包含标签：Java 的文章
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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 servlet combined with MySQL to build java web development environment
The database used to learn servlet this time is mysql, and I'm ready to learn JavaWeb, so the article on JavaWeb will …… -
Two methods of constructing and parsing JSON data using Java (detailed explanation 2)
JSON (JavaScript object notation) is a lightweight data exchange format. It adopts a text format completely independen…… -
Explain in detail the use of cache and native SQL statements in the Hibernate framework of Java
Hibernate cache is all about application performance optimization and it is located in the application and @ R_ 419_ 2…… -
Four ways of exporting excel with Java finereport report report tool
In practical applications, it is often necessary to export data into excel. In addition to exporting as is, there are …… -
Explain the object-oriented programming idea of Java in an all-round way
What is object oriented? Object object oriented programming Object oriented is programming with objects, which is abbr…… -
Three ways to upload files asynchronously in Java
This article shares three Java asynchronous file upload methods for your reference. The specific contents are as follo…… -
Method for setting savepoint of transaction rollback in JDBC usage of Java
New JDBC 3 The interface to the 0 savepoint provides additional transaction control. Most modern DBMS in their environ…… -
Extensible spring custom configuration schema (2)
Namespace support To implement namespace support, you need to inherit from namespacehandlersupport. Add configuration …… -
Notes on learning the basic concepts of object-oriented programming in Java
Personally, the so-called class in programming is the same concept as the class in the classification of objects in th…… -
Java implementation of string matching (based on regular)
There is a string. How to query whether there are y and f characters in it? The darkest way is: Program 1: I know if, …… -
Method of connecting database and creating program using JDBC API in Java programming
JDBC connection database The programming involved in establishing a JDBC connection is quite simple. Here are four sim…… -
Explain the commit and rollback of transactions in Java’s JDBC API in detail
If the JDBC connection is in auto commit mode and it is in default, each SQL statement is submitted to the database wh…… -
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…… -
Java’s own tool jstack intercepts the stack information in the process
In the process of using java software, strange problems sometimes appear inexplicably. These problems are often unable…… -
Conversion method between char array (character array) and string type in Java
This article describes the conversion method between char array (character array) and string type in Java. Share with …… -
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 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,…… -
How to prune out an integer array in Java?
My number is n. n will be the size of the array int numArray [] = new numArray[N]; However, the contents of the array …… -
Java – search for HashMap in the ArrayList of HashMap
I have an ArrayList of HashMap I want to search for HashMap in it, but I can't find a way to do this What do you sugge…… -
Java – common logging and log4j property files
I try to use log4j through commons logging if the log4j property file is not called log4 Properties, you will encounte…… -
Java – the application is not ice cream sandwich compatible
I have developed an Android application that cannot be downloaded from the market to Android ICs devices Use 4 When x …… -
Java – is there a preferred way to collect list streams into flat lists?
I wonder if there is a preferred way to flow from a list to a collection of elements that contain all the lists in the…… -
How does multithreading speed up applications (threads cannot run at the same time)?
I'm learning multithreading, but after reading some tutorials, I'm confused Intuitively, I would say that multithreadi…… -
Java EE – in JBoss 7.0 URL without jssessionid running in 1 does not work
For some security reasons, I think jsessionid in URL is prohibited from session tracking Before I put the web Before c…… -
Java – how to calculate the number of rows in jtextarea, including the number of rows caused by packaging?
I have a jtextarea. I have set word wrap and wrap style word to true I want to "wrap" the jtextarea to the minimum pos…… -
Array – what is the difference between a.length and a.heap-size?
I have a question about heap sorting It points out in the book "algorithm" that a.heap-size < = a.length Solution T…… -
Java – use the eclipse code formatter from your own program
Recently I wrote some tools to help me generate java code, otherwise it will be a long and tedious task I use freemake…… -
Java – what hashing techniques are used when building Bloom filters in clojure?
I want to build a bloom filter in clojure, but I don't know much about all the hash libraries that may be available in……