예외처리 문제 정답

1. Throwable

 

class ArrayCalculation {

    int[] arr = { 0, 1, 2, 3, 4 };

    public int divide(int denominatorIndex, int numeratorIndex)
            throws ArithmeticException, ArrayIndexOutOfBoundsException {
        return arr[denominatorIndex] / arr[numeratorIndex];
    }
}

public class Main {
    public static void main(String[] args) {
        ArrayCalculation arrayCalculation = new ArrayCalculation();

            System.out.println("2 / 1 = " + arrayCalculation.divide(2, 1));
        try {
            System.out.println(
                    "1 / 0 = " + arrayCalculation.divide(1, 0));
        } catch (ArithmeticException arithmeticException) {
            System.out.println("잘못된 계산입니다. " + arithmeticException.getMessage());
        }
        try {
            System.out.println("Try to divide using out of index element = "
                               + arrayCalculation.divide(5, 0)); 
        } catch (ArrayIndexOutOfBoundsException arrayIndexOutOfBoundsException) {
            System.out.println(
                    "잘못된 index 범위로 나누었습니다. 타당 index 범위는 0부터" + (arrayCalculation.arr.length - 1) + "까지 입니다.");
        }
    }

}