package com.tn.clas;

 import java.lang.reflect.Method;

 import java.util.Arrays;

 public class Client {

     public static void main(String[] args) throws Exception {

         Class<User> clas=User.class;

         Method m=clas.getMethod("method", String[].class);

         m.invoke(null, new Object[]{new String[]{"aa","bb","cc"}});//静态方法可省略对象，直接用null替代，或用clas

         m=clas.getDeclaredMethod("method", int[].class);//非public方法要用declared获取

         m.setAccessible(true);//非public方法需要设置为可访问

         m.invoke(clas.newInstance(), new int[]{1,2,3,4,3,2,1});//非静态方法需要提供底层的类对象

     }

 }

 class User{

     public static void method(String...strings){

         System.out.println(Arrays.toString(strings));

     }

     private void method(int...ints){

         System.out.println(Arrays.toString(ints));

     }

 }