Hexagonal To Binary

import java.util.Scanner;

public class JavaHexToBin
{
 public static void main(String[]args)
 {
  String[]hex={"0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"};
  String[]binary={"0000","0001","0010","0011","0100","0101","0110","0111","1000","1001","1010","1011","1100","1101","1110","1111"};
 
  Scanner s=new Scanner(System.in);
  System.out.print("Put hex value : ");
  String userInput=s.next();
  String result="";
  for(int i=0;i<userInput.length();i++)
  {
   char temp=userInput.charAt(i);
   String temp2=""+temp+"";
   for(int j=0;j<hex.length;j++)
   {
    if(temp2.equalsIgnoreCase(hex[j]))
    {
     result=result+binary[j];
    }
   }
  }
  System.out.println("IT'S BINARY IS : "+result);
 }
}