Generics and the ArrayList Class - Java - page 723

Display 14.5 A Generic Ordered Pair Class (part 2 of 2)

12 first = firstItem;

13 second = secondItem;

14 }

15 public void setFirst(T newFirst)

16 {

17 first = newFirst;

18 }

19 public void setSecond(T newSecond)

20 {

21 second = newSecond;

22 }

23 public T getFirst()

24 {

25 return first;

26 }

27 public T getSecond()

28 {

29 return second;

30 }

31 public String toString()

32 {

33 return ( "first: " + first.toString() + "\n"

34 + "second: " + second.toString() );

35 }

36

37 public boolean equals(Object otherObject)

38 {

39 if (otherObject == null )

40 return false ;

41 else if (getClass() != otherObject.getClass())

42 return false ;

43 else

44 {

45 Pair<T> otherPair = (Pair<T>)otherObject;

46 return (first.equals(otherPair.first)

47 && second.equals(otherPair.second));

48 }

49 }

50 }