Java

Java Multithreading series — Implementation of multithreading (01)

Multithreading is the basis of concurrent programming , Because we have to implement threads first , Then you can continue a series of subsequent ...
2021-04-30 14:46 views 42

JAVA Snake games （ Source code + notes ）

one . Project document 2 .Main.javapackage com.company;import javax.swing.*;public class Main { public static void main(String[] args) { ...
2021-04-22 17:17 views 41

SpringBoot integrate Redisson Implement delay queue

Usage scenarios 1, checkout success ,30 Minutes unpaid . Payment overtime , Automatic order cancellation 2, Order signing , After signing 7 There...
2021-04-21 14:32 views 712

Introduction to data visualization

1. What is data visualization? Data visualization is to present data in a more intuitive way , We often use charts to represent data . We use var...
2021-04-21 09:14 views 22

2021 The 12th Blue Bridge Cup javaB Group of true questions and partial answers

2021 Blue Bridge Cup university Java B Group of real questions and personal code book chicken participated in the first Blue Bridge Cup competiti...
2021-04-18 19:33 views 33

JAVA Polymorphism —— Object type conversion

This chapter will be discussed by an example JAVA Polymorphism of —— Experimental topic of object type conversion ： Total salary paid by the compa...
2021-04-10 11:49 views 25

ConcurrentHashMap How to ensure thread safety

JDK1.7, Segment lock technology is essentially array + The form of linked list stores key value pairs . To improve concurrency , The original whole...
2021-04-09 13:42 views 52

study java My first class

study java The first lesson of learning java Before, first Meet us java Grandmaster —> James · Mr. Gosling's introduction – Here is just an i...
2021-03-29 16:38 views 17

Easy to understand front and rear end separation （ Easy to understand ）

Article directory I , Preface II , Front and rear end separation essence III ,1. Front and rear end separation 2. What's the problem if you don't ...
2021-03-28 21:18 views 157

Stop learning java It's over , People are saying you're a fool

Even if it's academic Java All of us are fools , That's also a high salary , Arrogantly despise those who do not learn or do not have in-depth und...
2021-03-28 14:13 views 36
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