[Java Basics] [Crypt] Base64

import java.io.UnsupportedEncodingException;
import java.util.Base64;

public class Base64Crypt {

    public static String encrypt(String str) {
        try {
            return Base64.getEncoder().encodeToString(str.getBytes("utf-8"));
        } catch (UnsupportedEncodingException e) {
            return "";
        }
    }

    public static String decrypt(String str) {

        try {            
            byte[] base64decodedBytes = Base64.getDecoder().decode(str);               
            String res = new String(base64decodedBytes, "utf-8");
            return res;

        } catch (UnsupportedEncodingException e) {
            return "";
        }

    }

} // The End of Class;