Exercise4b.java

/* Sheet 4 Exercise B
* Written by: Ibrahim El-Serafy (Ibby)
* First written: 18/10/2016
* Last updated: 25/10/2016
*/
import sheffield.*;
public class Exercise4b {
	public static void main(String[] args) {
		final String SPACE = " ";
		final String STAR = "*";
		EasyReader keyboard = new EasyReader();
		int numberOfLines = keyboard.readInt("Please enter an odd number: ");
		int lengthOfLine = (2*numberOfLines)-1;

		for (int i=1; i<= numberOfLines; i++) {
			int numberOfStars = (2*i)-1;
			int numberOfSpaces = lengthOfLine - numberOfStars;
			System.out.print(
				new String(new char[numberOfSpaces/2]).replace("\0", SPACE));
			System.out.print(
				new String(new char[numberOfStars]).replace("\0", STAR));
			System.out.println(
				new String(new char[numberOfSpaces/2]).replace("\0", SPACE));

		}

	}
}