BIG JAVA: LATE OBJECTS
BIG JAVA: LATE OBJECTS
2nd Edition
ISBN: 9781119626220
Author: Horstmann
Publisher: WILEY
Question
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Chapter 9, Problem 7PP
Program Plan Intro

Appointment class

Program plan:

Filename: “Daily.java”

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

  • Define a class “Daily”.
    • Define a constructor “Daily ()”.
      • Set the value “description”.
    • Define the method “occursOn()”.
      • Return “true”.

Filename: “Appointment.java”

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

  • Define a class “Appointment”.
    • Declare a string “description”.
    • Define a constructor “Appointment()”.
      • Set the value “description”.
    • Define the method “setDescription()”.
      • Set the value “description”.
    • Declare the method “occursOn()”.
    • Define the method “toString()”.
      • Return the value of “description”.

Filename: “AppointmentTester.java”

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

  • Define a class “AppointmentTester”.
    • Define the “main” method.
      • Print the message on the screen.
      • Check super class of “Appoinment” is “Daily”.
      • Print the expected result.
      • Print the message.
      • If “Daily” has no extra fields, print true,
      • Print the expected result.
      • Create a new appointment object “obj”.
      • Print “obj”.
      • Print the expected value of “obj”.
      • Call the method “occursOn()”.
      • Print the expected result.

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Chapter 9 Solutions

BIG JAVA: LATE OBJECTS

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