{"id":6823,"date":"2022-08-01T13:51:09","date_gmt":"2022-08-01T05:51:09","guid":{"rendered":"http:\/\/123.57.164.21\/?p=6823"},"modified":"2022-08-01T13:51:09","modified_gmt":"2022-08-01T05:51:09","slug":"java-integer-valueof%e7%9a%84%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=6823","title":{"rendered":"Java Integer. valueOf()\u7684\u4f7f\u7528"},"content":{"rendered":"\n<p><strong>Integer. valueOf()\u65b9\u6cd5\u7684\u4f5c\u7528<\/strong><\/p>\n\n\n\n<p>Integer. valueOf()\u53ef\u4ee5\u5c06\u57fa\u672c\u7c7b\u578bint\u8f6c\u6362\u4e3a\u5305\u88c5\u7c7b\u578bInteger\uff0c\u6216\u8005\u5c06String\u8f6c\u6362\u6210Integer\uff0cString\u5982\u679c\u4e3aNull\u6216\u201c\u201d\u90fd\u4f1a\u62a5\u9519\u3002<\/p>\n\n\n\n<p><strong>Integer. valueOf()\u662f\u9ad8\u6548\u7684<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  public static Integer valueOf(int i) {\n        if (i >= IntegerCache.low &amp;&amp; i &lt;= IntegerCache.high)\n            return IntegerCache.cache[i + (-IntegerCache.low)];\n        return new Integer(i);\n    }<\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-1-1024x588.png\" alt=\"\" class=\"wp-image-6824\" width=\"437\" height=\"251\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-1-1024x588.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-1-300x172.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-1-768x441.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-1-830x477.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-1-230x132.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-1-350x201.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-1-480x276.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-1.png 1062w\" sizes=\"(max-width: 437px) 100vw, 437px\" \/><\/figure><\/div>\n\n\n\n<p>\u4ece\u4ed6\u7684\u5b9e\u73b0\u65b9\u6cd5\u53ef\u4ee5\u770b\u51fa\u4ed6int\u5728[-128,127]\u4e4b\u95f4\u7684\u65f6\u5019\u4ed6\u4f1a\u76f4\u63a5\u62ff\u7f13\u5b58\uff0c\u800c\u4e0d\u4f1anew Integer(),Integer.valueOf()\u65b9\u6cd5\u57fa\u4e8e\u51cf\u5c11\u5bf9\u8c61\u521b\u5efa\u6b21\u6570\u548c\u8282\u7701\u5185\u5b58\u7684\u8003\u8651\uff0c\u7f13\u5b58\u4e86[-128,127]\u4e4b\u95f4\u7684\u6570\u5b57\u3002\u6b64\u6570\u5b57\u8303\u56f4\u5185\u4f20\u53c2\u5219\u76f4\u63a5\u8fd4\u56de\u7f13\u5b58\u4e2d\u7684\u5bf9\u8c61\u3002\u5728\u6b64\u4e4b\u5916\uff0c\u76f4\u63a5new\u51fa\u6765\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u4ee5\u4e0b\u73b0\u8c61\u53ef\u4ee5\u5f97\u5230\u89e3\u91ca\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-2-790x1024.png\" alt=\"\" class=\"wp-image-6825\" width=\"455\" height=\"589\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-2-790x1024.png 790w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-2-231x300.png 231w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-2-768x996.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-2-1185x1536.png 1185w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-2-830x1076.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-2-230x298.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-2-350x454.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-2-480x622.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-2.png 1188w\" sizes=\"(max-width: 455px) 100vw, 455px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-3-782x1024.png\" alt=\"\" class=\"wp-image-6826\" width=\"459\" height=\"601\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-3-782x1024.png 782w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-3-229x300.png 229w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-3-768x1005.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-3-830x1087.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-3-230x301.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-3-350x458.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-3-480x628.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-3.png 1158w\" sizes=\"(max-width: 459px) 100vw, 459px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u7559\u4e00\u4e2a\u5c0f\u95ee\u9898\uff1a\u00a0 \u5927\u5bb6\u60f3\u4e00\u60f3\u8fd9\u662f\u4e3a\u4ec0\u4e48\u5462<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-4-1024x405.png\" alt=\"\" class=\"wp-image-6827\" width=\"515\" height=\"204\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-4-1024x405.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-4-300x119.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-4-768x304.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-4-1536x608.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-4-830x329.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-4-230x91.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-4-350x139.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-4-480x190.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/\u56fe\u7247-4.png 1556w\" sizes=\"(max-width: 515px) 100vw, 515px\" \/><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Integer. valueOf()\u65b9\u6cd5\u7684\u4f5c\u7528 Integer. valueOf()\u53ef\u4ee5\u5c06\u57fa\u672c\u7c7b\u578bint\u8f6c\u6362\u4e3a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/6823"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6823"}],"version-history":[{"count":2,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/6823\/revisions"}],"predecessor-version":[{"id":6829,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/6823\/revisions\/6829"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}