Recent Posts
-
Using Java, JS or Mysql to calculate the distance between two coordinates in Gaode map
preface Because of my work, I recently used Gaode map in map related applications and studied the method of calculatin…… -
Java implementation of string to string array method example
This example describes the method of converting string to string array in Java. Share with you for your reference, as …… -
In depth analysis of spring boot starter
Introduction to spring boot The spring framework is very powerful, but even for a very simple project, we have to conf…… -
Ikanalyzer combines Lucene to realize Chinese word segmentation (example explanation)
1. Basic introduction With the more and more extensive application of word segmentation in the field of information re…… -
Explain mybatis foreach collection example
In the process of SQL development, dynamic construction of in set condition query is a common usage. The foreach funct…… -
Java design fine-grained implementation code based on concurrent HashMap
Fine grained locks: Several locks in Java: synchronized, reentrantlock and reentrantreadwritelock can basically meet t…… -
Explain the construction method call under Java inheritance in detail
Explain the construction method call under Java inheritance in detail When creating an object of a class in Java, if t…… -
An instance of solving a subset of a set in Java
An instance of solving a subset of a set in Java Method 1: we know the n-th power of the number of subsets 2 For examp…… -
Detailed examples of java reflection mechanism
Detailed examples of java reflection mechanism preface Today, let's introduce the reflection mechanism of Java. In the…… -
On guard thread and non guard thread of Java
Recently, I re studied the basic knowledge of Java and found that too much knowledge has been omitted in the past. Com…… -
Java implementation of simple parsing XML file function example
This paper describes the function of simple parsing XML files in Java. Share with you for your reference, as follows: …… -
Simple example of connecting Oracle / MySQL database function implemented by Java [with Oracle + MySQL database driver package]
This paper describes the function of connecting Oracle MySQL database implemented by Java. Share with you for your ref…… -
Easy to use ssh-struts2 01 environment for beginners (Graphic tutorial)
Firstly, SSH is not a framework, but the integration of multiple frameworks (struts + Spring + Hibernate). It is a pop…… -
Dijkstra algorithm for realizing the shortest path algorithm in Java
preface Dijkstra algorithm is a well-known shortest path algorithm. It is a single starting point full path algorithm.…… -
Agent model for Java design pattern learning
Proxy mode: provides a proxy for other objects to control access to this object. Agent mode structure diagram Simulati…… -
Summary of MD5 encryption using java
This article describes the method of implementing MD5 encryption with Java. Share with you for your reference, as foll…… -
Kotlin basic type auto packing problem solution
Kotlin basic type auto packing problem solution problem When the official kotlin document introduces basic types, it e…… -
Detailed explanation of standalone mode deployment configuration of spark
Spark operation mode Spark has many modes, the simplest of which is the single machine local mode and the single machi…… -
Detailed explanation of the example before Java uses agent to implement the main method
Detailed explanation of the example before Java uses agent to implement the main method Create agent project Premainex…… -
On zookeeper open source client framework curator
zookeepercurator Cursor is an open source zookeeper client framework of Netflix In the process of using zookeeper, Net…… -
Detailed example of Java singleton mode
Detailed example of Java singleton mode Concept: Singleton pattern is a common design pattern in Java. There are three…… -
Java implementation of two-dimensional array transpose method example
This paper describes the method of two-dimensional array transpose in Java. Share with you for your reference, as foll…… -
Read the storm operation zookeeper cluster clj
The main functions of storm operation zookeeper are defined in the namespace backtype storm. In cluster (i.e. in clust…… -
Image clipping function example implemented in Java
This paper describes the image clipping function implemented in Java. Share with you for your reference, as follows: P…… -
Simple factory pattern for Java design pattern learning
Simple factory mode The simple factory mode is a creation mode, It is also called static factory method pattern, but i…… -
Java does not need to be decompressed to read zip files and file contents directly
Sort out the documents, search out a java code that directly reads zip files and file contents without decompression, …… -
How to use the Java super keyword
Super keyword in constructor In the constructor of a Java subclass, you can call the constructor of the parent class t…… -
Explanation of usage examples based on join() in multithreading
In thread, the join () method is used to call the thread and wait for the thread to complete before continuing to run.…… -
On @ profile of spring annotation
The @ profile in spring is very similar to the profile in Maven. The parameters are changed through configuration. For…… -
Maven’s method of packaging web projects into war and jar files at the same time
This paper introduces how Maven packages web projects into war and jar files at the same time, and shares it with you.…… -
Java implementation of installable exe program examples
Java implementation of installable exe program examples The general idea of realizing installable exe files by writing…… -
Three ways to run Java main using maven
Maven uses the exec plug-in to run the Java main method. Here are three different operation modes. 1、 Run from the co……