{"id":494,"date":"2023-11-30T13:24:01","date_gmt":"2023-11-30T05:24:01","guid":{"rendered":"http:\/\/mapleleaf666.vip\/?p=494"},"modified":"2023-11-30T15:19:18","modified_gmt":"2023-11-30T07:19:18","slug":"java%e6%80%bb%e7%bb%93%ef%bc%881%ef%bc%89-java%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"http:\/\/mapleleaf666.vip\/?p=494","title":{"rendered":"Java\u603b\u7ed3\uff081\uff09–Java\u57fa\u7840"},"content":{"rendered":"\n

\u672c\u6587\u4e3b\u8981\u7528\u4e8e\u8bb0\u5f55\u5e38\u89c1\u7684Java\u57fa\u7840\u77e5\u8bc6\u7684\u7ec6\u8282\u95ee\u9898\uff0c\u4f1a\u4e0d\u65ad\u66f4\u65b0\u3002<\/p>\n\n\n\n

\u5305\u88c5\u7c7b\u578b<\/h3>\n\n\n\n

\u57fa\u7840\u7c7b\u578b\u4e4b\u95f4==\u6bd4\u8f83\u7684\u662f\u503c\uff0c\u800c\u5305\u88c5\u7c7b\u578b\u4e4b\u95f4==\u6bd4\u8f83\u7684\u662f\u4e24\u4e2a\u5bf9\u8c61\u7684\u5185\u5b58\u5730\u5740\uff0c\u9700\u8981\u901a\u8fc7.equal\u6765\u6bd4\u8f83\u503c<\/p>\n\n\n\n

\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u5305\u88c5\u7c7b\u578b\u90fd\u901a\u8fc7\u7f13\u5b58\u673a\u5236\u6765\u63d0\u5347\u6027\u80fd\uff0cByte<\/code>,Short<\/code>,Integer<\/code>,Long<\/code> \u8fd9 4 \u79cd\u5305\u88c5\u7c7b\u9ed8\u8ba4\u521b\u5efa\u4e86\u6570\u503c [-128\uff0c127]<\/strong> \u7684\u76f8\u5e94\u7c7b\u578b\u7684\u7f13\u5b58\u6570\u636e\uff0cCharacter<\/code> \u521b\u5efa\u4e86\u6570\u503c\u5728 [0,127]<\/strong> \u8303\u56f4\u7684\u7f13\u5b58\u6570\u636e\uff0cBoolean<\/code> \u76f4\u63a5\u8fd4\u56de True<\/code> or False<\/code>\u3002\u4ee5Integer\u4e3a\u4f8b\uff1apublic static Integer valueOf(int i) {
   if (i >= IntegerCache.low && i <= IntegerCache.high)
       return IntegerCache.cache[i + (-IntegerCache.low)];
   return new Integer(i);
}
private static class IntegerCache {
   static final int low = -128;
   static final int high;
   static {
       \/\/ high value may be configured by property
       int h = 127;
  }
}<\/p>\n\n\n\n

\u6df1\u62f7\u8d1d\u6d45\u62f7<\/h3>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u5bf9\u8c61<\/h3>\n\n\n\n

==<\/code><\/strong> \u5bf9\u4e8e\u57fa\u672c\u7c7b\u578b\u548c\u5f15\u7528\u7c7b\u578b\u7684\u4f5c\u7528\u6548\u679c\u662f\u4e0d\u540c\u7684\uff1a<\/p>\n\n\n\n

    \n
  • \u5bf9\u4e8e\u57fa\u672c\u6570\u636e\u7c7b\u578b\u6765\u8bf4\uff0c==<\/code> \u6bd4\u8f83\u7684\u662f\u503c\u3002<\/li>\n\n\n\n
  • \u5bf9\u4e8e\u5f15\u7528\u6570\u636e\u7c7b\u578b\u6765\u8bf4\uff0c==<\/code> \u6bd4\u8f83\u7684\u662f\u5bf9\u8c61\u7684\u5185\u5b58\u5730\u5740\u3002<\/li>\n<\/ul>\n\n\n\n

    String<\/code> \u4e2d\u7684 equals<\/code> \u65b9\u6cd5\u662f\u88ab\u91cd\u5199\u8fc7\u7684\uff0c\u56e0\u4e3a Object<\/code> \u7684 equals<\/code> \u65b9\u6cd5\u662f\u6bd4\u8f83\u7684\u5bf9\u8c61\u7684\u5185\u5b58\u5730\u5740\uff0c\u800c String<\/code> \u7684 equals<\/code> \u65b9\u6cd5\u6bd4\u8f83\u7684\u662f\u5bf9\u8c61\u7684\u503c\u3002<\/p>\n\n\n\n

    hashCode\uff08\uff09<\/h3>\n\n\n\n

    \u83b7\u53d6\u54c8\u5e0c\u7801\uff0c\u786e\u8ba4\u5bf9\u8c61\u5728\u54c8\u5e0c\u8868\u4e2d\u7684\u4f4d\u7f6e\u3002<\/p>\n\n\n\n

    \u5185\u90e8\u7c7b<\/h3>\n\n\n\n
    \"\"<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"

    \u672c\u6587\u4e3b\u8981\u7528\u4e8e\u8bb0\u5f55\u5e38\u89c1\u7684Java\u57fa\u7840\u77e5\u8bc6\u7684\u7ec6\u8282\u95ee\u9898\uff0c\u4f1a\u4e0d\u65ad\u66f4\u65b0\u3002 \u5305\u88c5\u7c7b\u578b \u57fa\u7840\u7c7b\u578b\u4e4b\u95f4==\u6bd4\u8f83\u7684\u662f\u503c\uff0c\u800c\u5305\u88c5\u7c7b […]<\/p>\n","protected":false},"author":1,"featured_media":169,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[33],"class_list":["post-494","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-note","tag-java"],"_links":{"self":[{"href":"http:\/\/mapleleaf666.vip\/index.php?rest_route=\/wp\/v2\/posts\/494","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/mapleleaf666.vip\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/mapleleaf666.vip\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/mapleleaf666.vip\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/mapleleaf666.vip\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=494"}],"version-history":[{"count":2,"href":"http:\/\/mapleleaf666.vip\/index.php?rest_route=\/wp\/v2\/posts\/494\/revisions"}],"predecessor-version":[{"id":514,"href":"http:\/\/mapleleaf666.vip\/index.php?rest_route=\/wp\/v2\/posts\/494\/revisions\/514"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/mapleleaf666.vip\/index.php?rest_route=\/wp\/v2\/media\/169"}],"wp:attachment":[{"href":"http:\/\/mapleleaf666.vip\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/mapleleaf666.vip\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=494"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/mapleleaf666.vip\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}