两个线程，一个输出字母一个输出数字，输出A1B2C3....Z26

public class main {
    static volatile int a = 1;
    public static void main(String[] args) {
        new  Thread(new Runnable() {
            @Override
            public void run() {
                for(int i = 0 ; i < 26 ; i++){
                    while(a % 2 == 1){
                        try {
                            Thread.currentThread().interrupt();
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    }
                    System.out.println(a/2);
                    a = a+1;
                }
            }
        }).start();
        new  Thread(new Runnable() {
            @Override
            public void run() {
                for(int i = 0 ; i < 26 ; i++){
                    while(a % 2 == 0){
                        try {
                            Thread.currentThread().interrupt();
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    }
                    System.out.println((char)((a/2)+‘A‘));
                    a = a+1;
                }
            }
        }).start();
    }
}

import java.util.concurrent.locks.LockSupport;

public class Test_LockSupport {
    static Thread t1 = null,t2 = null;
    public static void main(String[] args) {
        char []aI = "123456789".toCharArray();
        char []aC = "ABCDEFJHI".toCharArray();
        t1 = new Thread(()->{
            for (char c : aI) {
                System.out.println(c);
                LockSupport.unpark(t2);//唤醒t2
                LockSupport.park();//阻塞t1
            }
        },"t1");
        t2 = new Thread(()->{
            for (char c : aC) {
                System.out.println(c);
                LockSupport.unpark(t1);//唤醒t1
                LockSupport.park();//阻塞t2
            }
        },"t2");
        t1.start();
        t2.start();
    }
}