java——引用数据类型的传递

/**
 * Created by xabcd on 2019/2/16.
 */
public class java_change
{
    int x = 0;
}

/**
 * Created by xabcd on 2019/2/16.
 */
public class test_change
{
    public static void main(String[] args)
    {
        java_change c = new java_change();
        c.x = 20;
                fun(c);//调用fun方法，将c传递到方法之中
        System.out.println("x = "+c.x);
    }
    public static void fun(java_change c1)//声明方法，接收类型为java_change类型
    {
        c1.x = 25;//将c1中的x属性赋值为25
    }
}



结果
x = 25