wrq reflection

In last month's article, I introduced the Java Reflection API and briefly described some of its basic features. I also examined the performance of reflection and gave some guidelines at the end of the article to tell the reader when to use reflection in an application and when not to use reflection. In this month's art

First, the basic concept of reflectionReflection contains an "inverse" concept, so to explain the reflection must first start from "positive", in general, when the user uses a class, should know the class, and then through the class to produce instantiated objects, but "anti" refers to the object to find the class.packagecn.mldn.demo;class Person { }public class TestDemo { public static void main(String[] args) throws Exception { Person p

1. What is reflection?A class has several components, such as member variables, methods, construction methods, and so on.Reflection is the loading class and the anatomy of each component of the class.2. Load ClassIn Java, there is an classes class that represents the byte code of a class.Since class classes represent the bytecode of a class, it is necessary to provide a class that loadsByte-code method: Forname (). This method is used to load the byte

What is reflectionThe reflection mechanism refers to the information that can be obtained when the program is run. In Java, as long as the name of the class is given, the information of the class can be obtained through the reflection mechanism.Where to use the reflection mechanismIn JDBC, it is the reflection that is

This example describes the Android subtraction operation based on reflection technology. Share to everyone for your reference, specific as follows: Java Reflection mechanism Definition: The Java reflection mechanism is in the running state, and for any class, all the properties and methods of the class are known, and any one of its methods can be invoked for an

C # functions and key points of reflection technology, Reflection (Reflection) is. NET, which can be obtained at runtime through radiation. NET, including methods, attributes, events, and constructor. You can also obtain the name, qualifier, and parameters of each member. With reflection, you can be familiar with every

Reflection TechnologyReflection (reflection) is. net, which can be obtained at runtime through radiation. net, including methods, attributes, events, and constructor. You can also obtain the name, qualifier, and parameters of each member. With reflection, you can be familiar with every type. If you obtain information about the constructor, you can directly create

Reflection TechnologyReflection (reflection) is. net, which can be obtained at runtime through radiation. net, including methods, attributes, events, and constructor. You can also obtain the name, qualifier, and parameters of each member. With reflection, you can be familiar with every type. If you obtain information about the constructor, you can directly create