Question

Write a Java program (name it SandClock) that uses nested loops to print out the following shape (sand clock).

*

***

*****

*******

*********

Answer 1

public class SandClock1 {
    public static void main(String[] args) {
        int n = 9;
        int spaces = n/2;

        for (int i=0; i<n; i+=2) {
            for (int j=0; j<spaces; j++) {
                System.out.print(" ");
            }
            spaces = spaces - 1;
            for (int j=0; j<=i; j++) {
                System.out.print("*");
            }
            System.out.println();
        }
    }
}