Class the declaring class for this class Attributes RegisterAttribute Remarks If the class or interface represented by thisClassobject is a member of another class, returns theClassobject representing the class in which it was declared. This method returns null if this class or interface is not a...
因为你的Method m获取的方法是list.get(0)这个对象的方法,但是你通过反射调用的确是一个class实例而不是list.get(0)实例。改成 msg = m.invoke(list.get(0)); 应该就行了。
其中getClass()返回一个Class 对象 而这个Class 类十分特殊。它和一般类一样继承自Object,当一个class被加载,或当加载器(class loader)的defineClass()被JVM调用,JVM 便自动产生一个Class 对象 当我们获取到这个Class对象之后,我们就可以调用这个Class的方法直接对class字节文件进行操作,获取到类的属性、构造器、普通...
findAnnotationDeclaringClass(Transactional.class,InheritedAnnotationInterface.class)); assertNull(findAnnotationDeclaringClass(Transactional.class,SubInheritedAnnotationInterface.class)); assertEquals(InheritedAnnotationClass.class, findAnnotationDeclaringClass(Transactional.class,InheritedAnnotationClass.class)); assertEquals...
在使用反射执行一个方法时常遇到object is not an instance of declaring class的异常,如下代码:view plaincopy to clipboardprint? Java代码 import java.lang.reflect.Method; import java.text.SimpleDateFormat; import java.util.Date; import cn.rdt.famework.frame.config.FrameConstant; ...
在使用反射执行一个方法时常遇到object is not an instance of declaring class的异常,如下代码:view plaincopy to clipboardprint? import java.lang.reflect.Method; import java.text.SimpleDateFormat; import java.util.Date; import cn.rdt.famework.frame.config.FrameConstant; ...
在使用自省函数时遇到 代码如下 网上大多数原因时说writeMethod.invoke没有传入一个实例,但在这里不是这个原因 原因:line 的类型为Line.class 而...
java.lang.IllegalArgumentException: object is not an instance of declaring class 日前在调试动态代理的例子中,出现以上报错,关键代码如下: @OverridepublicObjectinvoke(Objectproxy,Methodmethod,Object[] args) throwsThrowable{System.out.println("执行"+ method.getName());if(method.getName().equals("write...
The next step is to declare the factory template for your filter. A factory template is a C++ class that contains information for the class factory. In your DLL, declare a global array ofCFactoryTemplateobjects, one for each filter or COM component in your DLL. The array must be namedg_...
>targetClass=config.getTargetClass();if(targetClass==null) {thrownewAopConfigException("TargetSource cannot determine target class: "+"Either an interface or a target is required for proxy creation."); }if(targetClass.isInterface() ||Proxy.isProxyClass(targetClass)) {returnnewJdkDynamicAopProxy(...