Big Java Late Objects
Big Java Late Objects
2nd Edition
ISBN: 9781119330455
Author: Horstmann
Publisher: WILEY
Question
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Chapter 9, Problem 11PE
Program Plan Intro

Class Person

Program plan:

Filename: “Person.java”

This program file is used to define a class “Person”. In the code,

  • Define a class “Person”.
    • Declare class members “name” and “birthYear”.
    • Define a constructor “Person ()”.
      • Initialize the “name” and “birthYear”.
    • Define a method “toString()”.
      • Return the value

Filename: “Instructor.java”

This program file is used to define a class “Instructor”. In the code,

  • Define a class “Instructor”.
    • Declare class members “salary”.
    • Define a constructor “Instructor()”.
      • Call the method “super()”.
      • Set the value of “salary”.
    • Define a method “toString()”.
      • Return the value

Filename: “Student.java”

This program file is used to define a class “Student”. In the code,

  • Define a class “Student”.
    • Declare class members “major”.
    • Define a constructor “Student ()”.
      • Call the method “super()”.
      • Set the value of “major”.
    • Define a method “toString()”.
      • Return the value

Filename: “PersonTester.java”

This program file is used to define a class “PersonTester”. In the code,

  • Define a class “PersonTester”.
    • Define a method “main()”.
    • Declare the objects “p1” and “p2” of class “Person”.
    • Declare the objects “s1” and “s2” of class “Person”.
    • Declare the object “e” of class “Instructor”.
    • Print the value of “p1”.
    • Print the expected value of “p1”.
    • Print the value of “p2”.
    • Print the expected value of “p2”.
    • Print the value of “s1”.
    • Print the expected value of “s1”.
    • Print the value of “s2”.
    • Print the expected value of “s2”.
    • Print the value of “e”.
    • Print the expected value of “e”.

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Big Java Late Objects

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