expalin
import java.util.Scanner; public class Main{ public static void main(String[]args){ Scanner s=new Scanner(System.in); System.out.println("Enter no of rows"); int row=s.nextInt(); System.out.println("Enter no of cols"); int col=s.nextInt(); for (int i=1;i<=row;i++){ for(int space=1;space<=row-i;space++){ System.out.print(" "); } for(int j=1;j<=2*i-1;j++){ if(j==1||j==2*i-1){ System.out.print("*"); } ...