TestScores Exception

public class TestScores {

    private int[] scores;

    public TestScores(int[] arr) {
        this.scores = new int[arr.length];

        for (int i = 0; i < arr.length; i++){
            if (arr[i] > 100 || arr[i] < 0)
                throw new IllegalArgumentException("Invalid argument: " + arr[i]);
            else
                this.scores[i] = arr[i];
        }
    }

    public double getAverage(){
        double sum = 0;
        for (int i = 0; i < this.scores.length; i++)
            sum += scores[i];
        return sum / scores.length;

    }


    public static void main(String[] args) {
        int[] arr = {-8,2,3,4,5,5,600};
        try {
            TestScores ts = new TestScores(arr);
            System.out.println(ts.getAverage());
        }
        catch (IllegalArgumentException e){
            System.out.println(e.getMessage());
        }
    }
}