View difference between Paste ID: 52XTTnip and CzPSeSWq

-BeerSong.java
+//BeerSong.java
 
 public class BeerSong
 {
 
 	int n;
 	String beer;
 
 	public void singSong()
 	{
 		while(n<=100)
 			{
 				System.out.println(numberBeers(n) + " bottles of beer on the wall.");
 				n++;
 			}
 	}
 
 
 	String[] numbers =
 	{
 		"", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten",
 		"eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen"
 	};
 
 	String[] tens =
 	{
 		"", "", "Twenty", "Thirty", "Fourty", "Fifty", "Sixty", "Seventy", "Eighty", "Ninety", "One hundred"
 	};
 
 
 	public String numberBeers(int n)
 	{
 
 		if ( n<20 )
 		{
 			beer = numbers[n];
 		}
 
 		else if ( n>=20 )
 		{
 			if( n%10 == 0 )
 			{
 				beer = tens[n/10];
 			}
 
 			else
 			{
 				beer = tens[( n - (n%10) )/10] + "-" + numbers[n%10];
 			}
 		}
 
 		return beer;
 	}
 
 }
 
-Sing.java
+//Sing.java
 
 public class Sing
 {
 	public static void main(String[] args)
 	{
 		BeerSong newsong = new BeerSong();
 
 		newsong.singSong();
 	}
 
 }