Java
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Spring boot admin method for managing monitoring data
The spring boot actuator can monitor all kinds of application information. The only disadvantage is that the returned …… -
Detailed explanation of Java function idioms
In Java programming, some knowledge can not be learned only through language specifications or standard API documents.…… -
Java implementation of batch writing data to MySQL
This article describes the method of batch writing data to MySQL in Java. Share with you for your reference, as follow…… -
Explain in detail how spring boot introduces external jar packages
Due to the requirements of the project, the interface of SMS verification code needs to be changed to Ali greater than…… -
23 design patterns (15) Java Interpreter pattern
23 design patterns Part 14: Java Interpreter pattern Definition: given a language, define a representation of its gram…… -
How to use propertysource annotation in spring boot
preface This article will focus on the use of the @ propertysource annotation in spring and how to load the specified …… -
Java optional class usage sharing
Optional is defined as a container class in Java, more specifically, a container with only one element. container obje…… -
Detailed explanation of session addition, deletion, modification and query operation code in Hibernate
Put the three state transition diagram here to facilitate the function of the analysis method: 1. Save() method of ses…… -
Example analysis of Java recursive algorithm
The basic idea of recursive algorithm design is: For a complex problem, decompose the original problem into several re…… -
Spring boot uses logback, logstash and elk to record log files
Under spring boot, try to log to logstash using log4j, and add log4j in Src / main / resources directory The custom ou…… -
How to dynamically inject bean instances in spring
preface There are many ways to inject instances in spring, but due to the different initialization order, the annotati…… -
Java implements a simple timer code analysis
We see a lot of timing functions on mobile phones, such as regular garbage cleaning, alarm clock, etc Timer object is …… -
Example explanation of JXL exporting data to excel
advantage: JXL supports Chinese very well. The operation is simple. The method depends on the name. JXL is a pure Java…… -
Implementation of network data cache interceptor Interceptor Based on okhttp3 (supporting retrofit)
Preface: some time ago, when developing the app, it often occurred that due to the user's equipment environment, the d…… -
Complete example of minesweeping game and improved version implemented by Java Swing
This paper describes the minesweeping game and its improved version implemented by Java swing. Share with you for your…… -
Four step five minute spring4 rapid integration with swagger
If your company hasn't used swagger and hasn't even heard of swagger, quickly learn my blog. It's five minutes quick a…… -
Detailed JAVA memory leak sample code
When locating JVM performance problems, you may encounter memory leakage leading to JVM OUTOFMEMORY. When using Tomcat…… -
Detailed explanation of Java tool class dateutils instance
This example shares the specific code of Java tool class dateutils for your reference. The specific contents are as fo…… -
JDBC connection MySQL garbled exception handling summary
When learning JDBC some time ago, you should connect to MYSQL to obtain data. According to the teacher's sample data, …… -
Java programming undirected graph structure storage and DFS operation code explanation
Concept of graph The graph is an extension of the tree in the algorithm. The tree is a top-down data structure. All no…… -
Method for converting java time into UNIX time stamp
Java time conversion into UNIX timestamp specific code for your reference, the specific contents are as follows The ab…… -
Complete code example of TCP communication in Java network programming
1、 Overview Socket class is the basic class for Java to perform client TCP operations. This class itself uses code to…… -
Find the farthest leaf node of binary tree (example explanation)
During the interview, I came across a question: how to find the farthest leaf node of a binary tree and the distance f…… -
Java string and date type conversion tool class
The common methods of string to date and date to string are as follows The above is the whole content of this article.…… -
Java implementation code example of K-means clustering algorithm
1. Introduction K-means clustering algorithm randomly selects K objects as the initial clustering center. Then, the di…… -
Java method for obtaining timestamp accurate to seconds
This example shares the specific code of Android Jiugongge picture display for your reference. The specific contents a…… -
Detailed explanation of dateutils time tool class in Java
This example shares the specific code of dateutils time tool class for your reference. The specific contents are as fo…… -
Quickly understand various annotations in spring
Annotations in spring can be roughly divided into two categories: 1) Spring's bean container related annotations, or b…… -
Simple web page screenshot function example implemented in Java
This paper describes the simple web page screenshot function implemented in Java. Share with you for your reference, a…… -
How should final function on variables, parameters, methods and classes in Java be handled
The function of modifying parameters with final in Java methods Adding the final keyword in front of method parameters…… -
Solution to automatically bind list with spring MVC parameters
Recently, I encountered a problem that I need to pass in a group of objects in the project. In the past, only one obje…… -
Maven + Alibaba cloud creates a central warehouse for domestic images (available for personal testing)
As we all know, one of the headaches in wall development is that the connection speed of Maven warehouse is too slow. ……