While 문 으로 행열

1.
package ch02;

import java.util.Scanner;

public class While301 {

	public static void main(String[] args) {
	// TODO Auto-generated method stub
	Scanner in = new Scanner(System.in);
	System.out.println("정수 2개를 입력하세요:");

		int x, y, Garo, Sero;

		x = in.nextInt();
		y = in.nextInt();

		Garo = 1;
		Sero = 1;

		while (Garo <= x) {
			while (Sero <= y) {
				System.out.printf("%4d", Garo * Sero);
				Sero++;
			}
			Sero = 1;
			Garo++;
			System.out.println();

		}

	}

}

2.

package ch02;

import java.util.Scanner;

public class While3 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner in = new Scanner(System.in);
		System.out.printf("정수 2개를 입력하세요:");

		int x = 10;// in.nextInt();10
		int y = 10;// in.nextInt();10
		int a = 1;
		int b = 1;
		int c = 1;

		while (a <= x) {
			while (b <= y) {
				System.out.print(a * b + " ");
				b = b + 1;
			}
			System.out.println("");
			a = a + 1;
			b = c;
		}

	}

}!