Code-Vault/Java/Pattern_07.java at main · Ritik0102-bit/Code-Vault · GitHub

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// Pattern print -> Butterfly Pattern

// n = 4

// *             *
// * *         * *
// * * *   * * * *
// * * * * * * * *
// * * * * * * * *
// * * *   * * * *
// * *         * *
// *             *

import java.util.Scanner;

public class Pattern_07 {
    public static void main(String[] args){
        Scanner sc= new Scanner(System.in);

        int n=sc.nextInt();

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

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

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

            System.out.println();
        }

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

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

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

            System.out.println();
        }
        sc.close();
    }
}