{"id":765,"date":"2021-02-14T12:35:08","date_gmt":"2021-02-14T04:35:08","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/java\/?p=765"},"modified":"2021-02-14T12:35:09","modified_gmt":"2021-02-14T04:35:09","slug":"%e7%ba%bf%e7%a8%8b%e6%b1%a0","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/java\/post-765.html","title":{"rendered":"\u7ebf\u7a0b\u6c60"},"content":{"rendered":"\n

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\u53cd\u590d\u4f7f\u7528 start \u65b9\u6cd5\u4f1a\u88ab JVM \u62a5\u9519<\/p>\n\n\n\n

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1.\u7ebf\u7a0b\u6c60\u7684\u6982\u5ff5<\/h5>\n\n\n\n

\u7ebf\u7a0b\u6c60\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u4e2a\u5bb9\u5668 (\u96c6\u5408) <\/p>\n\n\n\n

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2.\u7ebf\u7a0b\u6c60\u5de5\u5382\u7c7b<\/h4>\n\n\n\n

\u5728 JDK 1.5 \u4e4b\u540e\uff0cJDK \u5185\u7f6e\u4e86\u7ebf\u7a0b\u6c60\u7c7b\uff0c\u5373\u7ebf\u7a0b\u6c60\u7684\u5de5\u5382\u7c7b<\/p>\n\n\n\n

1.\u5bfc\u5305<\/h5>\n\n\n\n
import java.util.concurrent.Executors;<\/code><\/pre>\n\n\n\n
2.\u9759\u6001\u65b9\u6cd5<\/h5>\n\n\n\n
\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u6c60<\/p>\n\n\n\n
public static ExecutorService newFixedThreadPool(int nThreads);<\/p>\n\n\n\n
\u5176\u4e2d\u7684  ExecutorService \u662f\u7ebf\u7a0b\u6c60\u63a5\u53e3\uff0cint \u53c2\u6570\u662f\u7ebf\u7a0b\u6c60\u5bb9\u91cf<\/p>\n\n\n\n
3.\u7ebf\u7a0b\u6c60\u63a5\u53e3\u7c7b<\/h4>\n\n\n\n
\u7ebf\u7a0b\u6c60\u63a5\u53e3\u7684\u5b9e\u73b0\u7c7b\uff0c\u53ef\u4ee5\u5f53\u4f5c\u63a5\u53e3\u7c7b\u4f7f\u7528<\/p>\n\n\n\n
1.\u5bfc\u5305<\/h5>\n\n\n\n
import java.util.concurrent.ExecutorService;<\/code><\/pre>\n\n\n\n
2.\u65b9\u6cd5<\/h5>\n\n\n\n
1.\u4ece\u7ebf\u7a0b\u6c60\u83b7\u53d6\u7ebf\u7a0b\uff0c\u5e76\u542f\u52a8<\/p>\n\n\n\n
submit(Runnable task)<\/p>\n\n\n\n
2.\u5173\u95ed\/\u9500\u6bc1\u7ebf\u7a0b<\/p>\n\n\n\n
void shutdown()<\/p>\n\n\n\n
4.\u7ebf\u7a0b\u6c60\u7684\u4f7f\u7528\u6b65\u9aa4<\/h4>\n\n\n\n
1.\u4f7f\u7528\u7ebf\u7a0b\u6c60\u5de5\u5382\u7684newFixedThreadPool\u65b9\u6cd5\uff0c\u521b\u5efa\u542b\u6709\u6307\u5b9a\u6570\u91cf\u7684\u7ebf\u7a0b\u6c60<\/p>\n\n\n\n
ExecutorService es = Executors.newFixedThreadPool(2);<\/code><\/pre>\n\n\n\n
2.\u521b\u5efa\u4e00\u4e2a\u542b\u6709 Runnable \u63a5\u53e3\u7684\u7c7b\uff0c\u5373\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u7c7b\uff08\u5047\u8bbe\u4e3a RunnableImpl)<\/p>\n\n\n\n
3.\u8c03\u7528\u7ebf\u7a0b\u6c60\u63a5\u53e3\u7c7b\u4e2d\u7684 submit \u65b9\u6cd5\uff0c\u4f20\u9012\u521a\u624d\u7684 Runnable \u7ebf\u7a0b\u7c7b<\/p>\n\n\n\n
es.submit(new RunnableImpl());\/\/\u6bcf\u6b21\u4f20\u9012\u5360\u7528\u4e00\u4e2a\u7ebf\u7a0b\u6c60\uff0c\nes.submit(new RunnableImpl()); \/\/\u7528\u5b8c\u4f1a\u81ea\u52a8\u5f52\u8fd8\u7ebf\u7a0b\u6c60\uff0c\nes.submit(new RunnableImpl());   \/\/\u53ef\u591a\u6b21\u8c03\u7528<\/code><\/pre>\n\n\n\n
4.\u8c03\u7528\u7ebf\u7a0b\u6c60\u63a5\u53e3\u7c7b\u7684 shutdown \u65b9\u6cd5\uff0c\u9500\u6bc1\u7ebf\u7a0b\u6c60\uff08\u9500\u6bc1\u540e\u65e0\u6cd5\u518d\u8c03\u7528\u7ebf\u7a0b\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
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