fixedthreadpool.java

来自「Thinking in JAVA第四版源代码」· Java 代码 · 共 15 行

//: concurrency/FixedThreadPool.java
import java.util.concurrent.*;

public class FixedThreadPool {
  public static void main(String[] args) {
    // Constructor argument is number of threads:
    ExecutorService exec = Executors.newFixedThreadPool(5);
    for(int i = 0; i < 5; i++)
      exec.execute(new LiftOff());
    exec.shutdown();
  }
} /* Output: (Sample)
#0(9), #0(8), #1(9), #2(9), #3(9), #4(9), #0(7), #1(8), #2(8), #3(8), #4(8), #0(6), #1(7), #2(7), #3(7), #4(7), #0(5), #1(6), #2(6), #3(6), #4(6), #0(4), #1(5), #2(5), #3(5), #4(5), #0(3), #1(4), #2(4), #3(4), #4(4), #0(2), #1(3), #2(3), #3(3), #4(3), #0(1), #1(2), #2(2), #3(2), #4(2), #0(Liftoff!), #1(1), #2(1), #3(1), #4(1), #1(Liftoff!), #2(Liftoff!), #3(Liftoff!), #4(Liftoff!),
*///:~