How can I pad an integer with zeros on the left?

Question

How do you left pad an int with zeros when converting to a String in java?

I\'m basically looking to pad out integers up to 9999

Answer 1

Use the class DecimalFormat, like so:

NumberFormat formatter = new DecimalFormat("0000"); //i use 4 Zero but you can also another number
System.out.println("OUTPUT : "+formatter.format(811)); 

OUTPUT : 0000811