MD5 function call

[Dat Luu]

Hi! I just start to study Java this semester, my first assignment is to convert a md5 string to password of the user, the MD5 function is available, i just need to call it and print the result. Here is my code. I can't call the md5 because of the String[] and String is different in main and md5 function, please help me modify the code so it can run properly, also the input has to be entered from command line.
Thank a lot!

import java.security.*;

public class PasswordCracker {
	
	
	
	
	public static void main (String[] args){
		String password;
		md5(args)
		System.out.printf(""+password+"");
	}	


	public static String md5 ( String args) {
		
		 StringBuilder sb = new StringBuilder ();
		 try {
		 byte [] bytesOfMessage = args. getBytes ("UTF -8");
		 MessageDigest md = MessageDigest . getInstance (" MD5 ");
		 byte [] digest = md. digest ( bytesOfMessage );
		 for ( byte b : digest ) {
		 sb. append ( String . format ("%02x", b ));
		}
		 } catch ( Exception e) {
		 throw new RuntimeException (e);
		}
		return sb. toString ();
	}

}

[Ron McLeod]

String[] args is an array of command-line arguments. You only want to pass the first element of the array to your MD5 hash routine, not the entire array.