patternQuestion21.java

package PatternPrintingAll;

import java.util.Scanner;

public class patternQuestion21 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter n: ");
        int n = scanner.nextInt();
        int nsp = 1;
        int nst = n;

        for (int i = 0; i < n; i++) {
            for (int j = 0; j <=nsp; j++) {
                System.out.print("  ");
            }
            for (int j = 0; j <nst ; j++) {

                if(i==0 && j==1){
                    System.out.print(" ");
                }
                else if(i+j==n-2){
                    System.out.print(" ");
                }
                else
                System.out.print("1 ");
            }
            nsp++;
            nst-=2;
            System.out.println();
        }

    }}