OnJava8-Examples/concurrency/AtomicIntegerTest.java
2015-11-15 15:51:35 -08:00

37 lines
1014 B
Java

// concurrency/AtomicIntegerTest.java
// ©2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.*;
import onjava.*;
public class AtomicIntegerTest implements Runnable {
private AtomicInteger i = new AtomicInteger(0);
public int getValue() { return i.get(); }
private void evenIncrement() { i.addAndGet(2); }
@Override
public void run() {
while(true)
evenIncrement();
}
public static void main(String[] args) {
new TimedAbort(5); // Terminate after 5 seconds
ExecutorService exec =
Executors.newCachedThreadPool();
AtomicIntegerTest ait = new AtomicIntegerTest();
exec.execute(ait);
while(true) {
int val = ait.getValue();
if(val % 2 != 0) {
System.out.println(val);
System.exit(0);
}
}
}
}
/* Output:
TimedAbort 5
*/