java反射2——Class类实例化的三种方法

package cn.classes;

public class OneClass

{

}

<wbr></wbr>

package cn.test;

import cn.classes.OneClass;

public class Test

{

<wbr>public static void main(String[] args)</wbr>

<wbr>{<br><wbr><wbr>Class&lt;?&gt; c1 = null;<br><wbr><wbr>Class&lt;?&gt; c2 = null;<br><wbr><wbr>Class&lt;?&gt; c3 = null;</wbr></wbr></wbr></wbr></wbr></wbr></wbr>

<wbr><wbr>try<br><wbr><wbr>{</wbr></wbr></wbr></wbr>

<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>// 重要<br><wbr><wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr><wbr><wbr><wbr><wbr> c1 = Class.forName("cn.classes.OneClass");<br></wbr></wbr></wbr></wbr><wbr><wbr>}<br><wbr><wbr>catch (ClassNotFoundException e)<br><wbr><wbr>{<br><wbr><wbr><wbr>e.printStackTrace();<br><wbr><wbr>}</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>

<wbr><wbr></wbr></wbr>c2 = new OneClass().getClass();
<wbr></wbr>c3 = OneClass.class;
<wbr><wbr><br><wbr><wbr>// 结果cn.classes.OneClass<br><wbr><wbr>System.out.println(c1.getName());<br><wbr><wbr>System.out.println(c2.getName());<br><wbr><wbr>System.out.println(c3.getName());</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>

<wbr>}</wbr>

}

帮助文档参见

java.lang;

java.lang.reflect