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柴田望洋著 Javaによるアルゴリズムとデータ構造の誤植

Last updated at Posted at 2014-03-15
import java.util.Scanner;

public class TriSample {
    public static void main(String[] args){

        Scanner scan = new Scanner(System.in);

        System.out.println("数値を入力してください。");

        int n;

        do {
            System.out.print("段数は:");
            n = scan.nextInt();
        } while (n <= 0);

        for(int i = 1; i <= n; i++){
            for(int j = 1; j <= i; j++){
                System.out.print('*');
                System.out.println(); //ここが間違ってる
            }

        }
    }
}

というわけで自分が作成した三角形を表示させるアルゴリズムを載せておきます

import java.util.Scanner;

public class TriSample {
    public static void main(String[] args){

        Scanner scan = new Scanner(System.in);

        System.out.println("数値を入力してください。");

        int n;

        do {
            System.out.print("段数は:");
            n = scan.nextInt();
        } while (n <= 0);

        for(int i = 1; i <= n; i++){
            for(int j = 1; j <= i; j++){
                System.out.print('*');              
            }
            System.out.println();

        }
        scan.close();
    }
}
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