java语句简洁写法2

public class java6_9 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
int a=10,b=6;
System.out.println("改变之前的数:a="+a+",b="+b);
a-=b++;
System.out.println("改变之后的数值:a="+a+",b="+b);

}

}