{"id":67048,"date":"2025-05-03T10:52:57","date_gmt":"2025-05-03T02:52:57","guid":{"rendered":"https:\/\/fwq.ai\/blog\/67048\/"},"modified":"2025-05-03T10:52:57","modified_gmt":"2025-05-03T02:52:57","slug":"java%e6%80%8e%e4%b9%88%e5%a3%b0%e6%98%8e%e4%b8%80%e4%b8%aa%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/67048\/","title":{"rendered":"java\u600e\u4e48\u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u58f0\u660e\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u8bed\u6cd5\uff1astring[] arrayname = new string[size]\u3002\u793a\u4f8b\uff1astring[] names = new string[5]\uff0c\u521b\u5efa\u540d\u4e3a names \u7684\u6570\u7ec4\uff0c\u53ef\u5bb9\u7eb3 5 \u4e2a\u5b57\u7b26\u4e32\u5143\u7d20\u3002\u6570\u7ec4\u5143\u7d20\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002\u53ef\u4ee5\u4f7f\u7528 length \u5c5e\u6027\u8bbf\u95ee\u6570\u7ec4\u957f\u5ea6\u3002\u6570\u7ec4\u53ef\u4ee5\u5728\u58f0\u660e\u65f6\u4f7f\u7528\u5927\u62ec\u53f7\u8bed\u6cd5\u8fdb\u884c\u521d\u59cb\u5316\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/18\/2024111816430563687.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u58f0\u660e<\/strong><\/p>\n<p><strong>\u5982\u4f55\u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\uff1f<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\uff1a<\/p>\n<pre>String[] arrayName = new String[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>arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0<\/li>\n<li>size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>String[] names = new String[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a names \u7684\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u5b83\u53ef\u4ee5\u5bb9\u7eb3 5 \u4e2a\u5b57\u7b26\u4e32\u5143\u7d20\u3002<\/p>\n<p><strong>\u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee\u548c\u8d4b\u503c<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n<pre>names[0] = \"John\";<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u7b2c\u4e00\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a &#8220;John&#8221;\u3002<\/p>\n<p>\u8981\u8bbf\u95ee\u6570\u7ec4\u957f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528 length \u5c5e\u6027\uff1a<\/p>\n<pre>int length = names.length;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6570\u7ec4\u7684\u521d\u59cb\u5316<\/strong><\/p>\n<p>\u60a8\u53ef\u4ee5\u5728\u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u65f6\u5bf9\u5176\u8fdb\u884c\u521d\u59cb\u5316\u3002\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>String[] arrayName = { \"element1\", \"element2\", ... };<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>String[] names = { \"John\", \"Mary\", \"Bob\" };<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u521b\u5efa\u540d\u4e3a names \u7684\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u5b83\u5305\u542b\u4e09\u4e2a\u5143\u7d20\uff1a &#8220;John&#8221;\u3001&#8221;Mary&#8221; \u548c &#8220;Bob&#8221;\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u58f0\u660e\u4e00\u4e2a\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>java \u4e2d\u58f0\u660e\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u8bed\u6cd5\uff1astring[] arrayname = new string[size]\u3002\u793a\u4f8b\uff1astring[] names = new string[5]\uff0c\u521b\u5efa\u540d\u4e3a names \u7684\u6570\u7ec4\uff0c\u53ef\u5bb9\u7eb3 5 \u4e2a\u5b57\u7b26\u4e32\u5143\u7d20\u3002\u6570\u7ec4\u5143\u7d20\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002\u53ef\u4ee5\u4f7f\u7528 length \u5c5e\u6027\u8bbf\u95ee\u6570\u7ec4\u957f\u5ea6\u3002\u6570\u7ec4\u53ef\u4ee5\u5728\u58f0\u660e\u65f6\u4f7f\u7528\u5927\u62ec\u53f7\u8bed\u6cd5\u8fdb\u884c\u521d\u59cb\u5316\u3002 Java \u4e2d\u58f0\u660e \u5982\u4f55\u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\uff1f \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\uff1a String[] arrayName = new String[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0 size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf \u793a\u4f8b\uff1a String[] names = new String[5]; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a names \u7684\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u5b83\u53ef\u4ee5\u5bb9\u7eb3 5 \u4e2a\u5b57\u7b26\u4e32\u5143\u7d20\u3002 \u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee\u548c\u8d4b\u503c \u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002 names[0] = &#8220;John&#8221;; [&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-67048","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67048","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=67048"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67048\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=67048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=67048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=67048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}