java反射3——类实例的方法1

package cn.classes;

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

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

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

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

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

package cn.test;

import cn.classes.Person;

public class Test
{
<wbr></wbr>// 这样做必须在类中有一个空构造方法
<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><wbr><wbr><wbr><wbr><wbr><wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>c = Class.forName("cn.classes.Person");
<wbr><wbr><wbr><wbr><wbr><wbr></wbr></wbr></wbr></wbr></wbr></wbr>Person p = (Person)c.newInstance();
<wbr><wbr><wbr><wbr><wbr><wbr> p.setName("xy");<br><wbr><wbr><wbr><wbr><wbr><wbr> p.setAge(20);<br><wbr><wbr><wbr><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></wbr></wbr></wbr></wbr>

帮助文档参见

java.lang;

java.lang.reflect