모래시계 자바

package ch4; import java.util.Scanner; public class Sand{ public static void main(String[] args) { // TODO Auto-generated method stub Scanner stdin=new Scanner(System.in); System.out.print("원하는 숫자를 입력하세요: "); int num=stdin.nextInt(); int i=num; for(i=num;i>=0;i-=2) { for(int j=i;j0;c--) System.out.print("*"); System.out.println(); } for(int t=3;tt;c-=2) { System.out.print(" "); } for(int j=0;j