HourGlass.java

/*
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 */
package hourglass;

/**
 *
 * @author Master Irfak
 */
import java.util.Scanner;

public class HourGlass {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        Scanner input = new Scanner(System.in);
        System.out.print("Number Input : ");
        int number = input.nextInt();
        for (int i = number; i > 0; i--) {
            for (int j = number; j > i; j--) {
                System.out.print(" ");
            }
            for (int k = 0; k < (2 * i - 1); k++) {
                System.out.print("*");
            }
            System.out.println();
        }
        for (int i = 2; i <= number; i++) {
            for (int j = number; j > i; j--) {
                System.out.print(" ");
            }
            for (int k = 1; k <= (2 * i - 1); k++) {
                System.out.print("*");
            }
            System.out.println();
        }
    }
}