Z4_PrintPiramid

import java.util.Scanner;

public class Z4_Piramid {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        System.out.print("Enter number of lines: ");
        int num = input.nextInt();

        piramid(num);

        input.close();
    }

    public static void piramid(int n){
        for(int i = 1; i <= n; i++){
            for(int j = n; j > 0; j--){
                if(j <= i){
                    System.out.print(j + " ");
                } else {
                    System.out.print("  ");
                }
            }

            for(int k = 2; k <= n; k++){
                if(k <= i){
                    System.out.print(k + " ");
                } else {
                    System.out.print(" ");
                }
            }
            System.out.println();
        }

    }

}