06\u7d22\u5f15\u4e3a 1 \u7684\u503c\u66f4\u6539\u4e3a 4 \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5 2\uff1a\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af \u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002 \u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26 = \u66f4\u6539\u5143\u7d20\u7684\u503c\u3002 \u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers [&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-35428","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35428","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=35428"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35428\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35428"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35428"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35428"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}