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 11 // THE INSTANCE VARIABLES (STATE) 12 13 private int order; 14 private int top; 15 16 // THE CONSTRUCTORS 17 18 public Die() { 19 order = 6; 20 top = (int) ( ( Math.random() * 6 ) + 1); 21 } 22 public Die(int nrOfSides) { 23 order = nrOfSides; 24 top = (int) ( ( Math.random() * nrOfSides ) + 1); 25 } 26 27 // THE METHODS (BEHAVIOR) 28 29 public int top() { 30 return top; 31 } 32 33 public void roll() { 34 top = (int) ( ( Math.random() * order) + 1); 35 } 36 } 37