包含标签：Java 的文章
-
File operation vulnerability of Java audit
File operation vulnerability of Java audit 0x00 Preface This article intends to describe some file operation vulnerabi…… -
Database connection pool for java learning
Database connection pool for java learning 0x00 Preface The JDBC used earlier needs to re-establish objects every time…… -
Filter and listener in java learning
Filter and listener in java learning 0x00 Preface In some login points or function points that can only be used after …… -
Common collections1 analysis of Java Security (2)
Common collections1 analysis of Java Security (2) 0x00 Preface Continue the previous article and continue to debug the…… -
Java audit SSRF
Java audit SSRF 0x00 Preface This article will record the audit learning related content of Java SSRF. 0x01 SSRF vulne…… -
Collection of java learning
Collection of java learning 0x00 Preface In fact, the common classes in the previous article have already talked about…… -
Response of java learning
Response of java learning 0x00 Preface Continuing from the previous article, this chapter updates the response. 0x01 R…… -
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…… -
How to find your favorite girlfriend with java8 stream API
The traditional Java collection operation is a little verbose. When we need to filter and sort the combined elements, …… -
Java generics, understanding these is enough.
Contents of this document: 1、 What are Java generics? 2、 Common generic writing examples Generic class definition: D…… -
Use and comparison of countdownlatch and cyclicbarrier in Java
Countdownlatch and cyclicbarrier are both Java 1 5 began to introduce a tool used in multithreaded programming. They h…… -
Cookie instance, understanding cookies
1、 Understand what cookies are in one sentence Cookies are small documents sent by the server to the client to record…… -
ThreadLocal detailed explanation, ThreadLocal source code analysis, ThreadLocal diagram
This article is about: Concept explanation ----- principle illustration ----- source code analysis ----- thought arran…… -
Java generates compressed packages, and zipoutputstream is used
Case: obtain network resources a, B and C according to the URL, and put resources a and C together to generate a XXX z…… -
Introduction principle and practice of spring security
In web application development, security is undoubtedly very important. Choosing spring security to protect web applic…… -
Factorization using tail recursion
Usually, when calculating the factorial of a number, we will use the recursive algorithm. The recursive book program c…… -
Using scheduled tasks in spring projects
When we want to execute some business methods at a certain point in time, we use timed tasks. It is very simple to use…… -
BF algorithm
BF algorithm, short for brute force algorithm. Used to detect whether a string is a substring of another string. Conce……