coding__

문제

package report;

import java.util.Scanner;

public class Ex02_09 {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		System.out.println("10이하의 자연수를 입력하시오.");
		int n = sc.nextInt();
		String str = "JUNGOL";
		for(int j=0; j<=n; j++) {
			System.out.println(str);
		}
		
		sc.close();
	}

}

package report;

import java.util.Scanner;

public class Ex06 {

	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		
		
		System.out.println("숫자를 입력하시오 (1~4) ");
		int i = sc.nextInt();
		
		
		while(i>=1) {
			System.out.println("1. Korea");
			System.out.println("2. USA");
			System.out.println("3. Japan");
			System.out.println("4. China");
			System.out.println("number? "+i);
			System.out.println();
			break;
		}
		
		
		switch (i) {
		case 1:
			System.out.println("Seoul");
			break;
		case 2:
			System.out.println("Washington");
			break;
		case 3:
			System.out.println("Tokyo");
			break;
		case 4:
			System.out.println("Beijing");
			break;

		default:
			System.out.println("none");
			break;
		}
		
		
		sc.close();
	}

}

문제

1. Korea
2. USA
3. Japan
4. China
number? 1

Seoul

1. Korea
2. USA
3. Japan
4. China
number? 5

none

package report;

public class Ex01 {

	public static void main(String[] args) {
		int i = 1;
		while(i<=15) {
			System.out.println(i + " ");
			i++;
		}
		
	}

}

문제

1부터 15까지 차례로 출력하는 프로그램을 작성하시오. while문을 이용하세요.