class superclass
{
int x;
int y;
int z;
superclass()
{
x = 3;
y = 4;
z = x*z;
System.out.println(x+","+y+","+"super1:z = "+z);
}
superclass(int a,int b,int c)
{
x = a;
y = b;
z = c;
System.out.println("super2:z = "+z);
}
void superprint()
{
System.out.println("this is superclass");
}
}class subclass extends superclass
{
int x;
subclass()
{
super(1,2,3);
x = 13;
System.out.println("super.x = "+super.x + "sub.x = "+ x);
}
void superprint()
{
System.out.println("this is subclass");
}
}public class myinherit {
public static void main(String[] argv)
{
subclass subobject = new subclass();
subobject.superprint();
superclass superobject = new subclass();
superobject.superprint();
superclass superobject1 = new superclass();
superobject1.superprint();
}
}
那个父类变量 z 的值打出来怎么会是 0 呢
{
int x;
int y;
int z;
superclass()
{
x = 3;
y = 4;
z = x*z;
System.out.println(x+","+y+","+"super1:z = "+z);
}
superclass(int a,int b,int c)
{
x = a;
y = b;
z = c;
System.out.println("super2:z = "+z);
}
void superprint()
{
System.out.println("this is superclass");
}
}class subclass extends superclass
{
int x;
subclass()
{
super(1,2,3);
x = 13;
System.out.println("super.x = "+super.x + "sub.x = "+ x);
}
void superprint()
{
System.out.println("this is subclass");
}
}public class myinherit {
public static void main(String[] argv)
{
subclass subobject = new subclass();
subobject.superprint();
superclass superobject = new subclass();
superobject.superprint();
superclass superobject1 = new superclass();
superobject1.superprint();
}
}
那个父类变量 z 的值打出来怎么会是 0 呢
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x = 3;
y = 4;
z = x*z; //////这里 z ==0
System.out.println(x+","+y+","+"super1:z = "+z);
}
敬请 trumplet(检查) 老师 指点一下!!
----------------------3 * 4 =12;是 z = x * y, 还是 z = x * z ?
z = x * y;
而不是
z = x * z;
这是手误啊。====CSDN 小助手 V2.5 2005年11月05日发布====
CSDN小助手是一款脱离浏览器也可以访问Csdn论坛的软件
界面:http://blog.csdn.net/Qqwwee_Com/archive/2005/11/05/523395.aspx
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