import java.util.Scanner; public class pattern1 { public static void main(String[] args) { Scanner in = new Scanner(System.in); int rows; System.out.print("Enter number of Rows : "); rows = in.nextInt(); for(int i=1; i<=rows; i++) { for(int j=1; j<=i; j++) { System.out.print("* "); } System.out.println(); } } }