TestScores

//Zehra Baig
//CSC-162-01
//Lab 6-A

import java.text.DecimalFormat;

public class TestScores
{
    private double[] testScores;
    private double average;
    DecimalFormat avg = new DecimalFormat("###.00");

    public TestScores()
    {
        testScores = new double[0];
    }

    public TestScores(double[] scores) throws IllegalArgumentException
    {
        testScores = scores;
        setAverage(testScores);
    }

    public void setAverage(double[] testScores) throws IllegalArgumentException
    {
        double sum = 0.0;
        for(int i = 0; i < testScores.length; i++)
        {
            if(testScores[i] < 0 || testScores[i] > 100)
            {
                throw new IllegalArgumentException("Invalid score found"
                                                 + "\nPosition: " + i
                                                 + "\nScore value: "
                                                 + testScores[i]
                                                 + "\n");
            }
            sum += testScores[i];
        }
        average = sum / testScores.length;
    }

    public double getAverage()
    {
        return average;
    }

    public String toString()
    {
        return "The average is " + avg.format(getAverage()) + "\n";
    }
}