import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.RecursiveTask;
public class FibonacciTask extends RecursiveTask<Integer> {
private final int n;
public FibonacciTask(int n) {
this.n = n;
}
@Override
protected Integer compute() {
if (n <= 1) {
return n;
}
FibonacciTask f1 = new FibonacciTask(n - 1);
f1.fork();
FibonacciTask f2 = new FibonacciTask(n - 2);
f2.fork();
return f1.join() + f2.join();
}
public static void main(String[] args) {
ForkJoinPool forkJoinPool = ForkJoinPool.commonPool();
FibonacciTask task = new FibonacciTask(10);
int result = forkJoinPool.invoke(task);
System.out.println("Result: " + result);
}
}
