Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

public class Main {
    public static void main(String[] args) {
        int areaCode = 123;
        int exchangeCode = 456;

        NumberFormat nf3 = new DecimalFormat("0000");

        System.out.println(nf3.format(areaCode) + "-" + nf3.format(exchangeCode));
    }

}