Java MD5 Algorithm

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import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class JavaMD5Algorithm {

	public static void main(String[] args) {
		System.out.println("For null " + md5(""));
		System.out.println("For simple text " + md5("This is my text"));
		System.out.println("For simple numbers " + md5("12345"));
	}

	public static String md5(String input) {
		String md5 = null;
		if (null == input)
			return null;
		try {
			// Create MessageDigest object for MD5
			MessageDigest digest = MessageDigest.getInstance("MD5");
			// Update input string in message digest
			digest.update(input.getBytes(), 0, input.length());
			// Converts message digest value in base 16 (hex)
			md5 = new BigInteger(1, digest.digest()).toString(16);
		} catch (NoSuchAlgorithmException e) {
			e.printStackTrace();
		}
		return md5;
	}
}

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