• Research printf operation in Java. This is a more comprehensive way and can be used to do lot's of different formatting.

Proper spacing of numbers

• A simple way to think about it is to display an extra space if a number is less than 10. This will not work if dealing with negative numbers or numbers greater than 99. That adds complexity to this method.
• Resource printf operation in Java. This is a more comprehensive way and can be used to do lot's of different formatting.