反射获取类的几种方法

 1 public class Demo {
 2 
 3     /**
 4      * 反射：加载类，获得类的字节码
 5      * @param args
 6      * @throws ClassNotFoundException 
 7      */
 8     public static void main(String[] args) throws ClassNotFoundException {
 9         
10         //1
11         Class clazz = Class.forName("Person");
12         
13         //2
14         Class clazz1 = new Person().getClass();
15         
16         //3
17         Class clazz2 = Person.class;
18 
19     }
20 
21 }