C + + -- classes and objects

Class declaration Class is the keyword that defines the class, ClassName is the class name, and {} is the body of the class. Note that the semicolon is followed at the end of class definition. class ClassName{ //The body of a class is composed of member functions and member variables }; Class members include: Member variableMember f ...

Added by supinum on Sun, 06 Feb 2022 23:16:46 +0200

c + + operator overloading ------------- 1 plus operator overloading

1 plus operator overload: 1.1 / / member function implementation + operator overload Implementation statement: Person operator+( Person& p)//Pass in a new parameter and add it to the previous one. {//There is no calling relationship. Implicit relationship. Person temp; temp.m_A = this->m_A + p.m_A; temp.m_B = this->m_B + p.m_B; ...

Added by s3rg1o on Sun, 06 Feb 2022 22:41:51 +0200

Interpretation of Spring boot startup source code

catalogue preface Preparation before chasing source code text Explanation of notes Start process source code analysis Rough model diagram of Spring boot startup summary Course recommendation (free) preface In the last post, I introduced my friends to Spring boot and built a hello world project with Spring boot. I also raised the qu ...

Added by sfarid on Sun, 06 Feb 2022 21:06:34 +0200

Java library management system

Java library management system ⚑ Preface ⚑ ️ After reading this column, you can summarize the knowledge you have learned from the main application of Java, and hope to deepen your knowledge after reading this column. πŸ‰ Blog home page: 🍁 [warm the sun like the wind]🍁 πŸ‰ Boutique Java column [Javase],[Java data structure] πŸ‰ Welcome to ...

Added by 25lez25 on Sun, 06 Feb 2022 21:02:24 +0200

java learning notes fourth week

catalogue 1, Common class 1. Packaging 1.1 initial knowledge of packaging 1.2 purpose of packaging 1.3 use of packaging 1.4 automatic packing and unpacking 1.5 caching of packaging 2. String related classes 2.1 source code analysis of string class 2.2 StringBuffer and StringBuilder 2.3 common methods of StringBuilder (key points) 3. ...

Added by ppowell on Sun, 06 Feb 2022 19:42:40 +0200

[C + +] object oriented polymorphism

6.1 overview When a command is issued, different objects make different actions after receiving the same command. Strictly speaking: the same object receives different messages, or different objects produce different actions when they receive the same message. 6.2 virtual function machine implementation principle 6.2.1 static polymorphi ...

Added by Joseph Sliker on Sun, 06 Feb 2022 11:02:17 +0200

java based object-oriented, encapsulation overview

Freshman rookie is learning java by himself. If there are mistakes in the article, welcome to exchange and correct them and make common progress! 🐡🐡🐡 I Object oriented overview Object oriented: a programming idea used in programmingObject oriented features: encapsulation, inheritance, polymorphismObject: everything is an object. I ...

Added by bios on Sun, 06 Feb 2022 10:47:31 +0200

[SSM oriented CRUD programming column 9] SSM framework integration

πŸ›« For more ssm knowledge, see SSM_ CRUD oriented programming column πŸš• This blog summarizes from the ssm framework video of dark horse programmer πŸš’ Bloggers are still learning this knowledge πŸš„ If you find any problems, please point them out πŸš€πŸš€Zhawatai zaogao's blog home pageπŸš€πŸš€ catalogue πŸ”’ case analysis πŸ”‘ Frame struct ...

Added by tecmeister on Sun, 06 Feb 2022 10:28:40 +0200

[JAVA exception handling | try catch, throw, throws]

abnormal General exception code: public class Exception01 { public static void main(String[] args) { int n1 = 10; int n2 = 0; // n1 / n2 => 10 / 0 int res = n1/n2; System.out.println("The program continues to run"); } } Exception capture (try catch) is set: public class Exception01 { p ...

Added by Spaceman-Spiff on Sun, 06 Feb 2022 08:27:21 +0200

Java multithreading -- blocking queue -- use / tutorial / example

Original website: brief introduction explain This article introduces the usage of blocking queue in Java with examples. Queue type There are several types of BlockingQueue: ArrayBlockingQueue, LinkedBlockingQueue, synchroousqueue, PriorityBlockingQueue, DelayedWorkQueue. Queue typeexplainArrayBlockingQueue FIFO queue based on array; Bound ...

Added by sone_br on Sun, 06 Feb 2022 04:25:09 +0200