Recent Posts
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10 required books for Java Architects
Java architects must read books to share with you 1. Practice of large website system and Java Middleware This book fo…… -
IOS development for IOS 10 and xcode8
IOS development: adapt to ios10 and xcode8 Now on Apple's official website, we can download the GM version of xcode8. …… -
JSP uses custom tags to prevent repeated submission of forms
This example describes the method of JSP using custom tags to prevent repeated submission of forms. Share with you for…… -
Detailed explanation of Java garbage collection finalize() function
Finalize method use case The finalize () method is defined in the object class, so all classes inherit it. Subclasses …… -
Java time and date processing class instance
This example describes the java time and date processing class, which is mainly used to traverse each day between two …… -
JSP program using JDBC to connect mysql tutorial
Installing and loading JDBC drivers Download the jdbc driver mysql-connector-java-5.1 7.zip http://www.jb51.net/softs/…… -
Javaee7 + WebSockets + glassfish4 create a chat room
A single two-way connection is established between the client and the server, which means that the client only needs t…… -
Discussion on the production of Java verification code (Part 2)
Then, the production of Java verification code (Part I) introduces you to the relevant knowledge of Java verification …… -
Java language overview of Java Basics
Java language is a high-level programming language launched by sun (Stanford University network, Stanford University n…… -
Three implementation example codes of Java high concurrency lock
Beginner skill - optimistic lock Optimistic lock is suitable for such a scenario: reading will not conflict, writing w…… -
Usage analysis of reflection based on Java review
Reflection can help us view the information in the specified type, create an instance of the type, and call the method…… -
Inheritance of Java internal classes (all)
Let's share the inheritance of Java internal classes through the example code. The details are as follows: The constru…… -
Several methods of memory allocation in Java
1、 Upper limit of array allocation In Java, the size of array is limited because it uses int type as array subscript.…… -
Summary of Java Web servlet development (I)
1、 Introduction to Servlet Servlet is a technology provided by Sun company for developing dynamic web resources. Sun …… -
Deep understanding of java socket communication
sketch In Java, sockets are divided into ordinary sockets and niosockets. Here we introduce sockets. We can compare so…… -
Summary of random number generation methods in Java programming
This chapter first explains several ways of generating java random numbers, and then demonstrates them through example…… -
Method of file upload and download based on Java Web
File upload overview To realize the file upload function in web development, the following two steps need to be comple…… -
Java socket programming example based on TCP protocol
This paper describes the socket programming method of Java based on TCP protocol, which is shared for your reference. …… -
Java implementation of traversing map
This paper describes the method of traversing map in Java. Share with you for your reference. The details are as follo…… -
Three solutions to read blocking in java socket long connection
There are three solutions: 1. The length of data to be sent is agreed. For example, keepalive of HTTP must rely on thi…… -
Java socket programming example based on TCP protocol
This paper describes the socket programming method of Java based on TCP protocol, which is shared for your reference. …… -
HelloWorld program example for getting started with JSP
This example describes the HelloWorld program for getting started with JSP. Share with you for your reference, as foll…… -
Cause analysis of Java program memory overflow
This paper analyzes the causes of Java program memory overflow in detail. Share with you for your reference. The detai…… -
How to get a class by reflection in Java
Reflection means that you can get all the information of a class, mainly including methods and attributes. 1. Obtainin…… -
Using spring framework to return date in JSON format in Java Web program
Format date when returning JSON step 1: create customobjectmapper class Step 2: configure as follows: The effect is as…… -
Deeply analyze the memory semantic implementation and application scenarios of volatile in Java
Implementation of volatile memory semantics Next, let's take a look at how JMM implements the memory semantics of vola…… -
Understand memory leaks in Java and examples of Solutions
This paper introduces the principle of JAVA memory management and the causes of memory leakage in detail, and provides…… -
Java displays the current system time
Write applet applet to receive parameters in HTML document and display the current system time in different colors and…… -
In depth understanding of JavaBeans and beans in Java
In depth understanding of JavaBeans and beans in Java JavaBean is a special class in Java, which can encapsulate multi…… -
Example analysis of file upload and download function implemented by struts 2 in Java
This paper describes the implementation method of file upload and download function in struts 2 in Java. Share with yo…… -
On whether to create parent class object in Java inheritance
one It is true to call the parent class constructor, but the parent class object is not created at all. It is just to …… -