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【Java基礎】掛け算

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[問題]  (参照:http://www.cc.kyoto-su.ac.jp/~mmina/bp1/hundredKnocksBasic.html)
整数値を入力させ、その入力値を3倍した計算結果を表示するプログラムを作成しなさい。

コード

import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int t = sc.nextInt();
        System.out.println(t*3);
    }
}

↓「28」と入力

結果

84
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