Java tutorial
import java.util.Random; public class MainClass { public static void main(String args[]) { Random randomNumbers = new Random(); // random number generator int face; // stores each random integer generated for (int i = 1; i <= 20; i++) { // pick random integer from 1 to 6 face = 1 + randomNumbers.nextInt(6); System.out.printf("%d ", face); // if i is divisible by 5, start a new line of output if (i % 5 == 0) System.out.println(); } } }