1 /* 2 * Model a die in terms of two properties: 3 * - order, the number of faces 4 * - top, the value of the top face 5 */ 6 7 package chance; 8 9 public class Die { 10 // THE INSTANCE VARIABLES (STATE) 11 12 private int order; 13 private int top; 14 15 // THE CONSTRUCTORS 16 17 public Die() { 18 order = 6; 19 top = (int) ( ( Math.random() * 6 ) + 1); 20 } 21 public Die(int nrOfSides) { 22 order = nrOfSides; 23 top = (int) ( ( Math.random() * nrOfSides ) + 1); 24 } 25 26 // THE METHODS (BEHAVIOR) 27 28 public int top() { 29 return top; 30 } 31 public void roll() { 32 top = (int) ( ( Math.random() * order ) + 1); 33 } 34 } 35