{"id":1251,"date":"2022-10-28T22:57:36","date_gmt":"2022-10-28T14:57:36","guid":{"rendered":"https:\/\/qaqaq.top\/?p=1251"},"modified":"2022-11-27T12:39:47","modified_gmt":"2022-11-27T04:39:47","slug":"map%e6%8e%a5%e5%8f%a3","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=1251","title":{"rendered":"Map\u63a5\u53e3"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>Map\u63a5\u53e3\r\n\r\n4.2 HashMap\u5728jdk8\u4e2d\u76f8\u8f83\u4e8ejdk7\u5728\u5e95\u5c42\u5b9e\u73b0\u65b9\u9762\u7684\u4e0d\u540c\uff1a\r\n *          1. new HashMap():\u5e95\u5c42\u6ca1\u6709\u521b\u5efa\u4e00\u4e2a\u957f\u5ea6\u4e3a16\u7684\u6570\u7ec4\r\n *          2. jdk 8\u5e95\u5c42\u7684\u6570\u7ec4\u662f\uff1aNode&#91;],\u800c\u975eEntry&#91;]\r\n *          3. \u9996\u6b21\u8c03\u7528put()\u65b9\u6cd5\u65f6\uff0c\u5e95\u5c42\u521b\u5efa\u957f\u5ea6\u4e3a16\u7684\u6570\u7ec4\r\n *          4. jdk7\u5e95\u5c42\u7ed3\u6784\u53ea\u6709\uff1a\u6570\u7ec4+\u94fe\u8868\u3002jdk8\u4e2d\u5e95\u5c42\u7ed3\u6784\uff1a\u6570\u7ec4+\u94fe\u8868+\u7ea2\u9ed1\u6811\u3002\r\n *              4.1 \u5f62\u6210\u94fe\u8868\u65f6\uff0c\u4e03\u4e0a\u516b\u4e0b\uff08jdk7\uff1a\u65b0\u7684\u5143\u7d20\u6307\u5411\u65e7\u7684\u5143\u7d20\u3002jdk8\uff1a\u65e7\u7684\u5143\u7d20\u6307\u5411\u65b0\u7684\u5143\u7d20\uff09\r\n *              4.2 \u5f53\u6570\u7ec4\u7684\u67d0\u4e00\u4e2a\u7d22\u5f15\u4f4d\u7f6e\u4e0a\u7684\u5143\u7d20\u4ee5\u94fe\u8868\u5f62\u5f0f\u5b58\u5728\u7684\u6570\u636e\u4e2a\u6570 > 8 \u4e14\u5f53\u524d\u6570\u7ec4\u7684\u957f\u5ea6 > 64\u65f6\uff0c\r\n *                  \u6b64\u65f6\u6b64\u7d22\u5f15\u4f4d\u7f6e\u4e0a\u7684\u6240\u6709\u6570\u636e\u6539\u4e3a\u4f7f\u7528\u7ea2\u9ed1\u6811\u5b58\u50a8\u3002\r\n\r\n4.4 LinkedHashMap\u7684\u5e95\u5c42\u5b9e\u73b0\u539f\u7406\uff08\u4e86\u89e3\uff09\r\nLinkedHashMap\u5e95\u5c42\u4f7f\u7528\u7684\u7ed3\u6784\u4e0eHashMap\u76f8\u540c\uff0c\u56e0\u4e3aLinkedHashMap\u7ee7\u627f\u4e8eHashMap.\r\n\u533a\u522b\u5c31\u5728\u4e8e\uff1aLinkedHashMap\u5185\u90e8\u63d0\u4f9b\u4e86Entry\uff0c\u66ff\u6362HashMap\u4e2d\u7684Node.\r\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":[33],"tags":[46],"class_list":["post-1251","post","type-post","status-publish","format-standard","hentry","category-java-","tag-java"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1251"}],"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=1251"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1251\/revisions"}],"predecessor-version":[{"id":1252,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1251\/revisions\/1252"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}