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| class Solution{ public static char charStr = 'A'; public static int index= 0; public static void main(String[] args){ Runnable task = new Runnable(){ @Override public void run(){ synchronized(this){ try{ int id = Integer.parseInt(Thread.currentThread().getName()); while(index < 26){ if(index % 3 == id -1){ System.out.println("当前线程id:"+(id)+ charStr++); index++; notifyAll(); }else{ wait(); } } }catch(Exception e){ e.printStackTrace(); } } } }; new Thread(task,"1").start(); new Thread(task,"2").start(); new Thread(task,"3").start(); } }
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