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 Java > Core > Integer > Decimal to Hex Conversion

Decimal to Hex Conversion 

The following example shows how to convert a number in Decimal system to Hexa decimal system and vice versa.

File Name  :  
com/bethecoder/tutorials/core/integer/Integer2Hex.java 
Author  :  Sudhakar KV
Email  :  kvenkatasudhakar@gmail.com
   
package com.bethecoder.tutorials.core.integer;

public class Integer2Hex {

  /**
   @param args
   */
  public static void main(String[] args) {

    int num = 21;
    String str = Integer.toHexString(num);
    System.out.println(num + "(decimal) in hex : " + str);
    
    num = Integer.parseInt(str, 16);
    System.out.println(str + "(hex) in decimal : " + num);
  }

}
   

It gives the following output,
21(decimal) in hex : 15
15(hex) in decimal : 21


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