numberPattern_1.java

import java.util.Scanner;
public class pattern {
	public static void printTriagle(int n)
    {
		int temp = n;
      for(int i=0;i<n;i++) {

      	for(int j=0;j<n*2;j++) {

      		if(i==0) {
      			System.out.print(n);

      		} else if ((j<n-i) || (j>=temp+(i*2))) {
      			System.out.print(temp);

      		} else {
      			System.out.print("*");

      		}
       	}

      	temp--;
      	System.out.println("");
     	}
    }

public static void main(String[] args) {

		pattern obj=new pattern();

		Scanner sc=new Scanner(System.in);

		System.out.println("Enter the value of n : ");

		int n = sc.nextInt();

		obj.printTriagle(n);
	}
}