Java
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Explain the basic implementation principle of Hibernate 4 in detail
Overall process 1: Read CFG through configuration XML file 2: Get sessionfactory factory 3: Create a session instance …… -
Several states based on java thread (detailed explanation)
Threads can have six states: 1. New (newly created) 2. Runnable (run) 3. Blocked 4. Waiting 5. Tim…… -
Summary of Java advanced interview questions
This is the first part of an advanced Java interview series. This part discusses the core issues of Java, such as vari…… -
Introduction to JSP custom tags
This article has shared the JSP custom tag introductory learning tutorial for you. I hope you like it. 1. JSP custom t…… -
Solutions to warning errors when using IOS push
When using IOS push, the following error occurs: Solution: select port -- > capabilities -- > background modes -…… -
Problems encountered in ios10 app adaptation permission push notifications font frame
Add configuration permissions Add push notifications support After the switch is turned on, XXXX will be generated aut…… -
Detailed explanation of kosaraju algorithm
What does kosaraju algorithm do? Kosaraju algorithm can calculate the strongly connected components of a directed grap…… -
Detailed examples of composite mechanism in Java
Detailed examples of composite mechanism in Java Inherited defects The defect of inheritance is caused by its too powe…… -
An example of using socket to realize chat room function in Java
Recently, I studied the basis of java socket communication, and realized a simple multiplayer chat room function with …… -
Several implementation methods of random number in Java
As we all know, random number is one of the most basic features of any programming language. The basic way to generate…… -
Explain the usage and examples of Java programming jdialog form in detail
Jdialog form is a dialog box in swing component, which inherits Java. Net from AWT component awt. Dialog class. The fu…… -
Implementation method of importing POI into Excel 2003 and Excel 2007 in Java
Implementation method of importing POI into Excel 2003 and Excel 2007 in Java Implementation code: be careful: JDK Ver…… -
Further understand the concept of polymorphism in Java
There are two kinds of polymorphism: 1) compile time polymorphism. For multiple methods with the same name, if it can …… -
Methods and steps for configuring spring ide plug-ins by eclipse
At first, the spring ide plug-in was installed online in eclipse. As a result, the installation failed several times. …… -
Learn more about the three states of Hibernate persistent objects
Objects in Hibernate have three states: transient objects, persistent objects, and offline objects. Figure 3.1 below s…… -
Java socket programming (I) socket transmission mode
Socket transport mode sockets have two main operation modes: connection oriented and connectionless Connection - orien…… -
Complete Guide to basic programming of socket communication in Java
What is a socket? Two programs on the network exchange data through a two-way communication connection. One end of thi…… -
Java traversal to read the content of XML file
This example explains the detailed code of Java traversing and reading the content of XML files, which is shared for y…… -
Java reflection mechanism example explanation
1. What is reflection? A class has multiple components, such as members, variables, methods, construction methods, etc…… -
Detailed explanation of Java inheritance examples in Java Tutorial
What are extensions? Inheritance: a newly defined class is a phenomenon of obtaining properties and methods from an ex…… -
Collection framework summary of Java review
As the saying goes: review the old and know the new. Think about the knowledge you have learned. Even if you have lear…… -
Detailed introduction to the usage of Java multithreading
Detailed introduction to the usage of Java multithreading The most comprehensive Java multithreading usage analysis. I…… -
Detailed example of Java static factory method
Detailed example of Java static factory method What is a static factory method For a class, the most common way to let…… -
Configuration details of log4j logs in SSM consolidation
I have searched many log configuration methods on the Internet. Of course, there are many results, but none of them is…… -
Summary of small knowledge points in Java
1、 Declared local variables are some features and rules of (1) declared local variables will not be initialized by de…… -
Usage Summary of common SQL tags for operating database in JSP
< SQL: setdatasource > tag set data source Syntax structure: -
Servlet file download steps and instructions
Servlet file download steps and instructions for your reference, the specific contents are as follows Reference articl…… -
Use of recyclerview HelloWorld
In other words, recyclerview has been on the market for a long time and is widely used in many applications. It also h…… -
Range instance code of integer value in Java
No more nonsense. I'll post the code directly to you. The specific code is as follows: What is the reason? 1。 Whe…… -
Understanding of Java encapsulation, inheritance and polymorphism
First, briefly describe the definition of its three characteristics: Encapsulation: hide the attributes and implementa…… -
Detailed explanation of object structure pattern of composite model in Java
Detailed explanation of object structure pattern of composite model in Java 1、 Intention Combine objects into a tree …… -
Explain in detail the relationship between properties, methods and objects in Java inheritance
As we all know, subclass inheritance and parent class are type inheritance, including properties and methods! If the m……