Make the pattern chosen by the user

AsciiArt.java

/*File Name: <AsciiArt.java> 
	Author: <Austin Applegate> 
    KUID: <2210758>
	Email Address: <theappler@gmail.com> 
	Homework Assignment Number: < 2 > 
	Description: <Depending on what number the user chooses it will display a specific pattern relating the number choosen> 
	Last Changed: <9/30/12> 
	*/

import java.util.Scanner;

public class AsciiArt {

	public static void main(String[] args){
		
		Scanner keyboard = new Scanner(System.in);
		
		//declaring variables
		int userInput;
		int space = 3;
		int width = 0;
		int num = 0;
		int oddOrEven = -1;
		
		//asking the user for input
		System.out.println("Choose one of the following patterns by typing the corresponding number: ");
		System.out.println("1) 5x5 Grid");
		System.out.println("2) Checker Board");
		System.out.println("3) Reverse Diagonal");
		userInput = keyboard.nextInt();
		
		
		if(userInput == 1){
			//loop for 5x5 grid
			while(width < 5){
				System.out.print(num + " ");
				
				for (int i = 0; i < space; i++){
					System.out.print("* ");
				
				}
				System.out.println();
				num++;
				width++;
			}
		}
		
		else if(userInput == 2){
			//loop to make Checker Board
			while(width < 5){
				System.out.print(num + " ");
				oddOrEven = num % 2;
				
				if(oddOrEven == 0){
					for (int i = 0; i < 3; i++){
						System.out.print(" *  ");
				
					}
				}
				
				if(oddOrEven == 1)
					for(int i = 0; i < 2; i++){
						System.out.print("   *");
					}
				System.out.println();
				width++;
				num++;
			}
		}
		
		else if(userInput == 3){
			
			//loop to make Reverse Diagonal
		}
	}
}