java反射3——类实例的方法2

package cn.classes;

public class Person
{
<wbr>private String name;<br><wbr>private int age;</wbr></wbr>

<wbr>public Person(String name, int age)<br><wbr>{<br><wbr><wbr>super();<br><wbr><wbr>this.name = name;<br><wbr><wbr>this.age = age;<br><wbr>}</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>

<wbr>public String getName()<br><wbr>{<br><wbr><wbr>return name;<br><wbr>}</wbr></wbr></wbr></wbr></wbr>

<wbr>public void setName(String name)<br><wbr>{<br><wbr><wbr>this.name = name;<br><wbr>}</wbr></wbr></wbr></wbr></wbr>

<wbr>public int getAge()<br><wbr>{<br><wbr><wbr>return age;<br><wbr>}</wbr></wbr></wbr></wbr></wbr>

<wbr>public void setAge(int age)<br><wbr>{<br><wbr><wbr>this.age = age;<br><wbr>}</wbr></wbr></wbr></wbr></wbr>

<wbr>@Override<br><wbr>public String toString()<br><wbr>{<br><wbr><wbr>return "Person [name=" + name + ", age=" + age + "]";<br><wbr>}</wbr></wbr></wbr></wbr></wbr></wbr>

}

<wbr><wbr></wbr></wbr>

package cn.test;

import java.lang.reflect.Constructor;

import cn.classes.Person;

public class Test
{
<wbr><wbr><wbr> // 如果没有一个空构造方法<br><wbr>public static void main(String[] args)<br><wbr>{<br><wbr><wbr>Class&lt;?&gt; c = null;<br><wbr><wbr>try<br><wbr><wbr>{<br><span style="color:#ed1c24"><wbr><wbr><wbr></wbr></wbr></wbr></span><strong><span style="color:#ed1c24">c = Class.forName("cn.classes.Person");<br><wbr><wbr><wbr>Constructor&lt;?&gt; cons[] = c.getConstructors();<br><wbr><wbr><wbr>Person p = (Person)cons[0].newInstance("xy",20);<br></wbr></wbr></wbr></wbr></wbr></wbr></span></strong><wbr><wbr><wbr>System.out.println(p);<br><wbr><wbr>}<br><wbr><wbr>catch (Exception e)<br><wbr><wbr>{<br><wbr><wbr><wbr>e.printStackTrace();<br><wbr><wbr>}<wbr><wbr><br><wbr>}<br> }<br></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>

帮助文档参见

java.lang;

java.lang.reflect