/* File: Die.java - March 2013 */
package l10;
/**
 * Represent a die with any number of faces.
 *
 * @author Michael Albert
 */

import java.util.Random;

public class Die{
    
  private static final Random R = new Random();
  private int sides;

  public Die(int sides) {
    if (sides <= 0) 
      throw new IllegalArgumentException("sides must be positive");

    this.sides = sides;
  }

  public int roll() {
    return R.nextInt(sides)+1;
  }

  public int[] rolls(int numRolls) {
    int[] result = new int[numRolls];
    for(int i = 0; i < numRolls; i++) {
      result[i] = roll();
    }
    return result;
  }

  public String toString() {
    return "A " + sides + " sided die.";
  }

}