Java Code Example: convert decimal to hexadecimal number

To convert a number from the decimal system to the hexadecimal system, the toHexString() method is used in Java. The Integer class provides several methods, such as the conversion methods.

import java.util.Scanner;

public class ConvertToHex {
  public static void main(String[] args) {
    int num;

    Scanner s = new Scanner(;
    System.out.print("Please enter a number: ");

    num = s.nextInt();


    String hex = Integer.toHexString(num);
    System.out.println("Hexadecimal value of number " + num + " is: " + hex);
Please enter a number: 14
Hexadecimal value of number 14 is: e