Hacktoberfest-Java/Butterfly.java at main · SoniaMirdha07/Hacktoberfest-Java · GitHub

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public class Butterfly {
    public static void main(String[] args) {
        int n = 4;
        for(int i = 1;i<=n;i++)
        {
            for(int k = 1;k<=i;k++)
            {
                System.out.print("*");
            }
            for(int j = 1;j<=(2*(n-i));j++)
            {
                System.out.print(" ");
            }
            for(int k = 1;k<=i;k++)
            {
                System.out.print("*");
            }
            System.out.println();
        }
        for(int i=n;i>=1;i--)
        {
            for(int k=1;k<=i;k++)
            {
                System.out.print("*");
            }
            for(int j = 1;j<=(2*(n-i));j++)
            {
                System.out.print(" ");
            }
            for(int k=1;k<=i;k++)
            {
                System.out.print("*");
            }
            System.out.println();
        }
        }
    }