Chapter4_Loops_Ex13

import java.util.Scanner;
/*
    =====================================================
                   chapter 4: Loops

                    Ex13: sand clock
    =====================================================
*/

public class MyProgram {
    public static void main(String[] args) {

        //variables
        int base;
        Scanner s=new Scanner(System.in);

        //user input
        System.out.println("Enter triangle base: ");
        base=s.nextInt();

        //printing triangle base in top
        for(int i=0;i<base;i++){
            for(int space=base-i;space<base;space++)    //loop for space
                System.out.print(" ");
            for(int j=i;j<base;j++)
                System.out.print("* ");     //loop for stars
            System.out.println();
        }

        //printing triangle base in bottom
        for(int i=0;i<base;i++) {
            for (int space = i+1; space < base; space++)    //loop for space
                System.out.print(" ");
            for (int j = base-i-1; j < base; j++)
                System.out.print("* ");     //loop for stars
            System.out.println();
        }
    }
}