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