{"id":36566,"date":"2024-11-26T09:40:25","date_gmt":"2024-11-26T01:40:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36566\/"},"modified":"2024-11-26T09:40:25","modified_gmt":"2024-11-26T01:40:25","slug":"%e5%b8%b8%e8%a7%81java%e6%95%b0%e7%bb%84%e6%9c%89%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36566\/","title":{"rendered":"\u5e38\u89c1java\u6570\u7ec4\u6709\u54ea\u4e9b"},"content":{"rendered":"<blockquote><p>\n  java \u6570\u7ec4\u7c7b\u578b\u5305\u62ec\uff1a\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff0c\u7528\u4e8e\u5b58\u50a8\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff08\u5982\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5e03\u5c14\u503c\uff09\uff1b\u5f15\u7528\u7c7b\u578b\u6570\u7ec4\uff0c\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\u5f15\u7528\u3002\u6570\u7ec4\u7684\u7279\u6027\uff1a\u5927\u5c0f\u4e0d\u53d8\uff1b\u5143\u7d20\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\uff1b\u5143\u7d20\u7c7b\u578b\u4e00\u81f4\uff1b\u652f\u6301\u591a\u7ef4\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111210185422372.jpg\" class=\"aligncenter\" title=\"\u5e38\u89c1java\u6570\u7ec4\u6709\u54ea\u4e9b\u63d2\u56fe\" alt=\"\u5e38\u89c1java\u6570\u7ec4\u6709\u54ea\u4e9b\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5e38\u89c1\u7684 Java \u6570\u7ec4<\/strong><\/p>\n<p>\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u7c7b\u4f3c\u7c7b\u578b\u7684\u6570\u636e\u9879\u96c6\u5408\u3002Java \u4e2d\u6709\u51e0\u79cd\u5e38\u89c1\u7684\u6570\u7ec4\u7c7b\u578b\uff1a<\/p>\n<ul>\n<li> <strong>\u57fa\u672c\u7c7b\u578b\u6570\u7ec4<\/strong>\uff1a\u7528\u4e8e\u5b58\u50a8\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff08\u5982 int\u3001double\u3001boolean\uff09\u7684\u503c\uff0c\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n<pre>int[] intArray = {1, 2, 3, 4, 5};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ul>\n<li> <strong>\u5f15\u7528\u7c7b\u578b\u6570\u7ec4<\/strong>\uff1a\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\u5f15\u7528\uff0c\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n<pre>String[] stringArray = {\"Hello\", \"World\", \"!\"};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6570\u7ec4\u7684\u7279\u6027<\/strong><\/p>\n<ul>\n<li> <strong>\u5927\u5c0f\u4e0d\u53d8\uff1a<\/strong>\u521b\u5efa\u6570\u7ec4\u540e\uff0c\u5176\u5927\u5c0f\u4e0d\u53ef\u66f4\u6539\u3002\u6570\u7ec4\u7684\u5927\u5c0f\u5728\u7f16\u8bd1\u65f6\u786e\u5b9a\u3002<\/li>\n<li> <strong>\u7d22\u5f15\u8bbf\u95ee\uff1a<\/strong>\u6570\u7ec4\u4e2d\u7684\u9879\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002<\/li>\n<li> <strong>\u5143\u7d20\u7c7b\u578b\u4e00\u81f4\uff1a<\/strong>\u6570\u7ec4\u4e2d\u5b58\u50a8\u7684\u6570\u636e\u9879\u5fc5\u987b\u5177\u6709\u76f8\u540c\u7684\u7c7b\u578b\u3002<\/li>\n<li> <strong>\u591a\u7ef4\u6570\u7ec4\uff1a<\/strong>Java \u652f\u6301\u591a\u7ef4\u6570\u7ec4\uff0c\u5141\u8bb8\u5728\u4e24\u4e2a\u6216\u66f4\u591a\u7ef4\u5ea6\u4e0a\u7ec4\u7ec7\u6570\u636e\u3002<\/li>\n<\/ul>\n<p><strong>\u4f7f\u7528\u6570\u7ec4<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u8981\u4f7f\u7528\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>dataType[] arrayName = new dataType[size];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>int[] numbers = new int[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a 5 \u7684 int \u578b\u6570\u7ec4\u3002<\/p>\n<p>\u6570\u7ec4\u53ef\u4ee5\u521d\u59cb\u5316\uff0c\u5728\u521b\u5efa\u65f6\u4f7f\u7528\u5927\u62ec\u53f7\u6307\u5b9a\u5143\u7d20\u503c\uff1a<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a<\/p>\n<pre>int firstElement = numbers[0]; \/\/ 1<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4fee\u6539\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u4e5f\u53ef\u4ee5\u4fee\u6539\u6570\u7ec4\u5143\u7d20\u7684\u503c\uff1a<\/p>\n<pre>numbers[0] = 10; \/\/ \u66f4\u6539\u7b2c\u4e00\u4e2a\u5143\u7d20\u4e3a 10<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u591a\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u591a\u7ef4\u6570\u7ec4\u4f7f\u7528\u9017\u53f7\u5206\u9694\u6bcf\u4e2a\u7ef4\u5ea6\u7684\u957f\u5ea6\uff1a<\/p>\n<pre>int[][] twoDArray = new int[3][2];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a 3 \u884c 2 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5e38\u89c1java\u6570\u7ec4\u6709\u54ea\u4e9b\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>java \u6570\u7ec4\u7c7b\u578b\u5305\u62ec\uff1a\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff0c\u7528\u4e8e\u5b58\u50a8\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff08\u5982\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5e03\u5c14\u503c\uff09\uff1b\u5f15\u7528\u7c7b\u578b\u6570\u7ec4\uff0c\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\u5f15\u7528\u3002\u6570\u7ec4\u7684\u7279\u6027\uff1a\u5927\u5c0f\u4e0d\u53d8\uff1b\u5143\u7d20\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\uff1b\u5143\u7d20\u7c7b\u578b\u4e00\u81f4\uff1b\u652f\u6301\u591a\u7ef4\u6570\u7ec4\u3002 \u5e38\u89c1\u7684 Java \u6570\u7ec4 \u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u7c7b\u4f3c\u7c7b\u578b\u7684\u6570\u636e\u9879\u96c6\u5408\u3002Java \u4e2d\u6709\u51e0\u79cd\u5e38\u89c1\u7684\u6570\u7ec4\u7c7b\u578b\uff1a \u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff1a\u7528\u4e8e\u5b58\u50a8\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff08\u5982 int\u3001double\u3001boolean\uff09\u7684\u503c\uff0c\u4f8b\u5982\uff1a int[] intArray = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 \u5f15\u7528\u7c7b\u578b\u6570\u7ec4\uff1a\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\u5f15\u7528\uff0c\u4f8b\u5982\uff1a String[] stringArray = {&#8220;Hello&#8221;, &#8220;World&#8221;, &#8220;!&#8221;}; \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u7684\u7279\u6027 \u5927\u5c0f\u4e0d\u53d8\uff1a\u521b\u5efa\u6570\u7ec4\u540e\uff0c\u5176\u5927\u5c0f\u4e0d\u53ef\u66f4\u6539\u3002\u6570\u7ec4\u7684\u5927\u5c0f\u5728\u7f16\u8bd1\u65f6\u786e\u5b9a\u3002 \u7d22\u5f15\u8bbf\u95ee\uff1a\u6570\u7ec4\u4e2d\u7684\u9879\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002 \u5143\u7d20\u7c7b\u578b\u4e00\u81f4\uff1a\u6570\u7ec4\u4e2d\u5b58\u50a8\u7684\u6570\u636e\u9879\u5fc5\u987b\u5177\u6709\u76f8\u540c\u7684\u7c7b\u578b\u3002 \u591a\u7ef4\u6570\u7ec4\uff1aJava \u652f\u6301\u591a\u7ef4\u6570\u7ec4\uff0c\u5141\u8bb8\u5728\u4e24\u4e2a\u6216\u66f4\u591a\u7ef4\u5ea6\u4e0a\u7ec4\u7ec7\u6570\u636e\u3002 \u4f7f\u7528\u6570\u7ec4 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u8981\u4f7f\u7528\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a dataType[] arrayName = new dataType[size]; \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff1a int[] numbers = new int[5]; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a 5 \u7684 int \u578b\u6570\u7ec4\u3002 [&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-36566","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36566","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=36566"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36566\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}