1)A class Called: RandomNumberGenerator that generate random numbers from 1 to 100

2)A class Test that tests the hierarchy in A) especially the getArea() and getVolume() methods. Use an object from the Random NumberGenerator class to generate your input test data.

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June 4, 2013 at 4:37 PM

hi friend,

Try the following code may this will be helpful for you.

RandomNumberGenerator.java

package net.roseindia.simpleExample; import java.util.Random; public class RandomNumberGenerator { Random random = new Random(); public int randomNumber() { int randumNum = random.nextInt(100-1+1)+1; return randumNum; } }

Area.java

package net.roseindia.simpleExample; abstract class Area { public abstract void getArea(); }

AreaOfRectangle.java

package net.roseindia.simpleExample; public class AreaOfRectangle extends Area { RandomNumberGenerator random = new RandomNumberGenerator(); int length = random.randomNumber(); int breadth = random.randomNumber(); @Override public void getArea() { System.out.println("Length Of Rectangle : "+length); System.out.println("Breadth Of Rectangle : "+breadth); int area = length*breadth; System.out.println("Area of Rectangle l*b = : "+area); } public static void main(String args[]) { AreaOfRectangle rectangle = new AreaOfRectangle(); rectangle.getArea(); } }

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