[백준, BOJ 2445] 별 찍기 - 8 (java)

출처-https://www.acmicpc.net/problem/2445

2445번: 별 찍기 - 8

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import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub

		Scanner scan=new Scanner(System.in);
		int N=scan.nextInt();
		
		for (int i=1;i<=N;i++) {
			for (int j=1;j<=i;j++)
				System.out.print("*");
			for (int j=1;j<=(N-i)*2;j++)
				System.out.print(" ");
			for (int j=1;j<=i;j++)
				System.out.print("*");
			System.out.println();
		}
		
		for (int i=N-1;i>=1;i--) {
			for (int j=1;j<=i;j++)
				System.out.print("*");
			for (int j=1;j<=(N-i)*2;j++)
				System.out.print(" ");
			for (int j=1;j<=i;j++)
				System.out.print("*");
			System.out.println();
		}
	}

}