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How to create sublass ? - Page 2

post #11 of 14
10/22/12 at 12:57pm
Quote:
Originally Posted by Barbaroti View Post

Couldn't he also do it like this?
Code:
public class C 
{
    protected int m;
    protected int n;
    
    public C(int mIn , int nIn)
    {
        m=mIn;
        n=nIn;
    }
    
    public int m1()
    {
        return m+n;
    }
}
Code:
public class B extends C{
    public B(int mIn, int nIn) {
        super(mIn, nIn);
    }    
    
    @Override
    public int m1()
    {
        return m*n;
    }
}

or like this biggrin.gif
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post #12 of 14
10/22/12 at 9:53pm
Thread Starter 
then what should i type to let it print out ?
system.print.ln (m-n ??)
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post #13 of 14
10/22/12 at 11:26pm
First, you need to create a variable of type B/C. Then, if you want the result of m1 simply call the function that does the job.
Here is pretty much an example using your code:
Code:
public static void main(String[] args) {
        // TODO code application logic here
        C c = new C(5,3);
        B b = new B(5,3);
        System.out.println(c.m1());
        System.out.println(b.m1());
    }
Quote:
Originally Posted by Yeong View Post

then what should i type to let it print out ?
system.print.ln (m-n ??)

If you were to do it like that, in my opinion, there would be no point to have the function, since you will be doing the operation outside it anyways.
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post #14 of 14
10/23/12 at 1:52am
Thread Starter 
I had done with it and its works !
Thank you so much ! thumb.gifthumb.gif
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