Chapter 11, Problem 2PC

Program Plan Intro

TestScores Class Custom Exception

Program Plan:

TestScores.java:

• Declare the class “TestScores”.
• Declare the variable to store the scores
• Definition of constructor for the class
  • Create an array to store the scores
    • Loop to check for the illegal values.
      • Check the sores is between “0” and “100”.
        • Throw the exception
      • Otherwise, assign the array values to the new array.
• Definition for “getAverage()”.
  • Variable to hold the average values
  • Accumulate the sum of the scores
  • Storing the sum values
  • Return the average value.

InvalidTestScore.java:

• Definition for “InvlaidTestScore” class.
  • Create a non-argument constructor.
    • Print the error statement
  • Constructor which passes the argument.
    • Print the error statement

TestDemo.java:

• Definition of class “TestDemo”.
• Definition of main class
  • Declare the array with bad scores.
  • Declare the array with good scores
  • Inside the try block,
    • Create an object “score”.
    • Print the average for bad score.
  • Inside the catch block,
    • Print the error message using “getMessage()”.
  • Inside the try block,
    • Create an object “score2”.
    • Print the average for good score
  • Inside the catch block,
    • Print the error message using “getMessage()”.