{"id":431,"date":"2022-09-22T17:52:43","date_gmt":"2022-09-22T09:52:43","guid":{"rendered":"https:\/\/qaqaq.top\/?p=431"},"modified":"2022-11-27T12:40:01","modified_gmt":"2022-11-27T04:40:01","slug":"%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e7%9a%84%e7%90%86%e8%a7%a3%e5%92%8c%e5%88%9d%e5%a7%8b%e5%8c%96%ef%bc%8c%e6%95%b0%e7%bb%84%e5%85%83%e7%b4%a0%e7%9a%84%e8%b0%83%e7%94%a8%ef%bc%8c%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=431","title":{"rendered":"Eclipse\u7684\u4f7f\u7528\u4e0e\u6570\u7ec4-\u4e8c\u7ef4\u6570\u7ec4\u7684\u7406\u89e3\u548c\u521d\u59cb\u5316\u3001\u4e8c\u7ef4\u6570\u7ec4\u5143\u7d20\u7684\u8c03\u7528\u3001\u4e8c\u7ef4\u6570\u7ec4\u7684\u957f\u5ea6\u548c\u904d\u5386"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P149;\n\/*\n * \u4e8c\u7ef4\u6570\u7ec4\u7684\u4f7f\u7528\n * \n * 1. \u7406\u89e3\n * \u5bf9\u4e8e\u4e8c\u7ef4\u6570\u7ec4\u7684\u7406\u89e3\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u6210\u662f\u4e00\u7ef4\u6570\u7ec4array1\u53c8\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4array2\u7684\u5143\u7d20\u800c\u5b58\u5728\u3002\n * \u5176\u5b9e\uff0c\u4ece\u6570\u7ec4\u5e95\u5c42\u7684\u8fd0\u884c\u673a\u5236\u6765\u770b\uff0c\u5176\u5b9e\u6ca1\u6709\u591a\u7ef4\u6570\u7ec4\u3002\n * \n * 2. \u4e8c\u7ef4\u6570\u7ec4\u7684\u4f7f\u7528\uff1a\n * \t\u2460 \u4e8c\u7ef4\u6570\u7ec4\u7684\u58f0\u660e\u548c\u521d\u59cb\u5316\n * \t\u2461 \u5982\u4f55\u8c03\u7528\u6570\u7ec4\u7684\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\n * \t\u2462 \u5982\u4f55\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\n * \t\u2463 \u5982\u4f55\u904d\u5386\u6570\u7ec4\n * \t\u2464 \u6570\u7ec4\u5143\u7d20\u7684\u9ed8\u8ba4\u521d\u59cb\u5316\uff1a\u89c1ArrayTest3.java\n * \t\u2465 \u6570\u7ec4\u7684\u5185\u5b58\u89e3\u6790\uff1a\u89c1ArrayTest3.java\n * \n *\/\npublic class ArrayTest2 {\n\tpublic static void main(String&#91;] args) {\n\t\t\/\/1. \u4e8c\u7ef4\u6570\u7ec4\u7684\u58f0\u660e\u548c\u521d\u59cb\u5316\n\t\tint&#91;] arr = new int&#91;] {123};\/\/\u4e00\u7ef4\u6570\u7ec4\n\t\t\/\/\u9759\u6001\u521d\u59cb\u5316\n\t\tint&#91;]&#91;] arr1 = new int&#91;]&#91;] {{1,2,3},{4,5},{6,7,8}};\n\t\t\/\/\u52a8\u6001\u521d\u59cb\u53161\n\t\tString&#91;]&#91;] arr2 = new String&#91;3]&#91;2];\n\t\t\/\/\u52a8\u6001\u521d\u59cb\u53162\n\t\tString&#91;]&#91;] arr3 = new String&#91;3]&#91;];\n\t\t\n\t\t\/\/\u9519\u8bef\u7684\u60c5\u51b5\n\/\/\t\tString&#91;]&#91;] arr4 = new String&#91;]&#91;4];\n\/\/\t\tString&#91;4]&#91;3] arr3 = new String&#91;]&#91;];\n\/\/\t\tint&#91;]&#91;] arr6 = new int&#91;4]&#91;3] {{1,2,3},{4,5},{6,7,8}};\n\t\t\n\t\t\/\/\u4e5f\u662f\u6b63\u786e\u7684\u5199\u6cd5\uff1a\n\t\tint&#91;] arr4&#91;] = new int&#91;]&#91;] {{1,2,3},{4,5,9,10},{6,7,8}};\n\t\tint&#91;] arr5&#91;] =  {{1,2,3},{4,5},{6,7,8}};\n\t\t\n\t\t\/\/2. \u5982\u4f55\u8c03\u7528\u6570\u7ec4\u7684\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\n\t\tSystem.out.println(arr1&#91;0]&#91;1]);\/\/2\n\t\tSystem.out.println(arr2&#91;1]&#91;1]);\/\/null\n\t\t\n\t\tarr3&#91;1] = new String&#91;4];\n\t\tSystem.out.println(arr3&#91;1]&#91;0]);\n\t\t\n\t\t\/\/3. \u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\n\t\tSystem.out.println(arr4.length);\/\/3\n\t\tSystem.out.println(arr4&#91;0].length);\/\/3\n\t\tSystem.out.println(arr4&#91;1].length);\/\/4\n\t\t\n\t\t\/\/4. \u5982\u4f55\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\n\t\tfor(int i =0; i &lt; arr4.length; i++) {\n\t\t\t\n\t\t\tfor(int j = 0; j &lt; arr4&#91;i].length; j++) {\n\t\t\t\tSystem.out.print(arr4&#91;i]&#91;j] + \" \");\n\t\t\t}\n\t\t\tSystem.out.println();\n\t\t}\n\t\t\n\t\t\n\t\t\n\t\t\n\t}\n\n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[46],"class_list":["post-431","post","type-post","status-publish","format-standard","hentry","category-java-code","tag-java"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/431"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=431"}],"version-history":[{"count":2,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/431\/revisions"}],"predecessor-version":[{"id":496,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/431\/revisions\/496"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}