package com.pigetest.util;

import java.lang.reflect.Method;

public class PrivateMethodTestHelper {

    public static Object invoke(String clazzName,String methodName,Object...params){

        try {

            Class<?> clazz=Class.forName(clazzName);

            Object obj=clazz.newInstance();

            Method[] methods = clazz.getDeclaredMethods();

            Method callMethod=null;

            for(Method method:methods){

                if(method.getName().equals(methodName)){

                    callMethod=method;

                    break;

                }

            }

            callMethod.setAccessible(true);

            return (Object) callMethod.invoke(obj,params);

        } catch (Exception e) {

            e.printStackTrace();

        }

        return null;

    }

    public static void main(String[] args) {

        int value=(Integer) PrivateMethodTestHelper.invoke("com.pigetest.util.AddNumber","addNumber",,);

        System.out.println(value);

    }

}