How do I add leading zeros to a number?
Category: java.lang, viewed: 30949 time(s).
This example shows you how to use the String.format() method to add zero padding to a number. If you just want to print out the result you can use System.out.format(). This method is available since Java 1.5, so If you use a previous version you can use the NumberFormat class, see: How do I format a number with leading zeros?.
For more information about the format syntax you can find it here.
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