Java参数传递问题

参考资料:http://blog.sina.com.cn/s/blog_59ca2c2a0100qhjx.html

      http://blog.csdn.net/a412588063/article/details/8782742

实例解析:

 1 public class Test{
 2    public static void main(String[] args){
 3       StringBuffer a=new StringBuffer("A");
 4       StringBuffer b=new StringBuffer("B");
 5       operate(a,b);
 6       System.out.println(a+","+b);
 7    }
 8    static void operate(StringBuffer x,StringBuffer y){
 9       x.append(y);
10       y=x;
11    }
12 }

图片解析:

我要把所有的坑都趟平!
原文地址:https://www.cnblogs.com/loveling-0239/p/5973778.html