Java
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Reflection of java learning
Reflection of java learning 0x00 Preface Today, let's briefly record some things about reflection and annotation. Refl…… -
Inheritance and abstraction of java learning
Inheritance and abstraction of java learning 0x00 Preface The three characteristics of object-oriented are encapsulati…… -
Common collections3 analysis of Java Security
Common collections3 analysis of Java Security Article launch: common collections3 analysis of Java Security 0x00 Prefa…… -
Introduction to spring framework for java learning
Introduction to spring framework for java learning 0x00 Preface Recently, I have been studying the three frameworks of…… -
Common collections1 analysis pre knowledge of Java Security
Common collections1 analysis pre knowledge of Java Security 0x00 Preface The utilization chain of common collections, …… -
SQL injection of Java audit
SQL injection of Java audit 0x00 Preface As an introduction to Java Web audit, this article is also my first audit art…… -
Common collections1 analysis of Java Security (3)
Common collections1 analysis of Java Security (3) 0x00 Preface Continue to analyze CC chain, using the previous articl…… -
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HTTP 403, Tomcat configures HTTPS, unable to access, return status code HTTP 403
In order to access the application started by the local machine (Windows system) in the form of HTTPS, after generatin…… -
Loading of Java classes
Keyworked Java class loading, class loading mechanism, classloader, parent delegation model, parent delegation model W…… -
Java uses zxing to generate QR code bar code
1、 Add the Maven dependency of zxing, or download the zxing jar package This example uses zxing3 Version 2.0 Maven de…… -
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 …… -
Probe into integer caused by an integer interview question
Interview questions: 1. It's mentioned in the title. It's jdk1 5 environment. OK, let's create a new project, create a…… -
Tomcat startup project reports an error Java lang.OutOfMemoryError: Java heap space
Recently, when deploying a web project using MyEclipse and starting tomcat, an error is reported: Solution: add config…… -
Integration of Tomcat and Apache server under Windows system
Note: This article is a successful real experiment in reading. The book mentioned the incompatibility of different ver…… -
How to find the implementation class of the mybatis mapper interface – source code analysis
Keywords: mybatis principle, source code, mybatis mapper interface implementation class, proxy mode, dynamic proxy, Ja……