Java 6 Illuminated: An Active Learning Approach, 2nd Edition

1022 CHAPTER 14 An Introduction to Data Structures

50 }

51

52 /** mutator for next

53 * @param pn reference to new PlayerNode

54 */

55 public void setNext( PlayerNode pn )

56 {

57 next = pn;

58 }

59 }

EXAMPLE 14.5 The PlayerNode Class

The code for this class is similar to the code of the IntegerNode class. The

overloaded constructor allows the client to set the Player object, while the

default constructor sets the reference for the Player object to null. Our get-

Player method (lines 28–34) and setPlayer method (lines 44–50) use the

copy constructor of the Player class.

14.2.1 A Linked-List Shell

For our class encapsulating a linked list of Player objects,