package cn.rojao.utils;
import java.util.concurrent.Executors;
import com.google.common.util.concurrent.ListeningExecutorService;
import com.google.common.util.concurrent.MoreExecutors;
public class xiancheng {
public static void main(String[] args){
ListeningExecutorService pool = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(10));
for(int i=0;i<1000;i++){
pool.submit(() -> {
System.out.println("213123");
});
}
pool.shutdown();
while (true) {
if (pool.isTerminated()) {
System.out.println("结束了!");
break;
}
//Thread.sleep(200);
}
System.out.println("我还没结束");
}
import java.util.concurrent.Executors;
import com.google.common.util.concurrent.ListeningExecutorService;
import com.google.common.util.concurrent.MoreExecutors;
public class xiancheng {
public static void main(String[] args){
ListeningExecutorService pool = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(10));
for(int i=0;i<1000;i++){
pool.submit(() -> {
System.out.println("213123");
});
}
pool.shutdown();
while (true) {
if (pool.isTerminated()) {
System.out.println("结束了!");
break;
}
//Thread.sleep(200);
}
System.out.println("我还没结束");
}
}
exe.shutdown();该方法在加入线程队列的线程执行完之前不会执行。exe.isTerminated()当shutdown()或者shutdownNow()执行了之后才会执行,并返回true。
在上面的代码中必须有exe.isTerminated()的判断,否则在投入1000个线程到线程池后会直接打印:“结束了”。不能达到我们想要的效果。