{"id":37058,"date":"2024-11-26T16:38:31","date_gmt":"2024-11-26T08:38:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37058\/"},"modified":"2024-11-26T16:38:31","modified_gmt":"2024-11-26T08:38:31","slug":"java%e6%80%8e%e4%b9%88%e6%b1%82%e6%95%b0%e7%bb%84%e5%9c%b0%e5%9d%80","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37058\/","title":{"rendered":"java\u600e\u4e48\u6c42\u6570\u7ec4\u5730\u5740"},"content":{"rendered":"<blockquote><p>\n  java\u4e2d\u83b7\u53d6\u6570\u7ec4\u5730\u5740\u65b9\u6cd5\uff1a\u4f7f\u7528arrays.hashcode()\u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4\u54c8\u5e0c\u7801\uff0c\u8be5\u54c8\u5e0c\u7801\u662f\u6570\u7ec4\u5730\u5740\u7684\u51fd\u6570\u3002\u4f7f\u7528system.identityhashcode()\u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4\u54c8\u5e0c\u7801\uff0c\u8be5\u54c8\u5e0c\u7801\u57fa\u4e8e\u6570\u7ec4\u5730\u5740\u751f\u6210\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111300310354007.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u6c42\u6570\u7ec4\u5730\u5740\u63d2\u56fe\" alt=\"java\u600e\u4e48\u6c42\u6570\u7ec4\u5730\u5740\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u4e2d\u5982\u4f55\u83b7\u53d6\u6570\u7ec4\u5730\u5740<\/strong><\/p>\n<p>Java\u6570\u7ec4\u662f\u4e00\u79cd\u5f15\u7528\u6570\u636e\u7c7b\u578b\uff0c\u5b83\u5b58\u50a8\u7684\u5bf9\u8c61\u6570\u7ec4\u7684\u5730\u5740\uff0c\u800c\u4e0d\u662f\u5bf9\u8c61\u7684\u672c\u8eab\u3002\u83b7\u53d6\u6570\u7ec4\u5730\u5740\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p><strong>\u4f7f\u7528Arrays.hashCode()\u65b9\u6cd5<\/strong><\/p>\n<p>Arrays.hashCode()\u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4\u5bf9\u8c61\u7684\u54c8\u5e0c\u7801\uff0c\u8be5\u54c8\u5e0c\u7801\u662f\u6570\u7ec4\u5730\u5740\u7684\u51fd\u6570\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u8be5\u65b9\u6cd5\u6765\u83b7\u53d6\u6570\u7ec4\u5730\u5740\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] myArray = {1, 2, 3};\nSystem.out.println(Arrays.hashCode(myArray)); \/\/ \u8f93\u51fa\u6570\u7ec4\u5730\u5740\u7684\u54c8\u5e0c\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528System.identityHashCode()\u65b9\u6cd5<\/strong><\/p>\n<p>System.identityHashCode()\u65b9\u6cd5\u8fd4\u56de\u6307\u5b9a\u5bf9\u8c61\u7684\u54c8\u5e0c\u7801\uff0c\u8be5\u54c8\u5e0c\u7801\u662f\u57fa\u4e8e\u5bf9\u8c61\u7684\u5730\u5740\u751f\u6210\u7684\u3002\u6211\u4eec\u4e5f\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u8be5\u65b9\u6cd5\u6765\u83b7\u53d6\u6570\u7ec4\u5730\u5740\uff1a<\/p>\n<pre>int[] myArray = {1, 2, 3};\nSystem.out.println(System.identityHashCode(myArray)); \/\/ \u8f93\u51fa\u6570\u7ec4\u5730\u5740\u7684\u54c8\u5e0c\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u9700\u8981\u6307\u51fa\u7684\u662f\uff0cArrays.hashCode()\u65b9\u6cd5\u548cSystem.identityHashCode()\u65b9\u6cd5\u8fd4\u56de\u7684\u54c8\u5e0c\u7801\u5e76\u4e0d\u662f\u6570\u7ec4\u5730\u5740\u672c\u8eab\uff0c\u800c\u662f\u57fa\u4e8e\u5730\u5740\u751f\u6210\u7684\u54c8\u5e0c\u503c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u6c42\u6570\u7ec4\u5730\u5740\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\u4e2d\u83b7\u53d6\u6570\u7ec4\u5730\u5740\u65b9\u6cd5\uff1a\u4f7f\u7528arrays.hashcode()\u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4\u54c8\u5e0c\u7801\uff0c\u8be5\u54c8\u5e0c\u7801\u662f\u6570\u7ec4\u5730\u5740\u7684\u51fd\u6570\u3002\u4f7f\u7528system.identityhashcode()\u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4\u54c8\u5e0c\u7801\uff0c\u8be5\u54c8\u5e0c\u7801\u57fa\u4e8e\u6570\u7ec4\u5730\u5740\u751f\u6210\u3002 Java\u4e2d\u5982\u4f55\u83b7\u53d6\u6570\u7ec4\u5730\u5740 Java\u6570\u7ec4\u662f\u4e00\u79cd\u5f15\u7528\u6570\u636e\u7c7b\u578b\uff0c\u5b83\u5b58\u50a8\u7684\u5bf9\u8c61\u6570\u7ec4\u7684\u5730\u5740\uff0c\u800c\u4e0d\u662f\u5bf9\u8c61\u7684\u672c\u8eab\u3002\u83b7\u53d6\u6570\u7ec4\u5730\u5740\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a \u4f7f\u7528Arrays.hashCode()\u65b9\u6cd5 Arrays.hashCode()\u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4\u5bf9\u8c61\u7684\u54c8\u5e0c\u7801\uff0c\u8be5\u54c8\u5e0c\u7801\u662f\u6570\u7ec4\u5730\u5740\u7684\u51fd\u6570\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u8be5\u65b9\u6cd5\u6765\u83b7\u53d6\u6570\u7ec4\u5730\u5740\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] myArray = {1, 2, 3}; System.out.println(Arrays.hashCode(myArray)); \/\/ \u8f93\u51fa\u6570\u7ec4\u5730\u5740\u7684\u54c8\u5e0c\u7801 \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528System.identityHashCode()\u65b9\u6cd5 System.identityHashCode()\u65b9\u6cd5\u8fd4\u56de\u6307\u5b9a\u5bf9\u8c61\u7684\u54c8\u5e0c\u7801\uff0c\u8be5\u54c8\u5e0c\u7801\u662f\u57fa\u4e8e\u5bf9\u8c61\u7684\u5730\u5740\u751f\u6210\u7684\u3002\u6211\u4eec\u4e5f\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u8be5\u65b9\u6cd5\u6765\u83b7\u53d6\u6570\u7ec4\u5730\u5740\uff1a int[] myArray = {1, 2, 3}; System.out.println(System.identityHashCode(myArray)); \/\/ \u8f93\u51fa\u6570\u7ec4\u5730\u5740\u7684\u54c8\u5e0c\u7801 \u767b\u5f55\u540e\u590d\u5236 \u9700\u8981\u6307\u51fa\u7684\u662f\uff0cArrays.hashCode()\u65b9\u6cd5\u548cSystem.identityHashCode()\u65b9\u6cd5\u8fd4\u56de\u7684\u54c8\u5e0c\u7801\u5e76\u4e0d\u662f\u6570\u7ec4\u5730\u5740\u672c\u8eab\uff0c\u800c\u662f\u57fa\u4e8e\u5730\u5740\u751f\u6210\u7684\u54c8\u5e0c\u503c\u3002 \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u6c42\u6570\u7ec4\u5730\u5740\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-37058","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37058","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=37058"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37058\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37058"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37058"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37058"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}