What id the error

#1

import java.util.Scanner;

public class invertedHourGlass {

public static void main(String[] args) {
	
	Scanner scn = new Scanner(System.in);
	int n = scn.nextInt();
	
	int nr = 2*n - 1;
	
	int nsp = n-1;
	int nst = 1;
	
	// Rows
	
	int row = 1;
	while(row <= n)
	{
		//Work for Space1
		for(int csp = 1; csp<=nsp;csp++)
		{
			System.out.print(" ");
		}
		
		//Work for Star
		for(int cst = 1; cst<=nst;cst++)
		{
			System.out.print("*");
		}
		
		
		System.out.println();
		
		if(row <= nr/2+1)
		{
			nsp--;
			nst+=2;
		}
		else
		{
			nsp++;
			nst-=2;
		}
		
		row++;
		
	}

}

}

#2

Hey @nikhilkapoor1999 I have made two changes to your code :
i) While loop condition has to be 2*n-1 not ‘n’
ii) here
if(row < nr/2+1)
{
nsp–;
nst+=2;
}
you have written row <= nr/2 + 1 but it should not contain equal to sign.

#3

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