package reigai;

public class Mondai1 {

	public static void main(String[] args) {
		int number1 = 0;
		int number2 = 0;
		
		try {
			number1 = Integer.parseInt(args[0]);
			number2 = Integer.parseInt(args[1]);

			int answer = 0;

			answer = number1 + number2;
			System.out.println(number1 + " + " + number2 + " = " + answer);

			answer = number1 - number2;
			System.out.println(number1 + " - " + number2 + " = " + answer);

			answer = number1 * number2;
			System.out.println(number1 + " × " + number2 + " = " + answer);

			// (double)-> 整数を小数に強制的に変換：キャスト
			double answer2 = 0;

			// 小数割り算の場合、結果は
			// Infinityと表示される。
			if (number2 == 0) {
				// 意図的に算術例外を発生させる
				throw new ArithmeticException();
			}
			answer2 = (double) number1 / number2;
			System.out.println(number1 + " ÷ " + number2 + " = " + answer2);

			answer = number1 % number2;
			System.out.println(number1 + " % " + number2 + " = " + answer);
		} catch (ArrayIndexOutOfBoundsException e1) {
			System.out.println("整数を2つ設定してください！");
			System.exit(0);
		} catch (NumberFormatException e1) {
			System.out.println("文字が設定されました！");
			System.exit(0);
		} catch (ArithmeticException e1) {
			System.out.println("0除算です！");
			System.exit(0);
		}
	}// main()

}// class Mondai1