Java
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Explain the multi environment configuration of spring boot configuration file in detail
I Benefits of multi environment configuration: 1. Different parameters can be configured for different environment con…… -
Java console output distance between two points
Calculate the distance between two points and output it on the console. This problem is still very simple. Let's take …… -
Java virtual machine loading and initializing a class class code parsing
In Java application development, only the class type loaded by Java virtual machine can be used in the program. As lon…… -
Java format time example
To format the date, you need to use a class: Java text. DateFormat Dateformat has no constructor that can be used dire…… -
Java wechat development API step 2: get and reply to messages
How to get and reply to messages through wechat development API is introduced below 1、 Description * this example is …… -
On the difference between Java serialization and Hessian serialization
In the remote call, the parameters and return values need to be transmitted through the network. This use requires ser…… -
Java traversal properties file operation guide
In the process of Java project development, it is essential to use the properties file as the configuration. Many such…… -
Java LRU algorithm introduction and usage examples
This paper describes the introduction and usage of Java LRU algorithm. Share with you for your reference, as follows: …… -
Usage Summary of some JSTL core tags in JSP
I JSTL introduction JSTL (JavaServer Pages Standard Tag Library) is the standard specified by JCP (Java community proc…… -
Java programming interface callback general usage code analysis
Interface callback means that the reference of the object created by the class using an interface can be assigned to t…… -
Example of circular queue implemented by Java array
Reviewed the next data structure, using java arrays to achieve circular queues. Class of queue Create objects and test…… -
Java class parser implementation method example
Recently, I was writing a private project called classanalyzer. The purpose of classanalyzer is to enable us to have a…… -
Detailed explanation of Java asynchronous processing mechanism examples
Usually, synchronization means that a processing process of a task will serialize multiple threads, while asynchrony m…… -
Application introduction of inheritance based on Java subclass
1. Definition of inheritance Some of the members of a subclass are declared and defined by the subclass itself, and th…… -
Comprehensive analysis of JTA depth Adventure
What is transaction processing Transaction is an indispensable component model in computer applications. It ensures th…… -
Java realizes wechat payment through jsapi
To use jsapi for wechat payment, you must first obtain a prepay from wechat_ ID, and then complete the payment by call…… -
Detailed example of Java Monte Carlo algorithm for approximate value of PI
origin [1946: John von Neumann,Stan Ulam,and Nick Metropolis,all at the Los Alamos Scientific Laboratory,cook up the M…… -
Java programming rabbitmq to realize message sending and receiving
Java implements ramqp, that is, advanced message queuing protocol. It is an open standard of application layer protoco…… -
Implementation of Java data structure and algorithm stack
This is the second chapter on Java data structures and algorithms. Starting from this chapter, we will learn about the…… -
The use of long data type in Java programming
In Java programming, we often encounter some problems with the use of integer types. Let's look at the use of long sha…… -
Java understands multithreading by selling tickets
Take ticket selling as an example to introduce multithreading and resource sharing. Let's take ticket selling as an ex…… -
An overview of the new features of spring 4
Spring 4.1 has released RC1 version, while GA version is expected to be released in mid September 2014; Some of the co…… -
Detailed explanation of Java Web implementation file upload and download examples
In the development of web applications, the file upload and download function is a very common function. Here is an ex…… -
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Web development enhancement of new features of spring 4
Starting with spring 4, spring is developed with servlet3 as the, If you use spring MVC to test the framework, you nee…… -
Maven’s elegant method of adding third-party jar packages
When using Maven to build a project, some jar packages cannot be downloaded to the local repository. In view of this s…… -
Problems related to memory allocation based on Java array
Maybe everyone is familiar with Java arrays. Recently, I encountered a problem about memory allocation of Java arrays.…… -
Java programming prints diamond instances with specified characters
Learning java itself is a very boring process. To put it bluntly, it's just typing code every day. But if you change y…… -
Escape analysis in Java programming language
It is generally believed that new objects are allocated on the heap, but this is not entirely correct. Through the ana…… -
Java bean and map mutual conversion method code example
When importing, we encounter the problem that we need to convert the map object into a JavaBean. That is, we don't kno…… -
Method of configuring log4j log in SSM project
This paper introduces the method of configuring log4j log in SSM project and shares it with you, as follows: Add depen…… -
Java compressed files and download image examples
This article shares Java compressed files and download image examples for your reference. The specific contents are as……