回答編集履歴
1
ビット演算を使わない方法を追加
test
CHANGED
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@@ -55,3 +55,65 @@
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}
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```
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58
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**追記**
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60
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61
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ビット演算になじみがなければ、
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62
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63
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```Java
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64
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65
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pubic class Kadai1 {
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66
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67
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public static void main(String[] args) {
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68
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boolean error = false;
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70
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71
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int num1 = 0;
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int num2 = 0;
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74
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75
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if (args.length != 2) {
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76
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System.out.println("コマンドライン引数の数は２つにしてください。");
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return;
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}
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try {
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num1 = Integer.parseInt(args[0]);
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} catch (NumberFormatException e) {
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System.out.println("整数を入力してください：" + args[0]);
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91
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error = true;
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}
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94
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95
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try {
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96
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97
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num2 = Integer.parseInt(args[1]);
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98
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} catch (NumberFormatException e) {
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100
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System.out.println("整数を入力してください：" + args[1]);
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102
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error = true;
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}
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106
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if (error) return;
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110
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int sum = num1 + num2;
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System.out.println(args[0] + "と" + args[1] + "の和は" + sum + "です。");
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}
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}
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```
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