Executor -- executor of the thread, Executor -- thread execution

Executor -- executor of the thread, Executor -- thread execution
The Executor in the Java. util. concurrent package of java SE5 is used to manage Thread objects and simplify concurrent programming.Light-off thread:

public class LiftOffThread implements Runnable {    protected int countDown = 10;    private static int taskCount = 0;    private final int id = taskCount++;    public LiftOffThread() {    }    public String status() {        return "#" + id + "(" + (countDown > 0 ? countDown : "LiftOff") + ")";    }    @Override    public void run() {        while (countDown-- > 0) {            System.out.println(status());        }    }}

Use Excutor 1:

ExecutorService mService = Executors.newCachedThreadPool();   for (int i = 0; i < 5; i++) {        mService.execute(new LiftOffThread());   }   mService.shutdown();

Running result:

Use Excutor 2:

// Number of pre-allocated threads ExecutorService mService = Executors. newFixedThreadPool (3); for (int I = 0; I <5; I ++) {mService.exe cute (new LiftOffThread ();} mService. shutdown ();

Running result:

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