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Generate random numbers from 1 to 100
1 Answer(s)      a year and 3 months ago
Posted in : Java Beginners


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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