convert hexadecimal hexstring to string in java

/**
 * @author lautturi.com
 * Java example: converting hexstring to string in java
 */

import java.util.*;

public class Lautturi {
	

	public static void main(String[] args) {

	       String str = "236d5a373839404142";
	      String result = new String();
	      char[] charArray = str.toCharArray();
		  
		  // convert hex char array to string in java
	      for(int i = 0; i < charArray.length; i=i+2) {
	         String st = ""+charArray[i]+""+charArray[i+1];
	         char ch = (char)Integer.parseInt(st, 16);
	         result = result + ch;
	      }
	      System.out.println(result);

	}
}

output:

#mZ789@AB