摘要： public class ThreadTest1 {private int j;public static void main(String args[]){ThreadTest1 tt=new ThreadTest1();Inc inc=tt.new Inc();Dec dec=tt.new Dec();for(int i=0;i<2;i++){Thread t= new Thread(inc);t.start();t=new Thread(dec);t.start();}}private synchronized void inc(){j++;System.out.println(T 阅读全文