Java

JAVA Minesweeping games

The pictures needed for the game are placed at the end, and the pictures needed for the game are taken , The game is divided into three levels , T...
2022-04-30 14:52 views 19

JavaWeb——JDBC

package jdbc;import java.sql.Connection;import java.sql.DriverManager;import java.sql.Statement;public class demo { public static void main(Stri...
2022-04-28 14:21 views 15

High level love words that can only be read by Yuanyuan

Let's take a look at the confession between programmers
2022-04-27 14:25 views 23

Redis Basic use , integrate springboot

Write configuration file , Set storage data format and serialization , The injection connection factory uses it directly when in use @AutoWired S...
2022-04-08 14:17 views 29

Linux View current time

one , View and modify Linux Time zone for 1. View current time zone command ： “date -R”2. Modify settings Linux Server time zone method A comm...
2022-04-05 19:36 views 24

Java Middle traversal Map Five ways of

Method 1 ： stay for Loop traversal value Map<String, String> map = new HashMap(); map.put(" development ", " development "); ...
2022-04-03 21:00 views 11

Java Object to Map

Mode 1 : utilize FastJson Convert objects to Map/** * * @MethodName: getUserInfoDataByUserId * @Description: according to useId Qu...
2022-04-03 18:47 views 104

redis How to set password

Password setting is briefly introduced here redis How to set password redis There are two ways to set the password , One requires restart redis se...
2022-03-28 12:05 views 85

java Two dimensional array of

Use of two-dimensional arrays arr[ 2 ] [ 3 ] The element of is a one-dimensional array , If you visit page 2 Number of arrays 2 Elements are arr[...
2022-03-28 11:33 views 24

Dubbo Get local ip error

Foreword we will be due to security vulnerabilities dubbo Upgrade to 2.7.15 edition , When the environment exists docker When deploying .dubbo ...
2022-03-25 13:16 views 143
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