Java
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Java – digest authentication with Jersey client
I've written a rest web service with Jersey server (completely rock!) On the server side, I chose a digest authenticat…… -
Java – gson parsing dynamic JSON fields
I can't seem to figure that out I read several so posts (here and here) and my situation is a little different I'm not…… -
Java – fast double string conversion with given precision
I need to convert double to string with the given precision String. Format ("%. 3F", value) (or decimalformat) execute…… -
Java – NCSs type count violation
I am not quite clear about the violation proposed by PMD Basically, I have two questions: >What can I do to get rid…… -
Java – slf4j error: class loader has different types of class objects
Try to find out why I received the following error in the Tomcat log: Caused by: java.lang.LinkageError: loader constr…… -
Java – default type of HashMap for K and V
I usually type my map declaration, but I'm doing some maint and finding one without input It reminds me of (oh, no!) W…… -
Java – whether the EJB container resides in all application servers EJB container drill down
I'm new to EJB From all reading and searching from now on, I have learned the following: EJBs are beans that write and…… -
Good looking Java Swing look and feel?
I am developing an open source Java Web start application, and I want to give a consistent theme on the platform Metal…… -
Map API for Java Swing
I want to visualize geographic maps in the swing application I found only the swingx map API Do you know any other ope…… -
Java – spring annotation based controllers do not work in jar files
I have some annotation - based controllers in the sub - module These modules are deployed as jar files The annotation …… -
JavaFX application error: no resource specified
I'm new to JavaFX and I'm trying to run a simple application Its UI is created by JavaFX scene builder, and the main c…… -
Java – how to include jar dependencies in the AAR Library
Summary: I have an AAR file that depends on the jar file. When I build an AAR project, it does not contain jar code De…… -
Different results in Java and C are used in recursion=
The following very simple java code has strange output, but the same logic code in C and C has the correct output I tr…… -
What does Java use to determine whether keys in a map are duplicated?
My first instinct is that every key is an object and has a hash code, which is used to determine whether to insert a d…… -
Java – use joda datetime as the Jersey parameter?
I want to use joda's datetime query parameter in Jersey, but it's not out of the box in Jersey I assume that implement…… -
Java – JSP bean tag for attributes that may not exist
In JSP, I can use tags to reference bean properties Is there a way to deal with attributes that may not exist? I have …… -
Java uses gson to parse JSON data instances
JSON (JavaScript object notation) is a lightweight data exchange format, which is easy to read and write, and easy to …… -
Java exports all tables of the database to excel
This example shares the method of exporting all tables of a database to excel in Java for your reference. The specific…… -
The difference between serializable and Parcelable of intent transfer objects
Intent is widely used to transfer object data in different components. As we all know, there are two methods to transf…… -
Java implementation of two-way linked list (two versions)
Near the Spring Festival, all the projects are over and waiting to go home for the new year. The following is the rele…… -
Detailed explanation of file reading and writing examples of Java programming
This paper describes the method of file reading and writing in Java programming. Share with you for your reference, as…… -
Detailed explanation of interface and abstract class usage examples in Java
This article describes the usage of interfaces and abstract classes in Java. Share with you for your reference, as fol…… -
Java binary file transfer based on TCP
A complete example of file transmission based on java socket protocol is completed based on TCP communication. In addi…… -
Detailed explanation of caching technology in Hibernate Framework
This paper describes the caching technology in Hibernate framework. Share with you for your reference, as follows: The…… -
Explain the cache and secondary cache in the Hibernate framework of Java in detail
cache Today, let's talk about the entity state and Hibernate cache in hibernate. 1) First, let's take a look at entity…… -
Java implementation of merge sorting algorithm
Merge sort is to divide the unordered array into two arrays. The divided array has only half the number of elements of…… -
JSON complex data processing JSON tree structure data to Java objects and stored in the database
Cascade data display is often encountered in website development, such as the pop-up interface for selecting provinces…… -
Summary of java interface and abstract class usage examples
This article describes the usage of Java interfaces and abstract classes. Share with you for your reference, as follow…… -
Deeply analyze the distinction between mixed transactions and beans in Java’s spring framework
Mixed transactions are within the transaction of the transaction manager of the ORM framework. Using the jdbctemplate …… -
Tutorial on using Jackson to realize the mutual conversion between Java objects and JSON
1、 There is an objectmapper class in Jackson, which is very practical for the exchange of Java objects and JSON. 1. J…… -
Java Web dynamic export excel pop-up Download
Due to the project requirements, the data needs to be exported into excel table, and the export items can be selected …… -
Java development framework spring implements custom cache tags
Since spring 3 After 1, spring introduced Abstract caching, which can cache the data returned by the method by adding ……