package com.togeek.mvntest;import java.lang.reflect.InvocationTargetException;import java.lang.reflect.Method;/** * @author togeek 利用反射調用方法 * @address http://www.companysz.com/togeek/ * @Date: 2015年11月29日18:01:31 */public class RefTest {    @Sup)    public static void main(String[] args) throws NoSuchMethodException, SecurityException, IllegalaccessException, IllegalArgumentException, InvocationTargetException {        Apple apple = new Apple();        apple.setName("我是蘋果");        System.out.println("正常調用："+apple.getName());        Class appleClass = apple.getClass();         Method m1 = appleClass.getDeclaredMethod("getName");         Method m2 = appleClass.getDeclaredMethod("setName", String.class);         System.out.println("反射調用:"+m1.invoke(apple));        System.out.println("反射set值：返回值為null----"+ m2.invoke(apple, "我是送給togeek的蘋果！"));        System.out.println("再次調用:"+m1.invoke(apple));    }}class Apple{    private String name;    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    }

正常調用：我是蘋果反射調用:我是蘋果反射set值：返回值為null----null再次調用:我是送給togeek的蘋果！