*

   #*#

  ##*##

 ###*###

 import java.util.Scanner;

​

public class Main {

​

    public static void main(String[] args) {

        Scanner sc= new Scanner(System.in);

        int n= sc.nextInt();

       for(int row=1;row<=n;row++)

       {

           for(int space=1;space<=n-row;rpw++)

           {

               System.out.print(" ");

           }

           for(int num=1;num<=row;num++)

           {

               System.out.print("*")

           }

       }

​

    }

​

}

​

import java.io.*;

// Java code to demonstrate star patterns

public class GeeksForGeeks

{

    // Function to demonstrate printing pattern

    public static void printStars(int n)

    {

        int i, j;

        // outer loop to handle number of rows

        //  n in this case

        for(i=0; i<n; i++)

        {

            //  inner loop to handle number of columns

            //  values changing acc. to outer loop   

            for(j=0; j<=i; j++)

            {

                // printing stars

                System.out.print("* ");

            }

            // ending line after each row

            System.out.println();

        }

   }

    // Driver Function

    public static void main(String args[])

    {

        int n = 5;

        printStars(n);

    }

}