/* 
 * Program to draw rectangles of stars in the standard output stream. The 
 * dimensions of the rectangle are read from the standard input stream. 
 */

package npw;

import java.util.Scanner;

import static java.lang.System.*;

public class TextRectangles {
    public static void main(String[] args) {
        int i = 3 ;
        while(i>0) {
            System.out.println("run:");
            int nrOfRows = Ask_For_Number("How many rows ? ");
            int nrOfColumns = Ask_For_Number("How many coloms ?");
            drawRectangle(nrOfRows, nrOfColumns);
            i = i-1;
        }

    }

    private static int Ask_For_Number(String message) {
        int resval = -1;

        while (resval <= 0) {

            out.println(message);
            Scanner temp_scan = new Scanner(in);
            String temp_str = temp_scan.nextLine();
            try {
                resval = Integer.parseInt(temp_str.trim());
            } catch (NumberFormatException nfe) {
                out.print("Invald \nEnter neumaeric vaule \n");
            }
        }
        return resval;
    }

    private static void drawRectangle(int nrOfRows, int nrOfColumns) {
        int i = 1;
        while ( i <= nrOfRows) {
            drawOneRow(nrOfColumns);
            i=i+1;

        }
    }

    private static void drawOneRow(int nrOfColumns) {
       int i = 1;
       while (i <= nrOfColumns){
            out.print("*");
            i = 1 + i;
        }
        out.println();
    }
}