package com.imooc.reflect.test;

import java.lang.reflect.Constructor;

import org.junit.Test;

public class ConstructorTest {

@Test

/**

* 获得无参数的构造方法

*/

public void demo1() throws Exception{

// 获得类的字节码文件对应的对象:

Class class1 = Class.forName("com.imooc.reflect.test.Person");

Constructor c = class1.getConstructor();

Person person = (Person) c.newInstance();// 相当于Person person = new Person();

// person.eat();

}

@Test

/**

* 获得有参数的构造方法

*/

public void demo2() throws Exception{

Class class1 = Class.forName("com.imooc.reflect.test.Person");

Constructor c = class1.getConstructor(String.class,String.class);

Person person = (Person) c.newInstance("张三","男");// Person person = new Person("张三","男");

System.out.println(person);

}

}