Java get random numbers in a specific range

/**
 * @author lautturi.com 
 * Java example:  generate random integers in a range in java
 */

import java.util.*;
import java.util.Random;

public class Lautturi {

	public static void main(String[] args) {
		
		int from = 0;
		int to = 100;

		int random_num = (int)(Math.random() * ((to - from) + 1)) + from;
		
		System.out.println("random number: "+random_num);

	}
}

output:

random number: 72