zzh7982

    public static void main(String[] args) throws InterruptedException {
        int i = 0;
        while (i < 100) {
            Thread t1 = new Thread(() -> System.out.print("a"));
            Thread t2 = new Thread(() -> {
                try {
                    t1.join();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }