{"id":317955,"date":"2021-02-04T18:21:30","date_gmt":"2021-02-04T10:21:30","guid":{"rendered":"http:\/\/4563.org\/?p=317955"},"modified":"2021-02-04T18:21:30","modified_gmt":"2021-02-04T10:21:30","slug":"vector-%e7%9a%84-get-%e6%96%b9%e6%b3%95%e4%b8%ba%e4%bb%80%e4%b9%88%e4%b9%9f%e8%a6%81%e5%90%8c%e6%ad%a5%e5%91%a2%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=317955","title":{"rendered":"Vector \u7684 get \u65b9\u6cd5\u4e3a\u4ec0\u4e48\u4e5f\u8981\u540c\u6b65\u5462\uff1f"},"content":{"rendered":"
\n
\n
\n

Vector \u7684 get \u65b9\u6cd5\u4e3a\u4ec0\u4e48\u4e5f\u8981\u540c\u6b65\u5462\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : brucefu <\/span> <\/i> 1<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u4e0d\u4fee\u6539\u6570\u636e\u4e5f\u8981\u540c\u6b65\u65b9\u6cd5\u5417\uff1f\u4e0d\u540c\u6b65\u6709\u95ee\u9898\uff1f\u53ef\u89c1\u6027\u95ee\u9898\uff1f public synchronized E get(int index) { if (index >= elementCount) throw new ArrayIndexOutOfBoundsException(index);<\/p>\n

    return elementData(index); } <\/code><\/pre>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (10<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : yRebelHero <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5982\u679c\u5176\u4ed6\u7ebf\u7a0b\u5728\u8be5\u7ebf\u7a0b\u83b7\u53d6\u94fe\u8868\u4e4b\u540e\u53d8\u66f4\u4e86\u94fe\u8868\u5462\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : yRebelHero <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5bf9\u4e0d\u8d77\uff0c\u662f\u6570\u7ec4\uff0c\u8111\u62bd\u4e86\u4e00\u4e0b\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : palmers <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u662f \u53ef\u89c1\u6027\u95ee\u9898 \u56e0\u4e3a\u5185\u90e8\u6570\u7ec4\u6ca1\u6709\u4f7f\u7528 volatile \u4fee\u9970\uff0c \u591a\u7ebf\u7a0b\u4e0b\u516c\u7528\u5b9e\u4f8b\u5c31\u4f1a\u6709\u83b7\u53d6\u5230\u9519\u8bef\u7684\u6570\u636e\u7684\u53ef\u80fd\u6027                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : nicocho <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @yRebelHero \u662f\u8fd9\u6837\u7684\uff0c\u4f46\u662f vector \u4e0d\u662f\u57fa\u4e8e\u6570\u7ec4\u7684\u4e48\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : nicocho <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @yRebelHero \u6700\u8fd1\u5728\u590d\u4e60\u6570\u636e\u7ed3\u6784\uff0c\u5bf9\u8fd9\u4e9b\u6709\u70b9\u6267\u62d7 \uff0c \u54c8\u54c8                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : 340244120w <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5e76\u53d1\u7f16\u7a0b\u5b9e\u8df5 3.1.3<\/p>\n
    \u9501\u4e0d\u4ec5\u4ec5\u662f\u5173\u4e8e\u540c\u6b65\u4e0e\u4e92\u65a5\u7684,\u4e5f\u662f\u5173\u4e8e\u5185\u5b58\u53ef\u89c1\u7684\u3002\u4e3a\u4e86\u4fdd\u8bc1\u6240\u6709\u7ebf\u7a0b\u90fd\u80fd \u591f\u770b\u5230\u5171\u4eab\u7684\u3001\u53ef\u53d8\u53d8\u91cf\u7684\u6700\u65b0\u503c,\u8bfb\u53d6\u548c\u5199\u5165\u7ebf\u7a0b\u5fc5\u987b\u4f7f\u7528\u516c\u5171\u7684\u9501\u8fdb\u884c\u540c\u6b65\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : kzaemrio <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u56e0\u4e3a\u4f60\u65e0\u6cd5\u786e\u5b9a\u662f\u5426\u4f1a\u51fa\u73b0\u591a\u7ebf\u7a0b\u4fee\u6539\u4e86\u6570\u636e\uff0c\u591a\u7ebf\u7a0b\u8bbf\u95ee\u53ef\u80fd\u83b7\u53d6\u4e0d\u540c\u7684\u7ed3\u679c<\/p>\n
    \u5982\u679c\u80fd\u786e\u5b9a\u7ebf\u7a0b\u5b89\u5168\uff0c\u5c31\u8be5\u7528 ArrayList \u800c\u4e0d\u662f Vector                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : yRebelHero <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @nicocho \u6211\u4e0b\u9762\u9a6c\u4e0a\u66f4\u6b63\u4e86\u4e00\u4e0b\uff0c\u521a\u5f00\u59cb\u7684\u65f6\u5019\u8111\u62bd\u6253\u9519\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : brucefu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @kzaemrio \u4f60\u5728\u5df4\u5df4\u4ec0\u4e48\uff0c\u516b\u80a1\u6587\u80cc\u591a\u4e86\u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : spinecho <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 Vector \u8fd9\u73a9\u610f\u53ea\u6709\u5728\u9762\u8bd5\u4e2d\u624d\u7528\u5427\u3002\u4f60\u4eec\u5199\u4ee3\u7801\u7528 Vector \u5417\uff1f\u597d\u5947                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    Vector \u7684 get \u65b9\u6cd5\u4e3a\u4ec0…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/317955"}],"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=317955"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/317955\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=317955"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=317955"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=317955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}