{"id":433,"date":"2022-09-22T17:53:41","date_gmt":"2022-09-22T09:53:41","guid":{"rendered":"https:\/\/qaqaq.top\/?p=433"},"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%e5%85%83%e7%b4%a0%e9%bb%98%e8%ae%a4%e5%88%9d%e5%a7%8b%e5%8c%96%e5%80%bc%ef%bc%8c%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e7%9a%84%e5%86%85%e5%ad%98%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=433","title":{"rendered":"Eclipse\u7684\u4f7f\u7528\u4e0e\u6570\u7ec4-\u4e8c\u7ef4\u6570\u7ec4\u5143\u7d20\u9ed8\u8ba4\u521d\u59cb\u5316\u503c\u3001\u4e8c\u7ef4\u6570\u7ec4\u7684\u5185\u5b58\u89e3\u6790"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P149;\n\/*\n * \u4e8c\u7ef4\u6570\u7ec4\u7684\u4f7f\u7528\uff1a\n * \u89c4\u5b9a\uff1a\u4e8c\u7ef4\u6570\u7ec4\u5206\u4e3a\u5916\u5c42\u6570\u7ec4\u7684\u5143\u7d20\uff0c\u5185\u5c42\u6570\u7ec4\u7684\u5143\u7d20\n * \t\tint&#91;]&#91;] arr = new int&#91;4]&#91;3];\n * \t\t\u5916\u5c42\u5143\u7d20\uff1aarr&#91;0],arr&#91;1]\u7b49\n * \t\t\u5185\u5c42\u5143\u7d20\uff1aarr&#91;0]&#91;0],arr&#91;1]&#91;2];\n * \n * \t\u2464 \u6570\u7ec4\u5143\u7d20\u7684\u9ed8\u8ba4\u521d\u59cb\u5316\u503c\n * \t\t\u9488\u5bf9\u4e8e\u521d\u59cb\u5316\u65b9\u5f0f\u4e00\uff1a\u6bd4\u5982\uff1aint&#91;]&#91;] arr = new int&#91;4]&#91;3];\n * \t\t\t\u5916\u5c42\u5143\u7d20\u7684\u521d\u59cb\u5316\u503c\u4e3a\uff1a\u5730\u5740\u503c\n * \t\t\t\u5185\u5c42\u5143\u7d20\u7684\u521d\u59cb\u5316\u503c\u4e3a\uff1a\u4e0e\u4e00\u7ef4\u6570\u7ec4\u521d\u59cb\u5316\u60c5\u51b5\u76f8\u540c\n * \t\t\u9488\u5bf9\u4e8e\u521d\u59cb\u5316\u65b9\u5f0f\u4e8c\uff1a\u6bd4\u5982\uff1aint&#91;]&#91;] arr = new int&#91;4]&#91;];\n * \t\t\t\u5916\u5c42\u5143\u7d20\u7684\u521d\u59cb\u5316\u503c\u4e3a\uff1anull\n * \t\t\t\u5185\u5c42\u5143\u7d20\u7684\u521d\u59cb\u5316\u503c\u4e3a\uff1a\u4e0d\u80fd\u8c03\u7528\uff0c\u5426\u5219\u62a5\u9519\u3002\n * \n * \t\u2465 \u6570\u7ec4\u7684\u5185\u5b58\u89e3\u6790\n * \n * \n * \n *\/\npublic class ArrayTest3 {\n\tpublic static void main(String&#91;] args) {\n\t\t\n\t\tint&#91;]&#91;] arr = new int&#91;4]&#91;3];\n\t\tSystem.out.println(arr&#91;0]);\/\/&#91;I@3d012ddd\n\t\tSystem.out.println(arr&#91;0]&#91;0]);\/\/0\n\t\t\n\/\/\t\tSystem.out.println(arr);\/\/&#91;&#91;I@626b2d4a\n\t\t\n\t\tSystem.out.println(\"**********************\");\n\t\tfloat&#91;]&#91;] arr1 = new float&#91;4]&#91;3];\n\t\tSystem.out.println(arr1&#91;0]);\/\/\u5730\u5740\u503c\n\t\tSystem.out.println(arr1&#91;0]&#91;0]);\/\/0.0\n\t\t\n\t\tSystem.out.println(\"**********************\");\n\t\t\n\t\tString&#91;]&#91;] arr2 = new String&#91;4]&#91;2];\n\t\tSystem.out.println(arr2&#91;1]);\/\/\u5730\u5740\u503c\n\t\tSystem.out.println(arr2&#91;1]&#91;1]);\/\/null\n\t\t\n\t\tSystem.out.println(\"**********************\");\n\t\tdouble&#91;]&#91;] arr3 = new double&#91;4]&#91;];\n\t\tSystem.out.println(arr3&#91;1]);\/\/null\n\t\tSystem.out.println(arr3&#91;1]&#91;0]);\/\/\u62a5\u9519\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-433","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\/433"}],"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=433"}],"version-history":[{"count":2,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/433\/revisions"}],"predecessor-version":[{"id":497,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/433\/revisions\/497"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}