Chapter 18, Problem 1PE

Program Plan Intro

Generic Pair

Program plan:

Filename: “Pair.java”

This code snippet creates a class “Pair”. In the code,

• Define a class “Pair”.
  • Declare the class members “first” and “second”.
  • Define the constructor “Pair()”.
    • Set the class members.
  • Define the getter “getFirst()”.
    • Return the value of “first”.
  • Define the getter “getSecond()”.
    • Return the value of “second”.

Filename: “PairTester.java”

This code snippet creates a class “PairTester”. In the code,

• Define a class “PairTester”.
  • Define the “main” method.
  • Define the object “p” of “Pair”.
  • Call “getFirst()” and print the result.
  • Print the expected value.
  • Call “getSecond()” and print the result.
  • Print the expected value.