Java

JDBC connect MySQL database Timezone Time zone issues FAQ

Cause of the problem ： Database driven mysql-connector-java8.0.16.jar The version of is higher , Here we use 8.0.16 Explain the problem descriptio...
2021-03-26 13:27 views 202

Thread.setDaemon Set up the Daemons

  Java Threads are divided into user threads （user thread） And Daemons （daemon thread）, They go through Thread Of daemon Attribute identifier ：true...
2021-03-21 20:49 views 30

Java16 Officially released , You're still using it JDK8 Is that right ?

Java Continuously improve the platform performance by itself , The ability of stability and safety , It has always been the most popular programmi...
2021-03-19 21:51 views 40

Novice quick understanding bubble sort , Details of insert sort

Bubble sorting is shown in the figure above . We can understand it as a bunch of numbers at first, for example ：4,1,7,9,6,8,5,3,2. So first we'll ...
2021-03-18 21:26 views 21

Java Version of the fight landlord code free copy

public class Doudizhu { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String[] huashe1 = {"♥", "♠"...
2021-03-15 16:30 views 30

Simulated bank deposit java, Simulate bank deposit and withdrawal business

The suspected violation of this floor has been folded and hidden by the system. View this building public class Account { // Initial deposit flo...
2021-03-09 20:50 views 14

JWT expired at 2021-03-08T14:02:47+0800. Current time: 2021-03-08T14:03:12+0800

Error information ：2021-03-08 14:03:10.727 INFO 6568 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorServic...
2021-03-08 14:15 views 22

java web Project personal blog _javaWeb Project personal blog system

The first project of personal blog system SC13032012-11-19 The first part of Monday is the case description. The purpose of the case is to strengt...
2021-03-05 03:16 views 19

java End of design mode _《JAVA Design mode 》 Final exam review

《J A V A Design mode 》 Review material 1 , Single choice questions 1． Design patterns originate from ()A, machine design B, Architectural engineeri...
2021-03-02 03:39 views 16

java8+stream+remove_Java8 of Stream usage

Java8 API Added a new abstract flow Stream, It can perform very complex lookups , Operations such as filtering and mapping data . use Stream API O...
2021-02-28 10:21 views 24
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