Converting Decimal number to hexadecimal using Java

import java.util.Scanner;

public class JavaProgram

{

public static void main(String args[])

{

int decnum, rem;

String hexdecnum="";

/* digits in hexadecimal number system */

char hex[]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};

Scanner scan = new Scanner(System.in);

System.out.print("Enter Decimal Number : ");

decnum = scan.nextInt();

while(decnum>0)

{

rem = decnum%16;

hexdecnum = hex[rem] + hexdecnum;

decnum = decnum/16;

}

System.out.print("Equivalent Hexadecimal Value of " + decnum + " is :\n");

System.out.print(hexdecnum);

}

}

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