Programming Examples

Java program to Generate a random number between given range


Write a Java Program which accept Lower bound (min) and Upper Bound (max) from user and generate a random number between min and max. 

Solution

import java.util.Scanner;
public class RandomNumberGenerator 
{
    public static void main(String[] args) {
        Scanner sc= new Scanner(System.in);
        System.out.print("Enter the lower bound (min): ");
        int min = sc.nextInt();        
        System.out.print("Enter the upper bound (max): ");
        int max = sc.nextInt();        
        int randomNumber=min + (int)(Math.random() * ((max - min) + 1));
        System.out.println("Random number between " + min + " and " + max + ": " + randomNumber);
    }

}
Output

Enter the lower bound (min): 1000

Enter the upper bound (max): 9999

Random number between 1000 and 9999: 1182


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