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Convert Decimal to Hexadecimal

In this section, you will learn to convert a decimal data into hexadecimal.

Convert Decimal to Hexadecimal


In this section, you will learn to convert a decimal data into hexadecimal. The java.lang package provides the functionality to convert a decimal number into a  hexadecimal. 

Code Description:

This program takes a decimal number at console and converts it  into the hexadecimal format using the toHexString() method. The given number is taken in as a string format. It must  be converted to an integer type. And toHexString() method convert it  into hexadecimal data.

This method takes a decimal value and  converts it  into  a hexadecimal (Base 16).

Here is the code of this program:

import java.lang.*;

public class DecimalToHexadecimal{
  public static void main(String[] argsthrows IOException{  
  BufferedReader bf = new BufferedReader(new InputStreamReader(;
  System.out.println("Enter the decimal value:");
  String hex = bf.readLine();
  int i = Integer.parseInt(hex);
  String hex1 = Integer.toHexString(i);
  System.out.println("Hexa decimal: " + hex1);

Download this program.

Output of this program:

C:\corejava>java DecimalToHexadecimal
Enter the decimal value:
Hexa decimal: 86



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January 20, 2012
conversion of hexadecimal to decimal

please give me hexadecimal to decimal with out using any mathematical functions
February 7, 2012
Digital Electronics

how to convert a number from hexadecimal to decimal ((134)10)?
December 30, 2012
Convert Decimal to Hexadecimal

Thank you very much!