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Java implements audio playback code examples by reading and writing
This article mainly introduces the example of audio playback code in Java by reading and writing. The example code is …… -
Log4j novice quick start tutorial
brief introduction Log4j is an open source project of Apache (official website) http://jakarta.apache.org/log4j ）, by…… -
Spring’s actual operation example of obtaining the ID of the bean itself
This example describes the actual operation of spring to obtain the ID of the bean itself. Share with you for your ref…… -
Java 8 calculation of time difference method example
package insping; import java.time.LocalDate; import java.time.Month; import java.time.Period; public class Test { …… -
Parsing process of creating XML (no Chinese garbled code) based on Java
This article mainly introduces the parsing process of creating XML (no Chinese garbled code) based on Java. It is intr…… -
Analysis of the underlying implementation principle of Java serialization and deserialization
1、 Basic concepts 1. What are serialization and deserialization (1) Java serialization refers to the process of conve…… -
Java file archiving and restore
This example shares the specific code of file archiving and restoration in Java for your reference. The specific conte…… -
Single linked list of leading nodes implemented in Java
Characteristics of linked list 1. It is stored in node mode and is a chain structure. 2. Each node contains the data f…… -
Mybatis annotation to separate reading and writing from multiple data sources
First, you need to create two libraries for testing. I use master here_ Test and slave_ Test two libraries, both of wh…… -
Construction template pattern usage example of Java abstract class
This article describes the construction template pattern usage of Java abstract classes. Share with you for your refer…… -
Spring framework configuration entity class complex attribute injection XML file process details
Spring framework is a very important framework in Java Web projects. Most web projects are divided into persistence la…… -
Adding element instances to Java arrays
The following examples demonstrate how to sort a Java array using the sort () method and insert elements into the arra…… -
Java array difference instance code
The following example demonstrates how to use the removeAll () method to calculate the difference between two arrays: …… -
Java anti lock screen applet code example
To prevent the system desktop from automatically locking the screen, just type a jar package and write a batch program…… -
Implementation of Java generic extensions keyword setting boundary
This article mainly introduces how the placeholder in < > in the generic definition is used with the extends key…… -
Three ways to reverse the order of Java array elements (summary)
There are many ways to reverse array elements. Here are three common ways Direct array element exchange @Test public v…… -
Java uses recursive algorithm to delete folders
Premise: Integrated development environment (IDE): Eclipse JDK version: 8.0 Several methods of file class: 1）isFile()…… -
How does Java use optional and stream to replace if NULL judgment logic (jdk8 and above)
Through this article, you can replace the null check in business logic with very short code, and it is easy to log or …… -
Java design simple student management system
This example shares the java student achievement management system for your reference. The specific contents are as fo…… -
Parsing of Java byte stream from file input and output to file
If you need to copy a picture, a word, a RAR package. You can read the file as a byte stream and then output it to the…… -
Spring boot deployment process analysis (jar or war)
preface For the deployment of traditional SSM or SSH projects, they are usually packaged into a war package or a compi…… -
Java 8 in-depth study
1、 Using the optional introduction 1.1. Code problem derivation NullPointerException is usually encountered when writ…… -
Java teaches you how to add a nice flag to your avatar
Today, the circle of friends is hot again. I heard that the reason is that @ Tencent's official website can get a gree…… -
Simple factory pattern example of java interface oriented programming
This paper illustrates the simple factory pattern of java interface oriented programming. Share with you for your refe…… -
Java uses OTP dynamic password (changed every minute) for login authentication
Git address: https://github.com/suyin58/otp-demo Screenshot of dynamic code: In the background management system open …… -
Using array stack (Java implementation)
Stack introduction The stack is a first in, then out ordered list. Stack is a special linear table that restricts the …… -
Java uses policy patterns to optimize too much if else code
preface Not surprisingly, this should be the last time I shared it years ago. This time, I'll give you some tips that …… -
Instance implementation of Java array to obtain maximum and minimum values
The following example demonstrates how to use the collections. XML file of the collections class Max () and collection…… -
Java implementation code for array flipping
1. Java provides some toolkits to realize array flipping. I won't repeat reverse here... 2. You can also assign a new …… -
Analysis of single sign on implementation of spring cloud microservice based on redis cluster
brief introduction This paper introduces how to implement single sign on in microservice architecture Create three ser…… -
The principle of future and futuretask in Java and its combination with thread pool
Future and future in Java are usually used together with thread pool to obtain the return value after thread pool retu…… -
How to obtain the real IP address of the client in Java interview
preface When developing some small games, we often pay more attention to sharing. For sharing, we hope to have differe……