An article, let you thoroughly understand the single case design pattern
Today, under the leadership of a group of little brothers, Yuanyuan finally learned all the single case modes. Thank you very much, big brother and little brother, The following is my summary Eight implementations of singleton mode , as follows: Introduction to singleton mode We call the patterUTF-8...
Posted by afern03 on Thu, 12 May 2022 23:20:53 +0530
The interviewer asked: why do Java serialization and deserialization implement the Serializable interface
Recently, the company is doing service-oriented. It needs to implement the Serializable interface for all classes in the model package, and display the value of the specified serialVersionUID at the same time When I heard this demand, several questions suddenly appeared in my mind, such as: WhaUTF-8...
Posted by Amtran on Thu, 12 May 2022 23:31:37 +0530
Common data types in C language
Variables and Constants Data type role: tell the compiler how much space our variable occupies in memory. Constant: A quantity that cannot be changed while the program is running. Integer constant: 1Character constant: 'a'String constant: "hello"Floating point constant: 1.22 Variable: The amounUTF-8...
Posted by ivi on Fri, 13 May 2022 00:14:09 +0530
Back test question day02 -- single case mode
Single instance mode (Binary Search) Singleton mode definition The singleton pattern ensures that a class has only one instance, and instantiates itself and provides this instance to the whole system. In computer system, the driver objects of thread pool, cache, log object, dialog box, printerUTF-8...
Posted by daddymac on Fri, 13 May 2022 00:20:29 +0530
Detailed explanation of Java static proxy and dynamic proxy (proxy mode)
1. Agent mode Agent pattern is a kind of design pattern which is easy to understand. In short, we use proxy objects to replace the access to real objects, so that we can provide additional function operations and expand the functions of the target object without modifying the original target obUTF-8...
Posted by sandrob57 on Fri, 13 May 2022 00:25:08 +0530
Proxy mode of JAVA programming mode
proxy pattern Instead of directly accessing an object, the proxy class provides access to an object. Equivalent to an intermediary. Static proxy The proxy class and delegate class are written dead before running, which is a static proxy. A static agent requires one of the following steps: AbstrUTF-8...
Posted by sijis on Fri, 13 May 2022 00:38:24 +0530
"C#" Newtonsoft.Json serialization (SerializeObject()) method that only outputs the property field of the parent class
Simply put, the thing is this, I need to convert some data into an object of a class (such as ClassA), but different data have different characteristics and different conversion methods, so I inherited this class and wrote many different subclasses A class that parses data differently in subclaUTF-8...
Posted by xcandiottix on Fri, 13 May 2022 00:54:00 +0530
From 7 minutes to 10 seconds, Mybatis batch processing is too strong
This article will take you step by step to uncover the mystery of batch processing from the perspective of a novice. It may be of great help to students who write Mybatis batch processing for the first time. I suggest collecting some praise~ There are many ways to process batch processing. The UTF-8...
Posted by hamzatki on Fri, 13 May 2022 01:53:47 +0530
JavaSE - Chapter 16 reflection
Chapter 16 reflection Teaching objectives Understand the loading process of classes Understand the class initialization process Understanding class loaders Master four ways to obtain Class objects Be able to use reflection to obtain type details Be able to use reflection to create objects dynamUTF-8...
Posted by cloudbase on Fri, 13 May 2022 02:39:38 +0530
QML advanced implements complex custom styles through style agents
catalogue Button style proxy Text edit box style proxy CheckBox style proxy Style sheets for scroll bars and progress bars Style proxy for TabView ComboBox custom style In QWidget project, we can control the style of controls through QSS style sheet. In QML project, there is a similar function UTF-8...
Posted by ultranet on Fri, 13 May 2022 02:48:06 +0530