Java语言是怎么实现当三个变量全部都计算完成了，再计算剩下的三个变量的

public class CalculationRunnable implements Runnable {
    private int result;

    @Override
    public void run() {
        // 进行变量的计算逻辑
        // ...
    }

    public int getResult() {
        return result;
    }
}

CalculationRunnable calculation1 = new CalculationRunnable();
CalculationRunnable calculation2 = new CalculationRunnable();
CalculationRunnable calculation3 = new CalculationRunnable();

Thread thread1 = new Thread(calculation1);
Thread thread2 = new Thread(calculation2);
Thread thread3 = new Thread(calculation3);

thread1.start();
thread2.start();
thread3.start();

try {
    thread1.join();
    thread2.join();
    thread3.join();
} catch (InterruptedException e) {
    e.printStackTrace();
}

int result1 = calculation1.getResult();
int result2 = calculation2.getResult();
int result3 = calculation3.getResult();

// 进行剩余变量的计算逻辑
// ...