package com.test;

public class MyTest

{

    public void do_test()

    {

        System.out.println("Doing test...\n");

    }

}

import java.lang.reflect.Method;

public class MainCall

{

    public static void main(String[] args)

    {

        System.out.println("Hello World!\n");

        Class<?> mt = null;

        try{

            mt = Class.forName("com.test.MyTest");

        }catch(Exception e) {

            e.printStackTrace();

        }

        System.out.println("ClassName: " + mt.getName());

        try{

            Method method = mt.getMethod("do_test");

            method.invoke(mt.newInstance());

        }catch (Exception e) {

            e.printStackTrace();

        }

    }

}