学步园

public class SwapAB
{

      public static void main(String args[])
      {
           int a=5460;
           int b=5132;
           System.out.println("a="+a+" b="+b);
            a=a+b;
            b=a-b;
            a=a-b;
            System.out.println("交换位置之后");
             System.out.println("a="+a+" b="+b);
       }
}