Programming VIP

1. Class template syntax Class template function: Create a general class. The member data types in the class can be represented by a virtual type without specific formulation. Class template syntax: template<typename T> class Template - declare the creation of a template typename - the symbol behind the surface is a data type, which c ...

1, Background When we start the application, we often need to do some initialization operations. At this time, we try to tangle with their execution order. In fact, what we should really care about is our requirements and when they should be executed. 2, Source code analysis In order not to state a large number of source code, only the run m ...

There are thousands of people in the vast sea. Thank you for seeing here this second. I hope my interview question series can help you! Encourage each other! May you keep your love and go to the mountains and seas in the future! Java Basics (inheritance) 🍦 inherit 🍧 Introduction to inheritance Inheritance is a cornerstone of java ob ...

https://www.bilibili.com/video/BV1et411b73Z?p=99https://www.bilibili.com/video/BV1et411b73Z?p=99 The three characteristics of C + + object-oriented are encapsulation, inheritance and polymorphism C + + believes that everything is an object, and the object has its properties and behavior For example: People can be used as objects. The attr ...

Chain programming summary JDK chain programming has the advantages of strong programmability, readability and concise code. The principle of chain programming is to return a this object, that is, to return itself to achieve the chain effect. For example, the StringBuilder of JDK is to realize the effect of chain programming. StringBuilder bu ...

2, AOP aspect oriented programmingOfficial download addressPower node spring dataVideo viewing addresshttps://www.bilibili.com/video/BV1nz4y1d7uy2.1 generalAOP(Aspect Orient Programming). Aspect oriented programming is to consider the program running process from a dynamic point of viewThe bottom layer of AOP is realized by dynamic agent mode. ...

BIO, NIO and AIO are not suitable for students with poor foundation. They need to be proficient in Java OOP programming, have certain programming thinking, be familiar with Java multithreading programming, Java IO stream programming, Java network programming, and be familiar with common Java design patterns Most of the people in BIO have b ...

We often see such a thing on the smart car. This thing is an ultrasonic ranging module with four pins: VCC, trig, echo and GND. VCC: connected to VCC power supply, generally 5V, but now there are also 3.3V power supplies on the market Trig: input a 10us high level to this pin to trigger ranging. Echo: at the end of ranging, this pin will out ...

Pointer Initializing pointer variables A pointer is a variable whose value is a memory address. Just as the value of a char type variable is a character, the value of an int type variable is an integer, and the value of a pointer variable is an address. To create a pointer variable, first declare the type of the pointer variable. int *pi; / ...

Reflection mechanism +JVM explains creating objects at runtime (classLoader) Overview of java reflection mechanism Dynamic language------------------------------------------------------------------------- ◆ it is a kind of language that can change its structure at run time: for example, new functions, objects and even code can be intr ...