关于反照简单用法

关于反射简单用法
               System.out.println("1、通过类本身获得对象");
20             Class clazz = this.getClass();
21             System.out.println(clazz.getName());
22             System.out.println("==============");
23
24             System.out.println("2、通过子类的实例获得父类对象");
25             Customer customer = new Customer();
26             clazz = customer.getClass();
27             System.out.println(clazz.getSuperclass().getName());
28             System.out.println("==============");
29
30             System.out.println("3、通过类名.class获取对象");
31             Class forClass = com.ljq.test.GetClassTest.class;
32             System.out.println(forClass.getName());
33             System.out.println("==============");
34
35             System.out.println("4、通过类名的字符串获取对象");
36             Class forName = Class.forName("com.ljq.test.GetClassTest");
37             System.out.println(forName.getName());
38             System.out.println("=============");