Java Tips - Conversion from decimal to hexadecimal

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Conversion from decimal to hexadecimal

You can convert a decimal to binary using three different methods as shown below:


   int i = 42;

   String hexstr = Integer.toString(i, 16);



   or

   

   String hexstr = Integer.toHexString(i);



   or (with leading zeroes and uppercase)

   

   public class Hex {

     public static void main(String args[]){

       int i = 42;

       System.out.print

         (Integer.toHexString( 0x10000 | i).substring(1).toUpperCase());

      }

     }