包含标签：Java 的文章
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An example analysis of Chinese regular matching method in Java
This paper describes the method of Java regular matching Chinese. Share with you for your reference, as follows: 1. Ma…… -
Java using POI to operate Excel files
1、 Definition of poi There are two mainstream toolkits for operating excel in Java: JXL and poi. JXL can only operate…… -
Java regular expression determines whether the string contains Chinese examples
preface In daily development and programming, we sometimes get some input information from users. For specific applica…… -
A simple example of intercepting and dividing string in Java
At present, there are three forms: It can be selected and used according to actual needs Operation results: The above …… -
Example of a method for Java to get numbers in a string through regular expressions
preface This article uses a small example to learn how to obtain numbers in a string through regular expressions in Ja…… -
On the loss of digital accuracy in Java object to JSON
phenomenon Large numbers in Java, such as 18 / 19 bit integers (long), are converted into JSON. After they are output …… -
Detailed explanation of JDBC connection database in Java
1、 Concept 1. In order to enable the program to operate the database and operate the tables in the database, each dat…… -
Detailed explanation of Hibernate naming strategy
The naming strategy of Hibernate can reduce the maintenance of database identifier naming and further reduce the amoun…… -
Java implementation of random output 300 questions four operations
If you don't have much to say, please see the code: The above is the whole content of this article. I hope the content…… -
JDBC detailed explanation of Java transaction management learning
What is a Java transaction The general idea is that transactions are only related to databases. Transactions must comp…… -
Differences in Java Tostring(), (string), valueof() method
In the actual development and application of Java projects, the basic function of converting objects into strings is o…… -
Java decomposes a positive integer into prime factors
Program analysis: to decompose the prime factor of N, first find a minimum prime number k, and then complete it accord…… -
Summary of knowledge points of HashMap in JDK7
Several important variables in HashMap The default initial capacity must be the nth power of 2 The maximum capacity is…… -
Common exception classes in Java
1. java. lang.nullpointerexception We must often encounter this exception. The explanation of the exception is that "t…… -
Detailed explanation of Java data structure (linear table)
Chain storage and implementation of linear list Another way to realize the linear table is chain storage, that is, tho…… -
Java socket file transfer example code
Recently, I became addicted to learning socket, so I wrote a simple file transfer program. Client design idea: the cli…… -
Analysis of several cases of thread death in Java
The java thread conference ends in the following three ways, and is in a dead state after it ends 1. The execution of …… -
Java uses the nesting of conditional operators to complete the division of academic achievement
Title: use the nesting of conditional operators to complete this question: students with academic achievement > = 9…… -
Analysis of spring configuration file
Overview of spring configuration files brief introduction The spring configuration file is a "drawing" used to guide t…… -
Example of generating excel report file with Java
This simple operation will export data from the database, generate excel report and import Excel data into the databas…… -
Spring integrates the simple configuration method of quartz
However, it is rarely used directly in practical work. Spring quartz components are usually used, which can be automat…… -
Java image and byte array mutual conversion instance
Examples are as follows: File parsing: Fileimageoutputstream changed to fileoutputstream fileimageinputstream changed …… -
Explain the simple packaging and use of MySQL in detail
Source address https://github.com/YouXianMing/MySQL-Example Make sure your MySQL is running One of the database files …… -
Removing HTML tags from regular expressions in Java
The regular expression in Java removes the HTML tag, which is mainly used to display the content more accurately. For …… -
Detailed explanation of classreader, classvisitor and classwriter for ASM source code learning
ASM ASM is Java is a popular class library for reading script code, which is used to analyze and convert code based …… -
Comparison of several common thread pools in Java
1. Why use thread pool Many server applications, such as web servers, database servers, file servers, or mail servers,…… -
Java JSON does not generate null or empty string attributes (detailed explanation)
We usually use Java objects to convert JSON strings. Null or empty string attributes do not need to be generated into …… -
Detailed explanation of finding duplicate data instances in Java list
Detailed explanation of finding duplicate data instances in Java list Requirements: Find all duplicate data in a list …… -
Summary of several methods of reading file (binary, character) content in Java
There are many methods to read the file content in Java, such as reading the file content by byte, reading the file co…… -
Java JSON does not generate null or empty string attributes (detailed explanation)
We usually use Java objects to convert JSON strings. Null or empty string attributes do not need to be generated into …… -
Java wechat red envelope implementation algorithm
With the increasing popularity of WeChat, more and more people are studying WeChat. This time ago, our company made me…… -
Java counts English letters, spaces, numbers and other characters of input characters
Title: input a line of characters and count the number of English letters, spaces, numbers and other characters. Progr……