{"id":553284,"date":"2022-01-27T12:43:02","date_gmt":"2022-01-27T04:43:02","guid":{"rendered":"http:\/\/4563.org\/?p=553284"},"modified":"2022-01-27T12:43:02","modified_gmt":"2022-01-27T04:43:02","slug":"java-string-str1-new-string%e6%82%9f%e7%a9%ba-new-string%e5%85%ab%e6%88%92-string-str2-str1-intern-3","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=553284","title":{"rendered":"[ Java ] String str1 = new String(“\u609f\u7a7a”) + new String(“\u516b\u6212”); String str2 = str1.intern();"},"content":{"rendered":"
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[ Java ] String str1 = new String(“\u609f\u7a7a”) + new String(“\u516b\u6212”); String str2 = str1.intern(); <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : sugz <\/span> <\/i> 25<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
System.out.println(str1 == str2);
true
\u4eca\u5929\u770b\u4e86\u5e38\u91cf\u6c60\u8fd9\u4e2a\u4e1c\u897f\uff0c\u611f\u89c9\u90fd\u7ed5\u6655\u4e86 <\/div>\n
\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (11<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : mercury233 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u66fe\u7ecf\u4e0d\u770b\u6559\u6750\u76f4\u63a5\u6539\u8fc7 java \u4ee3\u7801\uff0c\u88ab\u5b57\u7b26\u4e32\u76f8\u7b49\u7684\u5224\u65ad\u5751\u4e86\u4e00\u8138\uff0c\u7b80\u76f4\u4e0d\u50cf\u9ad8\u7ea7\u8bed\u8a00 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : orangie <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53ea\u80fd\u8bf4\uff0cjava \u5f88\u5fe0\u5b9e\u5730\u544a\u8bc9\u4f60\u4e24\u4e2a\u6307\u9488\u662f\u76f8\u7b49\u7684\u2026\u2026\u4e56\u4e56\u7528 equals <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : AoEiuV020 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8001\u9762\u8bd5\u9898\u4e86\uff0c\u7136\u800c\u5e94\u7528\u5c42\u5f00\u53d1\u538b\u6839\u4e0d\u8be5\u7ba1\u8fd9\u4e2a\uff0c\u65e0\u8111 equals \uff0c\u4efb\u4f55\u65f6\u5019\u90fd\u4e0d\u8981\u7528==\u5224\u65ad\u5b57\u7b26\u4e32\u76f8\u7b49\uff0c <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : hidemyself <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    String str1 = new String(“ja”) + new String(“va”);\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000
    String str2 = str1.intern()\uff1b\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000
    System.out.println(str1==str2);\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000
    \u8bd5\u4e0b\u8fd9\u4e2a
    \u8d34\u4e00\u4e2a R \u5927\u7684\u56de\u7b54\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000
    \u5982\u4f55\u7406\u89e3\u300a\u6df1\u5165\u7406\u89e3 java \u865a\u62df\u673a\u300b\u7b2c\u4e8c\u7248\u4e2d\u5bf9 String.intern()\u65b9\u6cd5\u7684\u8bb2\u89e3\u4e2d\u6240\u4e3e\u7684\u4f8b\u5b50\uff1f – RednaxelaFX \u7684\u56de\u7b54 – \u77e5\u4e4e
    https:\/\/www.zhihu.com\/question\/51102308\/answer\/124441115 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sugz <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @AoEiuV020 \u54ce\uff0c\u592a\u5377\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sugz <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @hidemyself \u672c\u6765\u6709\u70b9\u4e86\u89e3\u4e86\uff0c\u4f60\u8fd9\u4e3e\u4e2a\u4f8b\u5b50\u53c8\u8ff7\u7cca\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : anzu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @hidemyself \u6709\u62ff\u8fd9\u4e2a\u6765\u5f53\u9762\u8bd5\u9898\u7684\uff0c\u76ee\u7684\u4e0d\u5728\u4e8e\u9898\u76ee\u672c\u8eab\uff0c\u800c\u662f\u6d4b\u8bd5\u9762\u8bd5\u4eba\u6709\u6ca1\u6709\u8bfb\u8fc7\u8fd9\u672c\u4e66\uff0c\u6ca1\u770b\u8fc7\u5c31\u7b54\u4e0d\u4e0a\u6765\u3002\u90fd\u5377\u5230\u8fd9\u5730\u6b65\u4e86\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : SurfaceView <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u6ca1\u8bb0\u9519\u7684\u8bdd 1.7 \u548c 1.8 \u7684\u8bdd\u8fd9\u4e2a\u7b54\u6848\u8fd8\u4e0d\u4e00\u6837 \u8fd9\u79cd\u516b\u80a1\u6587\u771f\u662f\u6ca1\u610f\u601d\u3002\u3002\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : kop1989 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u7c7b\u4f3c\u7684\u8fd8\u6709 Integer == Integer \uff08\u4f2a\u4ee3\u7801\uff09
    \u867d\u7136\u6211\u672c\u4eba\u4e0d\u9762\u8bd5\u540e\u7aef\u7684\u5e94\u8058\u8005\uff0c\u4f46\u80fd\u56de\u7b54\u6b63\u786e\u8fd9\u4e2a\u95ee\u9898\uff0c\u5728\u6211\u672c\u4eba\u7684\u5fc3\u76ee\u4e2d\u80af\u5b9a\u662f\u4e0d\u52a0\u5206\u7684\u3002
    \u53ea\u80fd\u8bc1\u660e\u4ed6 \/\u5979\u771f\u7684\u8ba4\u771f\u80cc\u8fc7\u9898\uff0c\u6240\u4ee5\u6211\u63a5\u4e0b\u6765\u548c\u4ed6 \/\u5979\u7684\u4ea4\u6d41\u6211\u8981\u5c0f\u5fc3\u9a8c\u8bc1\u5176\u5de5\u4f5c\u7ecf\u5386\uff0c\u4ee5\u53ca\u5176\u6280\u672f\u638c\u63e1\u5ea6\u7684\u771f\u5b9e\u6027\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : hidemyself <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @anzu
    @kop1989
    \u989d\uff0c\u8fd9\u4e2a\u6211\u8fd8\u771f\u4f1a\u3002\u3002
    \u5927\u73af\u5883\u5c31\u662f\u8fd9\u6837\uff0c\u9762\u8bd5\u52a8\u8f84\u5e95\u5c42\u6e90\u7801\u5b9e\u73b0\uff0c\u5404\u79cd\u504f\u9898\u602a\u9898\uff0c\u6709\u4ec0\u4e48\u529e\u6cd5\uff1f
    \u6211\u9762\u7684\u5927\u591a\u6570\u90fd\u4f1a\u95ee GC \u8c03\u4f18\uff0c\u4f46\u662f\u5728\u6211\u6709\u9650\u7684\u804c\u4e1a\u7ecf\u5386\u4e2d\uff0c\u9700\u8981\u5f00\u53d1\u8005\u53bb GC \u8c03\u4f18\u7684\u60c5\u51b5\u57fa\u672c\u6ca1\u6709\uff0c\u53ea\u80fd\u80cc
    \u66f4\u4e0d\u7528\u8bf4 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ye4tar <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e00\u5bf9\u53cc\u80de\u80ce Alice \u548c Bob,\u7b80\u76f4\u4e00\u6a21\u4e00\u6837\uff0c\u5224\u65ad\u76f8\u7b49\u7684\u65f6\u5019\u80fd\u7528==\u5417\uff1f\u4e0d\u80fd\uff0c\u5e94\u4e3a\u4ed6\u4eec\u4e0d\u662f\u540c\u4e00\u4e2a\u4eba\u554a\u3002\u7528 equals \u5c31\u53ef\u4ee5\u3002
    Alice \u6709\u4e2a\u5916\u53f7\u53eb Alex \uff0c\u73b0\u5728\u95ee\u4f60 Alex \u548c Alice \u76f8\u7b49\u5417\uff0c\u662f\u7684\uff0c\u662f==\u7684\u3002
    ==\u8bf4\u660e\u4e24\u8005\u5c31\u662f\u4e00\u4e2a\u5bf9\u8c61
    equals \u8bf4\u660e\u4e24\u8005\u4e00\u6a21\u4e00\u6837\uff0c\u4f46\u4e0d\u662f\u540c\u4e00\u4e2a\u5bf9\u8c61\uff0c\u540c\u65f6\u8fd9\u4e2a\u4e00\u6a21\u4e00\u6837\u7684\u6bd4\u8f83\u6807\u51c6\u53d6\u51b3\u4e0e\u5bf9\u8c61\u7684 hashcode \u5b9e\u73b0 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    [ Java ] String s…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/553284"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=553284"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/553284\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=553284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=553284"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=553284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}