Java
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Three implementations of Java proxy
The Java proxy mode can be implemented in the following ways: 1. Static proxy. 2. JDK dynamic agent. 3. C…… -
Mybatis source code Learning Series
preface A long time ago, we learned Java from a console of Hello world At the beginning, we entered the object-oriente…… -
The Linux system reports an error when the virtual machine starts. This host supports Intel VT-x, but Intel VT-x is disabled
An error is reported when using the virtual machine to start Linux, as follows: The virtual machine is configured to u…… -
Java program questions
Excerpt from: http://www.cnblogs.com/forlina/archive/2011/08/03/2126292.html 1. Complete quick sorting and bubble …… -
Jedis, spring redis data integrated use, version exceptions and solutions.
Recently, there have been some problems in integrating and using redis spring redis spring：3.2. 4.RELEASE jedis: jedi…… -
The of Java 8 — simple and elegant lambda expressions to explore Java 9 module system and reaction flow
After the release of Java 8, words such as lambda expression, stream and so on slowly appeared in our words. For examp…… -
Error Java lang.ClassCastException: com. xx cannot be cast to ResourceBundle
An error occurred: java.lang.ClassCastException: com.xxx cannot be cast to ResourceBundl…… -
The difference between “= =” and equals methods
When writing code, you often use "= =" and equsls. You rarely think about the difference between them. Now let's summa…… -
Explore Java 9 module systems and reaction flows
New features of Java 9, Java modularization, Java reaction flow, reactive, jigsaw Modular system The Java platform mod…… -
Introduction to Axis2 WebService — development environment construction and concept understanding
On the concept of web service, there are various explanations on the Internet, but it is not easy to understand. It ca…… -
A Java recursive program
First of all, I searched some interview questions to do, including one: enter an integer and find the sum of each numb…… -
What does the equals method compare in Java?
We know that whenever we create a new class, if the parent class is not specified, it inherits the object class by def…… -
Two ways of configuring virtual hosts in Tomcat
1. Virtual host configuration based on host name Suppose there is hello. Com in the root folder under Tomcat and wenba…… -
Hibernate operation: could not get next sequence value;
Error message: [2017-09-28 18:51:38,854]-[org.hibernate.util.JDBCExceptionReporter:101] ERROR - Numeric Overflow org.s…… -
java. lang.IllegalAccessError: tried to access field org. slf4j. impl. StaticLoggerBinder. SINGLETON from class org. slf4j. LoggerFactory
Error record: Java lang.IllegalAccessError: tried to access field org. slf4j. impl. StaticLoggerBinder. SINGLETON from…… -
#PriorityQueue of Java queue series
In the previous article, I used a diagram to sort out the relationship between various queues in Java. Here is the Pri…… -
How to make the JDK version switch as smooth as silk
I use Java 8 at work, but I have two versions of JDK installed on my personal computer: openjdk8 and openjdk11. There …… -
13000 word HashMap interview must ask for detailed explanation of knowledge points
an introduction to Inheritance of hasmap Principle of HashMap Ways to resolve hash conflicts Open addressing This met…… -
Detailed explanation of hashtable in Java
an introduction to Hashtable is a legacy class. The common functions of many mappings are similar to HashMap. The diff…… -
Java de encryption (AES / CBC) exception on Linux: Java Lang. SecurityException: JCE cannot authenticate the provider BC method
When using MapReduce for data cleaning, you need to decrypt the data. The encryption method is AES / CBC / pkcs7paddin…… -
Java web learning notes (6) JSP
Chapter 6. JSP 1. What is JSP 2. JSP essence 1. JSP is essentially a servlet program 3. Three syntax of JSP 3.1. Page …… -
JavaWeb learning notes (IV) jquery
1、 Introduction to jquery 2、 Preparations before using jquery 3、 Core function $() 4、 Differences between jQuery o…… -
Mac OS fast switching JDK version
Recommended management method: be careful! You can view the current version through Java - version on the command line…… -
JavaWeb learning notes (III) JavaScript
1. Introduction to JavaScript 1、 What is JavaScript 2、 JavaScript features 3、 The difference between Java and JavaS…… -
Front end Foundation (1), HTML
1. Foreword 1.1 software architecture 1.2 the page consists of three parts 2. Introduction to HTML 3. Create HTML file…… -
It turns out that hot loading is so simple. Write a Java hot loading manually
1. What is hot loading Hot loading means that the changed code can take effect without restarting the service. Hot loa…… -
[source code analysis] how are ArrayList and LinkedList implemented? I think you still have a chance!
preface Seriously, among the collection classes most used in Java, list definitely occupies a place. Like map, it is a…… -
Do you understand distributed transactions? What is your data consistency solution across multiple services?
preface Look at the title. This is another question asked in the interview. In fact, this question was asked several t…… -
On the similarities and differences between interface and abstract class in Java
On the similarities and differences between interface and abstract class in Java Abstract classes and interfaces have …… -
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Simple introduction to filter
The article was first published in: https://blog.csdn.net/Sky_QiaoBa_Sum/article/details/105042151 Filter filter The f…… -
Xiaobai learns Java: RandomAccessFile
Previous portal: Xiaobai learns Java: I / O flow Xiaobai learns Java: RandomAccessFile All the streams we learned befo……