Programmer Think

1. Preface Preliminary knowledge for reading this article: Constructor, copy construct, copy constructClass access qualifierClass instantiationthis pointer Reference return catalog: Operator overloading Friend function, friend class, inner classDate class After we quickly get started with C + +, the first thing to bear the brunt is to lear ...

Structures and classes definition Place multiple objects together as a whole //definition struct str { int x; double y; }; //statement struct str; //Only the declaration only knows that str is a struct, but it is not known internally. At this time, str is incomplete type //However, str* mystr can be defined; The pointer size of all ...

Foreword: let's talk about reflection Codeword is not easy. Pay attention Reprint, please explain! Mind map:   catalogue What is reflection The following content will be explained around the Student class Class class Reflection instantiation Reflect dynamic method calls Reflection read / write properties                    Wh ...

Inner class Local inner class /* About the local inner class, its writing position, the class defined in the member method of the outer class Local internal classes can access member variables of external classes, including private variables! In the local location of the external class, access the member methods of the internal class and crea ...

preface I often use the reflection mechanism in practical projects, so I will take some summary notes on the learned reflection usage for future replay. There is such a class: package com.example.demo; import com.alibaba.fastjson.annotation.JSONField; public class User { private String name; @Value( value ="age_a") private ...

I hope you don't deliberately live in pursuit of a number. I hope you find the real valueYou must insist on being yourself, calm down and do what you like, and then give yourself to fate inherit Basic syntax of inheritance When defining these classes, the members of the lower level have their own characteristics in addition to the co ...

preface To serialize and deserialize a class, you only need to implement the java.io.Serializable interface or the java.io.Externalizable interface. Serialization and deserialization can provide support for Java Remote Method Invocation (RMI). Java serialization There are three ways to serialize Java: Implement the java.io.Serializable ...

Java reflection mechanism Reflection is the key to being regarded as a dynamic language. Reflection mechanism allows programs to obtain the internal information of any class with the help of Reflection API during execution, and can directly operate the internal properties and methods of any object. After loading the Class, a Class objec ...