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Nested Class not working properly


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#1   Members   

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Posted 16 November 2013 - 04:44 AM

Can somebody help me figure out the problem in the following code sample. My IDE says I have a mistake but I can't detect it. I am having trouble with the Inner Class.

 

I am using eclipse if it helps.



public class Outer {

    

    int nums[];

    

    Outer(int n[])

    {

        nums = n;

    }

    

    void Analyze()

    {

        Inner inOb = new Inner();

        

        System.out.println("Minimum: " + inOb.min());

        System.out.println("Maximum: " + inOb.min());

        System.out.println("Average: " + inOb.min());

        

    }



    

 class Inner()

    {

    

        int min()

        {

            int m = nums[0];

            for(int i = 1; i < nums.length; i++)

                if(nums[i]<m)

                    m = nums[i];

            return m;

        }

        

        int max()

        {

            int m = nums[0];

            for(int i = 1; i < nums.length; i++)

                if(nums[i] > m)

                    m = nums[i];

            

            return m;

        }

        

        int avg()

        {

            int a = 0;

            for(int i = 0; i < nums.length; i++)

                a += nums[i];

            

            return a / nums.length;

        }

    }

}


#2   Members   

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Posted 16 November 2013 - 04:57 AM

I didn't think you nested classes. I thought you used something like extend.



#3   Moderators   

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Posted 16 November 2013 - 06:32 AM

Instead of this:

class Inner() {

}

you need this:

class Inner {

}

I think, therefore I am. I think? - "George Carlin"
My Website: Indie Game Programming

My Twitter: https://twitter.com/indieprogram

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#4   Moderators   

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Posted 16 November 2013 - 06:37 AM

I didn't think you nested classes. I thought you used something like extend.

 

Java requires only on class per file, but inside that class you can declare other classes.  Check out the Point2D.Double class from Java to see an example:

http://docs.oracle.com/javase/7/docs/api/java/awt/geom/Point2D.Double.html

 

Extend is for using inheritance, which is something different.


I think, therefore I am. I think? - "George Carlin"
My Website: Indie Game Programming

My Twitter: https://twitter.com/indieprogram

My Book: http://amzn.com/1305076532


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Posted 16 November 2013 - 03:14 PM

Thanks @Glass_Knife, I feel silly now because the error looks obvious now. Guess that's what I get for coding late Lol.



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Posted 16 November 2013 - 03:59 PM

 

I didn't think you nested classes. I thought you used something like extend.

 

Java requires only on class per file, but inside that class you can declare other classes.  Check out the Point2D.Double class from Java to see an example:

http://docs.oracle.com/javase/7/docs/api/java/awt/geom/Point2D.Double.html

 

Extend is for using inheritance, which is something different.

 

 

It's been a while since I worked with Java. Guess I need a refresher project.






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