?? usesuperandthis.java
字號(hào):
// 程序:使用super和this關(guān)鍵字
// 范例文件:UseSuperAndThis.java
class SuperClass
{
public SuperClass()
{
System.out.println("SuperClass...");
}
public int addNumber(int i,int j)
{
return i+j;
}
}
class ChildClass extends SuperClass
{
private int i,j,k;
public ChildClass()
{
super();
}
public ChildClass(int i,int j)
{
this();
i = i;
j = j;
}
public void addNumber()
{
k = super.addNumber(i,j);
System.out.println("k=" + k);
}
}
public class UseSuperAndThis
{
public static void main(String args[])
{
ChildClass C1,C2;
C1 = new ChildClass();
C2 = new ChildClass(5,10);
C1.addNumber();
C2.addNumber();
}
}
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