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Java String Formatting - How to apply padding in integers using String#printf()?

[Last Updated: Nov 8, 2025]

Java String Formatting Java 

This example shows how to apply padding in integers with String#printf()

Syntax: %nd where n is any positive or negative integer

package com.logicbig.example.string;


public class StringPrintfIntegerPadding {

    public static void main(String[] args) {
        //padding without zeros
        System.out.printf("[%4d]%n", 9);
        //padding with zeros
        System.out.printf("[%04d]%n", 9);
        //right padding
        System.out.printf("[%-4d]%n", 3);
        System.out.printf("[%-10d %d]%n", 6, 3);

    }
}

Output

[   9]
[0009]
[3   ]
[6          3]

See Also