Half Pyramid Ver 2

import java.util.Scanner;

public class Question3 {
    public static void main(String[] args) {
        Scanner keyboard = new Scanner(System.in);

        int i, j, k, height;

        System.out.println("Enter a height");
        height = keyboard.nextInt();

        if (height <= 0)
        {
            System.out.println("Height must be at least one.");
        } else {
            for (i = 1; i <= height; i++) {
                for (j = i; j < height; j++)
                    System.out.print("");
                for (k = 1; k <= i; k++)
                    System.out.print("*");
                System.out.print("\n");
            }

        }

    }
}