Rolling a Die:

/*Use JAVA program to simulate rolling a die.
  The method, nextInt(n), will return a number
  between 0 (inclusive) and n (exclusive).
  That is, by calling nextInt(6), 
  you will receive one of the following.
  0, 1, 2, 3, 4, and 5.  */
import java.util.Random;

public class CastDie
{
  public static void main(String[] args)
  {
    Random generator = new Random();
    int x, n =30, sum = 0;
    		
    System.out.println("The average of cast a die "+ n + " times: ");
   
    for(int i=0; i<n; i++)			
    {
	x= generator.nextInt(6) + 1;
	System.out.print(x + " ");
       sum += x;
    }
    System.out.println("is " + sum /(double) n);   //To convert int to double before dividing each other.
   }
    
}