OnJava8-Examples/concurrency/SelfManaged.java

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2015-06-15 17:47:35 -07:00
//: concurrency/SelfManaged.java
// <20>2015 MindView LLC: see Copyright.txt
// A Runnable containing its own driver Thread.
public class SelfManaged implements Runnable {
private int countDown = 5;
private Thread t = new Thread(this);
public SelfManaged() { t.start(); }
@Override
public String toString() {
return Thread.currentThread().getName() +
"(" + countDown + "), ";
}
@Override
public void run() {
while(true) {
System.out.print(this);
if(--countDown == 0)
return;
}
}
public static void main(String[] args) {
for(int i = 0; i < 5; i++)
new SelfManaged();
}
} /* Output:
Thread-0(5), Thread-4(5), Thread-3(5), Thread-1(5),
Thread-2(5), Thread-2(4), Thread-2(3), Thread-1(4),
Thread-3(4), Thread-4(4), Thread-0(4), Thread-4(3),
Thread-3(3), Thread-1(3), Thread-2(2), Thread-1(2),
Thread-3(2), Thread-4(2), Thread-0(3), Thread-4(1),
Thread-3(1), Thread-1(1), Thread-2(1), Thread-0(2),
Thread-0(1),
*///:~