Java Programming
Java Programming
9th Edition
ISBN: 9780357616635
Author: Joyce Farrell
Publisher: CENGAGE L
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Chapter 12, Problem 6PE
Program Plan Intro

Display course and appropriate message

Program plan:

Filename: “CourseException.java”

  • Define “CourseException” class which extends from “Exception” class
    • Define the constructor
      • Call the super method.

Filename: “Course.java”

  • Define the “Course” class
    • Declare the required variables and set the values
    • Define the default constructor
      • Set the values
    • Define the parameterized constructor
      • Set the values
    • Check the length of the department
      • Append the string to the “msg” variable
    • Check the “num” value is less than “LOW_NUM” or greater than “HIGH_NUM”
      • Append the string to the “msg” variable
    • Check “msg” is not equal to empty string.
      • Throw an exception.
  • Define “toString” method
    • Return the value

Filename: “ThrowCourseException.java”

  • Define the class “ThrowCourseException”
    • Define the “main” method
      • Create an object for “Course” class
      • Declare the variables and set the required values to the variables
      • Iterate “for” loop until it reaches length of the “course”
        • Set the values to the object
      • Iterate “for” loop until it reaches length of the “course”
        • In “try” block, set the values
        • In “catch” block, display the course and error
      • Display the course values

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