DiamondPattern

import java.util.Scanner;

public class DiamondPattern {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("Enter the number of rows needed to print the pattern ");
        int rows = scanner.nextInt();

        System.out.println("## Printing the pattern ##");
        
        for (int i=1; i<=rows; i++) { 
            for (int j=rows; j>i; j--) {
                System.out.print(" ");
            }
            for (int k=1; k<=(i * 2) -1; k++){ 
               System.out.print("*"); 
            } 
            System.out.println(); 
        } 
        for (int i=rows-1; i>=1; i--) {

            for (int j=rows-1; j>=i; j--) {
                System.out.print(" ");
            }

            for (int k=1; k<=(i * 2) -1; k++) {
                System.out.print("*");
            }
            
            System.out.println();
        }
        
        scanner.close();
    }
}