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

Java String Formatting Java 

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

Syntax: %,d (use comma in between % and d)

package com.logicbig.example.string;

import java.util.Locale;

public class StringPrintfIntegerComma {

    public static void main(String[] args) {
        //comma format
        System.out.printf("%,d%n", 1000000);
        System.out.printf("%,d%n", 100000);
        //for different locale
        System.out.printf(Locale.US, "%,d%n", 5000000);
        System.out.printf(Locale.GERMAN, "%,d%n", 6000000);
    }
}

Output

1,000,000
100,000
5,000,000
6.000.000

See Also