import java.lang.reflect.Method;public class ReflectDemo4 {    public static void main(String[] args) throws Exception {        //        getMethodDemo();        //        getMethodDemo2();                getMethodDemo3();            }    //反射方法，非静态，有参数的show方法    public static void getMethodDemo3() throws Exception{                String className = "cn.qujianlei.domain.Person";        Class clazz = Class.forName(className);                Method method = clazz.getMethod("paramShow", String.class,int.class);                Object obj = clazz.newInstance();                method.invoke(obj, "xiaoqiang",40);            }        //反射方法，静态，无参数的show方法    public static void getMethodDemo2() throws Exception{                String className = "cn.qujianlei.domain.Person";        Class clazz = Class.forName(className);                Method method = clazz.getMethod("staticShow", null);                method.invoke(null, null);                    }        //反射方法，非静态，无参数的show方法    public static void getMethodDemo() throws Exception{                String className = "cn.qujianlei.domain.Person";        Class clazz = Class.forName(className);                Method method = clazz.getMethod("show", null);                Object obj = clazz.newInstance();        method.invoke(obj, null);            }}

public class Person {            private String name;    private int age;    public Person(String name, int age) {        super();        this.name = name;        this.age = age;    }        public Person() {        super();        System.out.println("person run");            }        public void show(){        System.out.println("person show run");    }        public static void staticShow(){        System.out.println("person static show run");    }        public void paramShow(String name,int age){        System.out.println("show:"+name+"---"+age);    }        }