write a program in java to print triangle of star (pyramid ).
program:-
package demo;
import java.util.Scanner;
public class star {
public static void main(String[] args) {
// TODO Auto-generated method stub
int i,j,k,a=1,n;
System.out.println("Enter the Number of rows: ");
Scanner in =new Scanner(System.in);
n=in.nextInt();
for(i=1;i<=n;i++)
{
for(j=1;j<=n-i;j++)
{
System.out.print(" ");
}
for(k=1;k<=a;k++)
{
System.out.print("*");
}
a=a+2;
System.out.println();
}
}
Output:-
Enter the
Number of rows:
6
*
***
*****
*******
*********
***********
