{"id":38650,"date":"2024-11-26T12:12:28","date_gmt":"2024-11-26T04:12:28","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38650\/"},"modified":"2024-11-26T12:12:28","modified_gmt":"2024-11-26T04:12:28","slug":"%e6%80%8e%e4%b9%88%e6%94%b9%e5%8f%98java%e6%95%b0%e7%bb%84%e4%b8%ad%e7%9a%84%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38650\/","title":{"rendered":"\u600e\u4e48\u6539\u53d8java\u6570\u7ec4\u4e2d\u7684\u5143\u7d20"},"content":{"rendered":"<blockquote><p>\n  \u901a\u8fc7\u4f7f\u7528\u6570\u7ec4\u4e0b\u6807\uff0c\u53ef\u4ee5\u66f4\u6539 java \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a\u83b7\u53d6\u5143\u7d20\uff1a\u4f7f\u7528 array[index] \u8bbf\u95ee\u9700\u8981\u4fee\u6539\u7684\u5143\u7d20\u3002\u4fee\u6539\u503c\uff1a\u4f7f\u7528 array[index] = newvalue \u4e3a\u5143\u7d20\u8d4b\u503c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111504273742256.jpg\" class=\"aligncenter\" title=\"\u600e\u4e48\u6539\u53d8java\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u63d2\u56fe\" alt=\"\u600e\u4e48\u6539\u53d8java\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u6539\u53d8 Java \u6570\u7ec4\u4e2d\u7684\u5143\u7d20<\/strong><\/p>\n<p>Java \u6570\u7ec4\u662f\u6709\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u5b58\u50a8\u7740\u7279\u5b9a\u7c7b\u578b\u7684\u6570\u636e\u3002\u8981\u6539\u53d8\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u4e0b\u6807\u6765\u8bbf\u95ee\u548c\u4fee\u6539\u7279\u5b9a\u5143\u7d20\u3002<\/p>\n<p><strong>\u6b65\u9aa4\uff1a<\/strong><\/p>\n<ol>\n<li> <strong>\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\uff1a<\/strong>\u4f7f\u7528\u6570\u7ec4\u4e0b\u6807\u8bbf\u95ee\u8981\u4fee\u6539\u7684\u5143\u7d20\u3002\u8bed\u6cd5\u4e3a\uff1aarray[index]\uff0c\u5176\u4e2d array \u662f\u6570\u7ec4\u53d8\u91cf\uff0cindex \u662f\u8981\u8bbf\u95ee\u7684\u5143\u7d20\u7684\u4e0b\u6807\u3002<\/li>\n<li> <strong>\u4fee\u6539\u5143\u7d20\u503c\uff1a<\/strong>\u4e00\u65e6\u8bbf\u95ee\u5230\u5143\u7d20\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\uff08=\uff09\u4fee\u6539\u5176\u503c\u3002\u8bed\u6cd5\u4e3a\uff1aarray[index] = newValue\uff0c\u5176\u4e2d newValue \u662f\u65b0\u503c\u3002<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u66f4\u6539\u7b2c\u4e09\u4e2a\u5143\u7d20\u7684\u503c\u4e3a 10\nnumbers[2] = 10;\n\n\/\/ \u6253\u5370\u4fee\u6539\u540e\u7684\u6570\u7ec4\nfor (int number : numbers) {\n    System.out.println(number);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>1\n2\n10\n4\n5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\u70b9\uff1a<\/strong><\/p>\n<ul>\n<li>\u6570\u7ec4\u4e0b\u6807\u662f\u4ece 0 \u5f00\u59cb\u7684\uff0c\u56e0\u6b64\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u4e0b\u6807\u662f 0\u3002<\/li>\n<li>\u8bbf\u95ee\u4e0d\u5b58\u5728\u7684\u4e0b\u6807\u4f1a\u5bfc\u81f4 ArrayIndexOutOfBoundsException\u3002<\/li>\n<li>\u4e0d\u80fd\u6539\u53d8\u6570\u7ec4\u7684\u957f\u5ea6\u3002\u5982\u679c\u9700\u8981\u4e0d\u540c\u7684\u957f\u5ea6\uff0c\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u3002<\/li>\n<li>\u6570\u7ec4\u662f\u5f15\u7528\u7c7b\u578b\uff0c\u56e0\u6b64\u4fee\u6539\u5143\u7d20\u503c\u5c06\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u6539\u53d8java\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\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>\u901a\u8fc7\u4f7f\u7528\u6570\u7ec4\u4e0b\u6807\uff0c\u53ef\u4ee5\u66f4\u6539 java \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a\u83b7\u53d6\u5143\u7d20\uff1a\u4f7f\u7528 array[index] \u8bbf\u95ee\u9700\u8981\u4fee\u6539\u7684\u5143\u7d20\u3002\u4fee\u6539\u503c\uff1a\u4f7f\u7528 array[index] = newvalue \u4e3a\u5143\u7d20\u8d4b\u503c\u3002 \u5982\u4f55\u6539\u53d8 Java \u6570\u7ec4\u4e2d\u7684\u5143\u7d20 Java \u6570\u7ec4\u662f\u6709\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u5b58\u50a8\u7740\u7279\u5b9a\u7c7b\u578b\u7684\u6570\u636e\u3002\u8981\u6539\u53d8\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u4e0b\u6807\u6765\u8bbf\u95ee\u548c\u4fee\u6539\u7279\u5b9a\u5143\u7d20\u3002 \u6b65\u9aa4\uff1a \u83b7\u53d6\u6570\u7ec4\u5143\u7d20\uff1a\u4f7f\u7528\u6570\u7ec4\u4e0b\u6807\u8bbf\u95ee\u8981\u4fee\u6539\u7684\u5143\u7d20\u3002\u8bed\u6cd5\u4e3a\uff1aarray[index]\uff0c\u5176\u4e2d array \u662f\u6570\u7ec4\u53d8\u91cf\uff0cindex \u662f\u8981\u8bbf\u95ee\u7684\u5143\u7d20\u7684\u4e0b\u6807\u3002 \u4fee\u6539\u5143\u7d20\u503c\uff1a\u4e00\u65e6\u8bbf\u95ee\u5230\u5143\u7d20\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\uff08=\uff09\u4fee\u6539\u5176\u503c\u3002\u8bed\u6cd5\u4e3a\uff1aarray[index] = newValue\uff0c\u5176\u4e2d newValue \u662f\u65b0\u503c\u3002 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; \/\/ \u66f4\u6539\u7b2c\u4e09\u4e2a\u5143\u7d20\u7684\u503c\u4e3a 10 numbers[2] = 10; \/\/ \u6253\u5370\u4fee\u6539\u540e\u7684\u6570\u7ec4 for (int number : numbers) { System.out.println(number); } \u767b\u5f55\u540e\u590d\u5236 \u8f93\u51fa\uff1a 1 2 10 [&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-38650","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38650","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=38650"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38650\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38650"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38650"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}