2. TestScores Class Custom Exception Write an exception class named InvalidTestScore. Modify the TestScores class you wrote in Programming Challenge 1 so that it throws an InvalidTestScore exception if any of the test scores in the array are invalid.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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public class test{
    private static final int MAX = 100;
    private int[] sco;
    public test(int[] sco){
        this.sco = sco;
    }
    private int comAvg() throws IllegalArgumentException{
        int sum = 0;
        for (int i = 0; i < sco.length; i++){
            int sc = sco[i];
            if (sc < 0 || sc > MAX){
                throw new IllegalArgumentException("Score (" + sc + ") is not in the range 0-" + MAX);
            }
            sum += sco[i];
        }
        int av = sum / sco.length;
        return av;
    }
    public static void main(String[] args){
        test test = new test(new int[] { 50, 70, 81 });
        try{
            int avgSc = test.comAvg();
            char letG;
            if (avgSc < 60) letG = 'F';
            else if (avgSc < 70) letG = 'D';
            else if (avgSc < 80) letG = 'C';
            else if (avgSc < 90) letG = 'B';
            else letG = 'A';
            System.out.println("\nAVG Score is " + avgSc + " and Grade is an " +
            letG);
        }
        catch (IllegalArgumentException illegalArgumentException){
            System.out.println(illegalArgumentException.getMessage());
        }
    }
}
2. TestScores Class Custom Exception
Write an exception class named InvalidTestScore. Modify the TestScores class you
wrote in Programming Challenge 1 so that it throws an InvalidTestScore exception if any
of the test scores in the array are invalid.
Transcribed Image Text:2. TestScores Class Custom Exception Write an exception class named InvalidTestScore. Modify the TestScores class you wrote in Programming Challenge 1 so that it throws an InvalidTestScore exception if any of the test scores in the array are invalid.
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