Java-Programs/Pattern_Butterfly.java at master · imsushant12/Java-Programs · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
// *       *
// **     **
// ***   ***
// **** ****
// **** ****
// ***   ***
// **     **
// *       *

import java.util.Scanner;

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

        Scanner sc = new Scanner(System.in);

        int row = sc.nextInt();

        for (int i = 1; i <= row; i++) {
            for (int j = 1; j <= i; j++) {
                System.out.print("*");
            }

            for (int j = 1; j <= 2 * (row - i); j++) {
                System.out.print(" ");
            }

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

        for (int i = row; i >= 1; i--) {
            for (int j = 1; j <= i; j++) {
                System.out.print("*");
            }

            for (int j = 1; j <= 2 * (row - i); j++) {
                System.out.print(" ");
            }

            for (int j = 1; j <= i; j++) {
                System.out.print("*");
            }
            System.out.println();
        }
        sc.close();
    }
}