Java
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Java implementation of string permutation and combination
This paper introduces the string arrangement and combination in Java for your reference. The specific contents are as …… -
Judgment of Java interview question parsing and prevention of SQL injection
This paper mainly studies a common question in Java interview questions, the problem of judging and preventing SQL inj…… -
Example of integrated development of spring boot, spark and Cassandra systems
This article demonstrates an example of using spark as the analysis engine, Cassandra as the data store, and spring bo…… -
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 PDF layer adding method supports multi page layer adding
Java PDF adds layers, and supports the addition of multi page layers, as shown below code: Test: result: Original PDF:…… -
Property binding of spring boot Tomcat JDBC pool
Let's take a look at the attribute binding code of spring boot Tomcat JDBC pool. The specific code is as follows: Usin…… -
JAVA Chinese character to Pinyin tool class sharing
This example shares the specific code of JAVA Chinese character to Pinyin tool class for your reference. The specific …… -
Wechat applet calls wechat login to obtain openid and Java as server examples
1、 Wechat applet step 1: call Wx Login to get the code document address step 2: judge whether the user is authorized …… -
Java swing component custom RadioButton example
This article describes the example of customizing RadioButtons with Java Swing components. Share with you for your ref…… -
Maven downloads jar packages and uses Alibaba cloud Maven library instead
This article introduces how Maven downloads jar packages and uses Alibaba cloud Maven library. The details are as foll…… -
Example of socket chat room based on TCP protocol implemented by Java programming
This paper describes the implementation of socket chat room based on TCP protocol by Java programming. Share with you …… -
Example of using card layout manager for Java programming [based on swing component]
This article describes the use of card layout manager in Java programming. Share with you for your reference, as follo…… -
Complete code example of filter usage in Java
This paper mainly studies the relevant usage of filter filter in Java. The specific implementation code is as follows.…… -
Example of how mybatis3 uses log4j to output SQL on the console
Why output SQL on the console? Of course, it is convenient for development and debugging. If a database related operat…… -
Preliminary practical course of Java background interface development
The above figure shows the interface for querying the list, in get mode The above figure shows the interface for user …… -
Spring boot quick start tutorial
brief introduction When you first came into contact with and learned about the spring framework, did you retreat becau…… -
Solution to the problem of twice executing spring scheduled tasks and slow deployment of Tomcat
1、 The spring scheduled task executes @ h twice_ 502_ 3@