{"id":165321,"date":"2020-10-04T09:57:14","date_gmt":"2020-10-04T01:57:14","guid":{"rendered":"http:\/\/4563.org\/?p=165321"},"modified":"2020-10-04T09:57:14","modified_gmt":"2020-10-04T01:57:14","slug":"%e5%85%b3%e4%ba%8e-volatile-%e5%8f%af%e8%a7%81%e6%80%a7%e7%9a%84%e4%b8%80%e4%b8%aa%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=165321","title":{"rendered":"\u5173\u4e8e volatile \u53ef\u89c1\u6027\u7684\u4e00\u4e2a\u95ee\u9898"},"content":{"rendered":"
\n
\n
\n

\u5173\u4e8e volatile \u53ef\u89c1\u6027\u7684\u4e00\u4e2a\u95ee\u9898 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : mtmax <\/span> <\/i> 3<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u4e3a\u5565\u7ebf\u7a0b\u8bfb\u53d6\u4e86\u4e00\u4e2a volatile \u53d8\u91cf b, \u5c45\u7136\u80fd\u540c\u65f6\u8bfb\u5230\u975e volatile \u53d8\u91cf a \u7684\u6700\u65b0\u503c<\/p>\n

<\/p>\n

static long a = 0;  static long p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15, p16;  static volatile long b = 0;  public static void main(String[] args) throws InterruptedException {      new Thread(() -> {         while (a == 0) {             long x = b; \/\/ \u4e3a\u4ec0\u4e48\u8fd9\u91cc\u8bfb b, \u80fd\u8ba9\u7ebf\u7a0b\u540c\u65f6\u8bfb\u5230 a \u7684\u6700\u65b0\u503c?  \u5982\u679c\u6ce8\u91ca\u8fd9\u884c, a \u5c31\u8bfb\u4e0d\u5230         }         System.out.println(\"a=\" + a);     }).start();      Thread.sleep(100);      a = 1; } <\/code><\/pre>\n
 <\/code>  <\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (25<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : vk42 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8fd9\u6ca1\u4ec0\u4e48\u95ee\u9898\u554a\uff0c\u6ca1\u6709 volatile \u53ea\u662f\u4e0d\u4fdd\u8bc1\u6bcf\u6b21\u5f15\u7528\u90fd\u4f1a\u5b9e\u9645\u53d6\u503c\uff0c\u53c8\u4e0d\u662f\u8bf4\u80af\u5b9a\u4e0d\u4f1a\u53d6\u503c\u554a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : mtmax <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @vk42 \u4f46\u662f\u6ce8\u91ca\u8bfb b \u7684\u90a3\u884c\u540e, \u5c31\u6ca1\u6cd5\u8bfb\u5230 a \u7684\u6700\u65b0\u503c\u4e86
    \u6211\u7684\u7406\u89e3\u662f\u65e0\u6cd5\u8bfb\u53d6 a \u7684\u6700\u65b0\u503c\u662f\u6b63\u786e\u7684, \u56e0\u4e3a a \u6ca1\u6709\u53ef\u89c1\u6027
    \u4f46\u662f\u95ee\u9898\u662f\u8bfb b \u540e, a \u4f3c\u4e4e\u5177\u5907\u4e86\u53ef\u89c1\u6027, \u8fd9\u5f88\u5947\u602a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : momocraft <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u611f\u89ba\u662f\u6c92\u6709\u660e\u6587\u4fdd\u8b49\u7684\u884c\u7232<\/p>\n
    \u5982\u679c\u4e3b\u7dda\u7a0b\u5beb\u4e86 b\uff0c\u65b0\u7dda\u7a0b\u8b80\u5230 b \u6642\u61c9\u4fdd\u8b49\u8b80\u5230 (\u6240\u6709 happens-before (\u5beb b \u7684\u90a3\u6b21\u64cd\u4f5c) \u7684\u5beb\u7d50\u679c)\u3002\u4f46\u662f\u9019\u88cf\u53c8\u6c92\u6709\u5beb b \u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : momocraft <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u53ef\u898b\u6027\u662f\u6709\u5f62\u5f0f\u5b9a\u7fa9\u7684
    \u5be6\u9a57+\u731c\u5c6c\u65bc cargo cult\uff0c\u4e0d\u5982\u5148\u770b\u6a19\u6e96                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : vk42 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @mtmax volatile \u5565\u65f6\u5019\u6709\u53ef\u89c1\u6027\u7684\u610f\u601d\uff1f volatile \u5c31\u662f\u5b57\u9762\u610f\u601d\u8bf4\u660e\u53d8\u91cf\u503c\u201c\u6613\u53d8\u201d\uff0c\u4e00\u822c\u5c31\u662f\u4f1a\u88ab\u786c\u4ef6\u6216\u5176\u5b83\u7ebf\u7a0b\u4fee\u6539\u7684\u53d8\u91cf\u3002\u4e0d\u7ed9 a \u52a0 volatile \u7684\u65f6\u5019\u4f60\u8bf4\u7684\u4e24\u79cd\u60c5\u51b5\u90fd\u6ca1\u5565\u95ee\u9898\uff0c\u5b8c\u5168\u53d6\u51b3\u4e8e\u7f16\u8bd1\u5668\u600e\u4e48\u5904\u7406                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : littlewing <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @vk42 
    java \u7684 volatile \u4f7f\u7528\u4e86\u5185\u5b58\u5c4f\u969c\uff0c\u786e\u5b9e\u6709\u53ef\u89c1\u6027\u7684\u8bed\u4e49
    c\/c++\u7684 volatile \u548c java \u7684\u8bed\u4e49\u4e0d\u4e00\u6837\uff0c\u53ea\u4fdd\u8bc1\u4e0d\u88ab\u7f16\u8bd1\u4f18\u5316\u3001\u6307\u4ee4\u91cd\u6392\u548c\u5bc4\u5b58\u5668\u7f13\u5b58\uff0c\u53ef\u89c1\u6027\u548c\u539f\u5b50\u6027\u4e0d\u4fdd\u8bc1                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : littlewing <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5173\u952e\u5b57\uff0cjava \u3001volatile \u3001memory barrier                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : sagaxu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5e72\u6270\u56e0\u7d20\u5f88\u591a\uff0c
    1. System.out \u5185\u90e8\u52a0\u9501\uff0c\u81ea\u5e26\u7ebf\u7a0b\u540c\u6b65
    2. Thread.sleep \u7b49\u7ebf\u7a0b\u65b9\u6cd5\u4f1a\u4e0d\u4f1a\u4e5f\u9690\u542b\u540c\u6b65?
    3. a=1 \u4e4b\u540e\u7ebf\u7a0b\u9000\u51fa\uff0c\u6709\u6ca1\u6709\u53ef\u80fd\u5f15\u8d77\u540c\u6b65\uff1f<\/p>\n
    @vk42 volatile \u5728 jvm \u91cc\u6709\u53ef\u89c1\u6027\u4fdd\u8bc1                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : vk42 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @littlewing @sagaxu \u6211\u5bf9 JVM \u5185\u5b58\u6a21\u578b\u786e\u5b9e\u4e0d\u592a\u4e86\u89e3\uff0c\u4e0d\u8fc7\u8fd9\u4e2a\u95ee\u9898\u548c\u539f\u5b50\u6027\u548c barrier \u5e76\u6ca1\u6709\u5173\u7cfb\u3002\u4f46 lz \u7684\u95ee\u9898\u5728\u4e8e\u7406\u89e3 volatile \u4fdd\u8bc1\u53ef\u89c1\u6027\uff0c\u4e0d\u4ee3\u8868\u6ca1\u6709 volatile \u53d8\u91cf\u5c31\u6ca1\u6709\u4e86\u53ef\u89c1\u6027\uff0c\u5e94\u8be5\u8bf4\u4e0d\u52a0 volatile \u7684\u65f6\u5019\u884c\u4e3a\u662f\u4e0d\u53ef\u786e\u5b9a\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : mtmax <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @sagaxu 
    1.System.out \u524d\u5c31\u5df2\u7ecf\u8bfb\u5230 a=1 \u9000\u51fa while \u5faa\u73af\u4e86
    2.sleep \u4f3c\u4e4e\u6ca1\u6709\u53ef\u89c1\u6027\u7684\u4fdd\u8bc1, \u5c31\u7b97\u6709, \u90a3\u4e48\u6ce8\u91ca\u6389 long x = b \u8fd9\u884c, \u7ebf\u7a0b\u4e5f\u5e94\u8be5\u9000\u51fa while \u5faa\u73af, \u4f46\u5b9e\u9645\u4e0a\u6ce8\u91ca\u6389\u540e\u5c31\u65e0\u6cd5\u9000\u51fa while \u5faa\u73af
    3.\u540c 2 
    \u6211\u89c9\u5f97\u95ee\u9898\u53ef\u80fd\u5c31\u5728\u8bfb b \u8fd9\u884c\u4ee3\u7801\u4e0a, \u5177\u4f53\u4e0d\u592a\u6e05\u695a…                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : mtmax <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6000\u7591\u662f\u5185\u5b58\u5c4f\u969c\u7684\u539f\u56e0                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : sagaxu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 Synchronization actions, which are:<\/p>\n
    Volatile read. A volatile read of a variable.<\/p>\n
    Volatile write. A volatile write of a variable.<\/p>\n
    Lock. Locking a monitor<\/p>\n
    Unlock. Unlocking a monitor.<\/p>\n
    The (synthetic) first and last action of a thread.<\/p>\n
    Actions that start a thread or detect that a thread has terminated (\u00a717.4.4).                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : iseki <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u9996\u5148 volatile \u7684\u4fdd\u8bc1\u662f\u5355\u65b9\u9762\u7684\uff0c\u4fdd\u8bc1\u52a0\u4e0a\u80fd\u8bfb\u5230\u6700\u65b0\u503c\uff0c\u4e0d\u4fdd\u8bc1\u4e0d\u52a0\u4e0a\u5c31\u4e00\u5b9a\u8bfb\u4e0d\u5230\u6700\u65b0\u503c\u3002
    \u81f3\u4e8e\u51fa\u73b0\u8fd9\u4e2a\u73b0\u8c61\u7684\u539f\u56e0\u53ef\u80fd\u662f volatile \u7528\u4e86\u5185\u5b58\u5c4f\u969c\uff0c\u8fd9\u73a9\u610f\u513f\u4f1a\u5f71\u54cd\u7684\u7c92\u5ea6\u6bd4\u8f83\u5927\uff0c\u7275\u626f\u4e0a\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : iseki <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6240\u4ee5\u8bf4\u8fd9\u4e2a\u95ee\u9898\u5176\u5b9e\u7275\u626f\u5230 JVM \u5e95\u5c42\u5bf9 volatile \u7684\u5b9e\u73b0\uff0c\u5c5e\u4e8e\u89c4\u8303\u4ee5\u5916\u7684\u5b9e\u73b0\u7ec6\u8282\uff08\u4e0d\u8981\u9762\u5411\u8fd9\u79cd\u4e1c\u897f\u7f16\u7a0b                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : sagaxu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @mtmax \u8bd5\u8bd5\u5728 a=1 \u4e4b\u540e\u52a0\u4e00\u884c
    Thread.sleep(1000)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : az467 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 > \u5982\u679c\u6ce8\u91ca\u8fd9\u884c, a \u5c31\u8bfb\u4e0d\u5230\u3002<\/p>\n
    \u8fd9\u7b80\u5355\uff0c\u4f60\u628a JIT \u5173\u6389\u5c31\u884c\u4e86\uff08\u5982\u679c\u4f60\u4e5f\u662f open JDK \uff09\u3002 
    \u4f30\u8ba1\u662f JVM \u76f4\u63a5\u5e2e\u4f60\u628a while \uff08 a == 0 \uff09\u66ff\u6362\u6210 while \uff08 0 == 0 \uff09\u6216\u8005 while \uff08 true \uff09\u4e86\u3002<\/p>\n
    \u6240\u4ee5\u8bf4\u8fd9\u8ddf\u53ef\u89c1\u6027\u6839\u672c\u5c31\u6ca1\u6709\u5173\u7cfb\uff0c\u53ea\u8ddf JVM \u7684\u5177\u4f53\u5b9e\u73b0\u6709\u5173\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : octobered <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u7528 gdb \u641e\u4e86\u4e00\u4e0b\uff0c\u786e\u5b9e\u662f @az467 \u8bf4\u7684\u8fd9\u6837\u5b50\u7684\uff0c\u8bbe\u7f6e\u4e86 -Djava.compiler=NONE \u5c31\u53ef\u4ee5\u89e3\u51b3\u4e86
    \u5177\u4f53\u62ff gdb \u53cd\u6c47\u7f16\u51fa\u6765\u662f\u8fd9\u6837\u7684
     0x7f714b23cfec: movabs $0x45044ff28,%r10
     0x7f714b23cff6: mov 0x70(%r10),%r10 \/\/ \u7a0d\u665a\u65f6\u5019\u770b\uff0c0x45044ff28+0x70 \u8fd9\u4e2a\u4f4d\u7f6e\u786e\u5b9e\u5df2\u7ecf\u662f 1 \u4e86
     0x7f714b23cffa: test %r10,%r10 \/\/ \u6bd4\u8f83\u662f\u5426\u4e3a 0 \u53ea\u6bd4\u4e86\u8fd9\u4e48\u4e00\u6b21
     0x7f714b23cffd: jne 0x7f714b23d00b
     0x7f714b23cfff: mov 0x108(%r15),%r10 \/\/ \u4e4b\u540e\u90fd\u662f\u4ece$r15+0x108 \u8fd9\u4e2a\u5730\u65b9\u8bfb\uff0c\u800c\u8fd9\u91cc\u4e00\u76f4\u662f 0
    => 0x7f714b23d006: test %eax,(%r10)
     0x7f714b23d009: jmp 0x7f714b23cfff
     0x7f714b23d00b: mov $0xffffff7e,%esi<\/p>\n
    \u5177\u4f53\u4e3a\u4ec0\u4e48\u662f\u4ece$15+0x108 \u8bfb\uff0c\u6709\u65e0\u5927\u4f6c\u6765\u89e3\u91ca\u4e00\u4e0b\uff0c\u662f jit \u5bfc\u81f4\u7684\u5417                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Wicked <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5efa\u8bae\u5148\u4e86\u89e3\u4e00\u4e0b \u6307\u4ee4\u4e71\u5e8f\uff0c\u5185\u5b58\u5c4f\u969c\uff0cstore release\uff0cload acquire \u7b49\u57fa\u7840\u6982\u5ff5\uff0c\u7136\u540e\u518d\u53bb\u770b\u624b\u518c<\/p>\n
    \u5426\u5219\u8fd8\u662f\u8001\u8001\u5b9e\u5b9e\u7528\u66f4\u9ad8\u5c42\u7684\u540c\u6b65\u673a\u5236\u5427\uff0c\u5982\u679c\u4e0d\u662f\u6027\u80fd\u74f6\u9888\uff0clock \u5c31\u8db3\u591f\u4e86                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : zhgg0 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 while (a == 0) {
     long x = b; \/\/ \u4e3a\u4ec0\u4e48\u8fd9\u91cc\u8bfb b, \u80fd\u8ba9\u7ebf\u7a0b\u540c\u65f6\u8bfb\u5230 a \u7684\u6700\u65b0\u503c? \u5982\u679c\u6ce8\u91ca\u8fd9\u884c, a \u5c31\u8bfb\u4e0d\u5230
    }                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : zhgg0 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 while (a == 0) {
     long x = b; \/\/ \u4e3a\u4ec0\u4e48\u8fd9\u91cc\u8bfb b, \u80fd\u8ba9\u7ebf\u7a0b\u540c\u65f6\u8bfb\u5230 a \u7684\u6700\u65b0\u503c? \u5982\u679c\u6ce8\u91ca\u8fd9\u884c, a \u5c31\u8bfb\u4e0d\u5230
    }
    \u6ca1\u6709 long x = b; \u8fd9\u884c\u7684\u8bdd\uff0cjvm \u4f1a\u4f18\u5316\u8fd9\u51e0\u53e5\u4ee3\u7801\uff0c\u53ef\u80fd\u6839\u672c\u5c31\u4e0d\u6267\u884c\u8fd9\u4e2a\u6b7b\u5faa\u73af\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : Weixiao0725 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u56e0\u4e3a a \u53ea\u662f\u666e\u901a\u53d8\u91cf\uff0c\u4ec0\u4e48\u65f6\u5019\u5237\u65b0\u5230\u5185\u5b58\u8981\u770b\u8fd0\u884c\u65f6\u3002\u5f53\u4f60\u52a0\u4e0a\u8bfb\u53d6 b \u7684\u90a3\u53e5\u4ee3\u7801\u65f6\uff0c\u56e0\u4e3a b \u662f volatile \u7684\uff0c\u4f1a\u5f3a\u5236\u4ece\u5185\u5b58\u8bfb\uff0c\u6240\u4ee5\u8fd9\u65f6\u5019\u5f3a\u5236\u628a a \u7684\u5185\u5bb9\u91cd\u65b0\u5237\u5230\u4e86\u5185\u5b58\u4e2d\uff0c\u6240\u4ee5\u8fd9\u65f6\u5019\u5c31\u53ef\u4ee5\u8bfb\u53d6\u5230\u6700\u65b0\u7684 a \u503c\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : matt5ttam <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8fd9\u4e2a\u662f\u7f13\u5b58\u4e00\u81f4\u6027\u534f\u8bae\u9020\u6210\u7684 volatile \u4f1a\u4f7f\u7528 lock#\u9501\u603b\u7ebf                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : Newyorkcity <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6211\u672c\u6765\u60f3\u8bf4\u4f1a\u4e0d\u4f1a\u662f\u7f13\u5b58\u884c\uff08\u5b57\uff09\u7684\u95ee\u9898..<\/p>\n
    \u4f46\u4e3b\u7684\u4ee3\u7801\u91cc\u4e4b\u6240\u4ee5\u4f1a\u6709<\/p>\n
    static long p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15, p16;<\/p>\n
    \u60f3\u5fc5\u4e5f\u662f\u8003\u8651\u5230\u8fd9\u4e2a\u65b9\u5411\u4e86\u5427….\u800c\u4e14\u770b\u8fd9\u4e2a\u6837\u5b50\u5e94\u8be5\u4e5f\u4e0d\u662f\u7f13\u5b58\u884c\u7684\u95ee\u9898\u4e86.                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : letianqiu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 https:\/\/docs.oracle.com\/javase\/specs\/jls\/se11\/html\/jls-17.html#jls-17.4.5                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : letianqiu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @Wicked \u8fd9\u4e48\u591a\u5c31\u4f60\u4e00\u4e2a\u660e\u767d\u4eba\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    \u5173\u4e8e volatile \u53ef\u89c1\u6027\u7684\u4e00…<\/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\/165321"}],"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=165321"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/165321\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=165321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=165321"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=165321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}