{"id":4284,"date":"2023-07-19T13:54:32","date_gmt":"2023-07-19T05:54:32","guid":{"rendered":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=4284"},"modified":"2023-07-19T14:17:09","modified_gmt":"2023-07-19T06:17:09","slug":"hashmap%e7%ae%80%e5%8d%95%e8%ae%b0%e5%bd%952","status":"publish","type":"post","link":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=4284","title":{"rendered":"hashmap\u7b80\u5355\u8bb0\u5f552"},"content":{"rendered":"\n

hashmap\u7684key\u53ea\u80fd\u662fstring\u5417?<\/p>\n\n\n\n

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  2. hashCode()<\/code>\u65b9\u6cd5\uff1a\u8fd9\u4e2a\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5bf9\u8c61\u7684\u54c8\u5e0c\u7801\uff0c\u8fd9\u4e2a\u54c8\u5e0c\u7801\u88ab\u7528\u4e8e\u786e\u5b9a\u5bf9\u8c61\u5728HashMap<\/code>\u4e2d\u7684\u5b58\u50a8\u4f4d\u7f6e\u3002\u4e3a\u4e86\u4f7fHashMap<\/code>\u7684\u6027\u80fd\u6700\u4f18\u5316\uff0c\u76f8\u7b49\u7684\u5bf9\u8c61\uff08\u6309equals()<\/code>\u65b9\u6cd5\u5224\u65ad\uff09\u5e94\u8be5\u6709\u76f8\u540c\u7684\u54c8\u5e0c\u7801\u3002<\/li>\n<\/ol>\n\n\n\n

    String<\/code>\u7c7b\u5df2\u7ecf\u5b9e\u73b0\u4e86equals()<\/code>\u548chashCode()<\/code>\u65b9\u6cd5\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5f88\u9002\u5408\u4f5c\u4e3aHashMap<\/code>\u7684\u952e\u3002\u4f46\u662f\uff0c\u5176\u4ed6\u7c7b\uff0c\u53ea\u8981\u6b63\u786e\u5730\u5b9e\u73b0\u4e86\u8fd9\u4e24\u4e2a\u65b9\u6cd5\uff0c\u90fd\u53ef\u4ee5\u4f5c\u4e3aHashMap<\/code>\u7684\u952e\u3002<\/p>\n\n\n\n

    <\/p>\n\n\n\n

    hashmap key\u53ef\u4ee5\u4e3anull\u5417\uff1f<\/p>\n\n\n\n

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    hashmap\u7684key\u53ea\u80fd\u662fstring\u5417? \u5b9e\u9645\u4e0a\uff0cJava\u7684HashMap\u7684\u952e\uff08key\uff09\u5e76\u4e0d\u4ec5\u9650\u4e8eStri […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[46],"_links":{"self":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4284"}],"collection":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4284"}],"version-history":[{"count":7,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4284\/revisions"}],"predecessor-version":[{"id":4291,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4284\/revisions\/4291"}],"wp:attachment":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}