class FizzBuzz {
private int n;
private CyclicBarrier cyclicBarrier = new CyclicBarrier(4);
public FizzBuzz(int n) {
this.n = n;
}
// printFizz.run() outputs "fizz".
public void fizz(Runnable printFizz) throws InterruptedException {
for (int i = 1; i <= n; i++) {
if (i % 3 == 0 && i % 5 != 0) {
printFizz.run();
}
try {
cyclicBarrier.await();
} catch (BrokenBarrierException e) {
e.printStackTrace();
}
}
}
// printBuzz.run() outputs "buzz".
public void buzz(Runnable printBuzz) throws InterruptedException {
for (int i = 1; i <= n; i++) {
if (i % 3 != 0 && i % 5 == 0) {
printBuzz.run();
}
try {
cyclicBarrier.await();
} catch (BrokenBarrierException e) {
e.printStackTrace();
}
}
}
// printFizzBuzz.run() outputs "fizzbuzz".
public void fizzbuzz(Runnable printFizzBuzz) throws InterruptedException {
for (int i = 1; i <= n; i++) {
if (i % 3 == 0 && i % 5 == 0) {
printFizzBuzz.run();
}
try {
cyclicBarrier.await();
} catch (BrokenBarrierException e) {
e.printStackTrace();
}
}
}
// printNumber.accept(x) outputs "x", where x is an integer.
public void number(IntConsumer printNumber) throws InterruptedException {
for (int i = 1; i <= n; i++) {
if (i % 3 != 0 && i % 5 != 0) {
printNumber.accept(i);
}
try {
cyclicBarrier.await();
} catch (BrokenBarrierException e) {
e.printStackTrace();
}
}
}
}

image.png
网友评论