包含标签：Java 的文章
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Java method for counting the number of occurrences of a specified element in a string
This article explains the method of counting the number of occurrences of a string in the text or the number of occurr…… -
Sort out the basic descriptors and operators commonly used in Java programming
Descriptors are keywords you add to those definitions to change their meaning. The Java language has many descriptors,…… -
Java’s own messagedigest implements the MD5 encryption algorithm for text
In this article, the MD5 encryption algorithm for text is implemented by using the messagedigest provided by Java. The…… -
Summary of spring bean method in Java
Spring is a lightweight inversion of control (IOC) and aspect oriented (AOP) container framework. How to obtain spring…… -
Java operation ant compresses and decompresses files and packages anroid applications in batches
Zip / tar compression and decompression Java actually supports zip and other compression formats, but why do you use a…… -
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 …… -
Java – execute the jar command to exclude files
I followed the Java archive tool, but I couldn't find how to exclude folders For example, I have files in the working …… -
java – Weblogic 10.3. 1.0 is using COM bea. core. apache. commons. net_ 1.0. 0.0_ 1-4-1. Jar… I want to use commons-net-2.0 Jar from my code
Weblogic 10.3. 1.0 is using COM bea. core. apache. commons. net_ 1.0. 0.0_ 1-4-1. Jar... I want to use commons-net-2.0…… -
Java – where and how are exceptions used?
I'm reading about exception handling in Java so that I can write better code OK, I admit I'm guilty. I used too many t…… -
Java – clean up jetty – delete ‘unnecessary things’
I'm used to using jetty as my web container What I did in the installation step was to get the original tar ball and c…… -
Java – using requestbuilder to process attachments in GWT
I am sending an HTTP post request from GWT client to HTTP servlet The servlet is creating a PDF file from the request …… -
Why does Java 8 apply different annotations to derived classes?
If I have the following two classes: // Base.java public abstract class Base<T> { abstract void method(T t); }…… -
Java – spring data rest adds inheritance issues
I have a spring database on a JPA entity The entity is subclassed through connection inheritance At least automaticall…… -
Java – HTTP get: Download header files only? (not supported by head)
In my code, I use some HTTP get requests to download some files as streams I use the following code: public String get…… -
How to convert months into months in Java
My new Java and I want to convert for months to years For example, if I have 18 months and divide it into 12, I will h…… -
Java – how to reload properties using spring?
I am using the properties file of spring 3 I want to have a possibility to update some properties in the file and expo…… -
Java – exception handling mode
See a common pattern where the error code associated with the exception is stored as a static final int When an except……