How do I format a number with leading zeros?

This example give you an example using java.text.DecimalFormat class to add leading zeros to a number. For another method you can read the see the earlier example on How do I add leading zeros to a number?.

package org.kodejava.text;

import java.text.DecimalFormat;
import java.text.NumberFormat;

public class NumberFormatLeadingZerosExample {
    public static void main(String[] args) {
        NumberFormat formatter = new DecimalFormat("0000000");
        String number = formatter.format(2500);

        System.out.println("Number with leading zeros: " + number);
    }
}

The result of code snippet above:

Number with leading zeros: 0002500

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Wayan

Founder at Kode Java

A Java programmer who lives on the island of Bali, Indonesia. Programming in Spring Framework, Hibernate / JPA, MySQL. To support me working on this project, buy me a cup of coffee, every little bit helps. Thank you.

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