Patterns-in-java/ButterflyPattern.java at master · Varshalachheta/Patterns-in-java · 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
51
public class ButterflyPattern {
    public static void main(String args []){
        int n = 5;

        // upper half
        for (int i=1; i<=n ; i++){
            //first part
            for(int j=1; j<=i; j++){
                System.out.print("*");
            }

            //spaces

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

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

        // lower half
        for (int i=n; i>=1 ; i--){
            //first part
            for(int j=1; j<=i; j++){
                System.out.print("*");
            }

            //spaces

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

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


    }

}