defineClass(null, bytes, 0, bytes.length);
....................
ResultSet rs = stm2.executeQuery("Select kode From data where Kod = 01");
        while (rs.next()) {
          System.out.println(rs.getString(3));
        }
        byte byteslast[] = bytes;
        Object object = clazz.newInstance();
        java.lang.reflect.Method m = xxx.getDeclaredMethod("main", null);

Class xxx = loader.LoadClass(byteslast);
Class clazz = Class.forName(xxx.getName(), true, ClassLoader);
m.invoke(object, null);

public class TestModule {
  public static void main() {
    System.out.println("Hi, I'm Dynamic running file");
  }
}

 class procedure1 {
     public String ShowMessage(String getString, int i) {
       System.out.println("This is string: " + getString);
       getString = getString + Integer.toString(i);
       return getString;
     } 
}

Class argTypes[] = {java.lang.String.class};
Class args[] = {"хрень"}; - 
Method m = xxx.getMethod("gr",argTypes);

Class argTypes[] = {java.lang.String.class, java.lang.boolean.class, java.lang.Integer.class};

java.lang.NoSuchMethodException....

java.lang.IllegalArgumentException: argument type mismatch

    Class argTypes[] = {String.class};    
Или как его хафик обявлять? 

......................
        Class xxx = loader.LoadClass(byteslast);
        Class clazz = Class.forName(xxx.getName(), true, loader);
        Class argsb[] = {clazz};        
        Object object = clazz.newInstance();
        Method gr = xxx.getMethod("gr", argTypes);
.......................
Что то нито, где ошибка?

public class procedure_02 {
  public String gr(String getstr)
    {
      System.out.println("Hello from main method! " + getstr);
      return getstr;
    }
}

     gr.invoke(object,argsb);

Class xxx = loader.LoadClass(byteslast);
        Class clazz = Class.forName(xxx.getName(), true, loader);
        Class argsb[] = {clazz};        
        Object object = clazz.newInstance();
        Method gr = xxx.getMethod("gr", argTypes);
       gr.invoke(object,argsb);

gr.invoke(object,argsb);

YourClass#gr(Class);

invoke(Object, Object[]);