Java
-
2017 java development job interview questions worth collecting
The following is my own collection of interview questions for Java posts in 2017, which can be used to prepare for the…… -
Spring Security Oauth2. 0 implementation of SMS verification code login example
This article introduces spring security oauth2 0 realizes the login example of SMS verification code, which is shared …… -
Application code example of Java concurrency condition blocking condition
This paper mainly studies the application example code of Java concurrency condition blocking condition, as follows. C…… -
Explain in detail how to use spring security OAuth to implement OAuth 2.0 authorization
OAuth 2.0 is an industrial level authorization protocol. OAuth 2.0 is inherited from OAuth 1.0, which was created in 2…… -
Hibernate closed instance resolution about session
This paper mainly studies the closing of session in Hibernate, as follows. 1. What is the difference between getcurren…… -
How to install Jenkins on CentOS
Jenkins is an open source continuous integration tool written in Java. It can be installed directly on CentOS through …… -
Spring cloud client load balancing ribbon in-depth understanding
1、 Load balancing load balancing (load balance): Based on the existing network structure, it provides a cheap, effect…… -
Code explanation of traditional thread synchronous communication technology of Java concurrency
This paper mainly studies the code examples of Java Concurrent traditional thread synchronous communication technology…… -
Detailed explanation of spring transaction propagation and its implementation principle
This paper mainly studies the spring transaction propagation and its implementation principle. The details are as foll…… -
Resolve the “XML parser error on line 1: content not allowed in preface” error
When publishing a project with eclipse, if you edit the XML file in the project with the Notepad provided by windows a…… -
Cross domain, custom query and paging of spring boot (5)
Cross domain We have initially made a protected rest API, but we haven't covered a very important issue in the front-e…… -
Introduction and example analysis of spring transaction isolation level
This paper mainly studies the introduction and examples of spring transaction isolation level, as follows. When two tr…… -
Code examples of two ways to obtain session in Hibernate
Session: it is a session between an application and a database. It is the center of Hibernate operation and the basis …… -
2018 Java technology interview questions sorting
1. Servlet execution process The client sends an HTTP request, and the web server forwards the request to the servlet …… -
JDK installation and configuration tutorial in Linux
JDK can be downloaded on the official website or from a file server. 1. Create a Java folder in the usr Directory: 2. …… -
Hibernate implements the analysis of adding, deleting, modifying and querying operation examples through session
Today, I learned how to add, delete, modify and query the database through hibernate. Here is a brief introduction: Fi…… -
Detailed explanation of Java ArrayList capacity expansion examples
This paper mainly studies the relevant contents of the detailed explanation of the example of Java ArrayList expansion…… -
Java servlet uploads the picture to the specified folder and displays the picture
In the process of learning servlet, a demo is made for image upload. The functions are: upload the image on page a, cl…… -
Quickly learn about session in Hibernate
Session in Hibernate is a level-1 cache, which can be understood as a process level (thread bar) cache. It always exis…… -
Solutions to errors in double quotation marks in JSON parsing
Sometimes when parsing JSON, you will encounter double quotation marks with English inside, resulting in parsing error…… -
Example of using swagger2 in spring boot project
This article introduces an example of using swagger2 in the spring boot project and shares it with you as follows: Add…… -
Java code implementation of picture overlay effect
This example shares the specific code of Java to realize the display of picture superposition effect for your referenc…… -
Spring boot + mybatis + Vue. JS + elementui implementation of data addition, deletion, modification and query example code (II)
In the last article, I introduced spring boot + mybatis + Vue JS + elementui implements data addition, deletion, modif…… -
Examples of using java multithreaded return values (callable and futuretask)
The callable interface is similar to runnable, which can be seen from its name, but runnable does not return results a…… -
Detailed explanation of spring boot integration mybatis (annotation method)
Mybatis is an excellent persistence layer framework that supports customized SQL, stored procedures and advanced mappi…… -
Comparison of runnable, callable, future and futuretask in Java
Comparison of runnable, callable, future and futuretask in Java There are several thread related classes or interfaces…… -
Java implementation uses FreeMarker to perfectly export word documents (with pictures)
preface Recently, in the project, due to the customer's requirements, the page content (such as contract agreement) wa…… -
It perfectly solves the problem that ports such as 8080 are occupied when deploying Tomcat on eclipse
Problem Description: When deploying Tomcat in eclipse, the following error occurs. The solution is as follows: Method …… -
Java reads the picture from the network and saves it to the local instance
This example shares the specific code that Java reads pictures from the network and saves them locally for your refere…… -
Detailed explanation of communication examples between threads in Java multithreading
Communication between threads in Java multithreading 1、 Use the while mode to realize the communication between threa…… -
Java implementation of fuzzy matching files under a folder and delete function example
This example describes the function of fuzzy matching and deleting files in a folder implemented in Java. Share with y…… -
Sample code for integrating fastdfs using spring boot
In this article, we introduce how to use spring boot to upload files to the distributed file system fastdfs. This proj……