package com.jd.singleton;import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;/***** Created by zhanghao10 on 2016/5/9.*/
public class Reflect {/***  测试反射生成对应的方法*/public static void main (String args[]) throws ClassNotFoundException, IllegalAccessException, InstantiationException, InvocationTargetException, NoSuchFieldException, NoSuchMethodException {//        Class<?> clazz= Class.forName("com.jd.singleton.User");
//        User user= (User) clazz.newInstance();
//        User user2= (User) clazz.newInstance();
//        System.out.println(user==user2);
//        user.setName("Hello World");
//        System.out.println(user.equals(user2));
//        System.out.println(user.getName());
//        System.out.println(user2.getName());//        Class<User> clazz2=User.class;
//        User user=clazz2.newInstance();
//        user.setName("Hello World");
//        System.out.println(user.getName());//        User user=new User();
//        User user1=user.getClass().newInstance();
//        user1.setName("Hello World");
//        System.out.println(user.getName());//        Integer n1 = new Integer(47);
//        Integer n2 = new Integer(47);
//
//        System.out.println(n1 == n2);
//        System.out.println(n1.equals(n2));//        Class<?> clazz= Class.forName("com.jd.singleton.User");
//        Constructor<?>[] cons=clazz.getConstructors();
//        System.out.println(cons.length);//           Class<?> clazz=Class.forName("com.jd.singleton.User");
//           Constructor<?> [] cons= clazz.getDeclaredConstructors();
//           cons[0].setAccessible(true);//对于私有方法，需要设置可见性为false
//           User user= (User) cons[0].newInstance();
//           user.setName("123456");
//           System.out.println(user.getName());//           Class<?> clazz=Class.forName("com.jd.singleton.User");
//           Constructor<?> [] cons= clazz.getDeclaredConstructors();
//           cons[0].setAccessible(true);//对于私有方法，需要设置可见性为false
//           User user= (User) cons[0].newInstance();
//           user.setName("123456");
//           System.out.println(user.getName());//              Class<?> clazz=Class.forName("com.jd.singleton.User");
//              User user= (User) clazz.newInstance();
//              Field filedName=clazz.getDeclaredField("name");
//              filedName.setAccessible(true);
//              filedName.set(user,"我是小浩也");
//              System.out.println(user.getName());//                 Class<?> clazz=Class.forName("com.jd.singleton.User");
//                 User user= (User) clazz.newInstance();
//                 Method method=clazz.getDeclaredMethod("setName",String.class);
//                 method.invoke(user,"天下太平");
//                System.out.println(user.getName());Class<?> clazz=Class.forName("com.jd.singleton.User");User user= (User) clazz.newInstance();Method method=clazz.getDeclaredMethod("setName",String.class,int.class);method.invoke(user,"天下太平",123456);System.out.println(user.getValue());}}

package com.jd.singleton;/*** Created by zhanghao10 on 2016/5/9.*/
public class User {//    private User(){}private String name;//用户名称private int value;public String getName() {return name;}public int getValue(){return value;}public void setName(String name,int value) {this.name = name;this.value=value;}@Overridepublic int hashCode() {return (int) (Math.random()*100);
//        return super.hashCode();}@Overridepublic boolean equals(Object obj) {return true;
//        return super.equals(obj);}
}