spring-boot - Should Java EE novices choose JFinal3.1 or Spring boot?

It is easy to install Spring boot according to the tutorial and write a small demo. Everyone said that Jfinal ...

From [Javadiscussion group] 2017-05-17 10:00:05 0  3  672

jvm - How to execute the specified command when java exits abnormally

Just before the Java process exits abnormally, how to execute the specified command to retain the current syst...

From [Javadiscussion group] 2017-05-17 10:00:01 0  1  634

The backend of the company website is written in Java. When accessing it, I get 502 Bad Gateway. What is the reason? Only I am visiting

I am the only Java technician in the company, and Party B has not yet delivered the project, so I cannot see t...

From [Javadiscussion group] 2017-05-17 09:59:59 0  12  1416

I want to practice Alipay docking and WeChat payment docking development (Java), but it seems that I can't do it personally. How can I start a business?

I want to practice Alipay docking and WeChat payment docking development (Java), but it seems that I can’t do ...

From [Javadiscussion group] 2017-05-17 09:59:51 0  2  727

java - Problems with spring-security and WeChat login?

There is a need to create a WeChat public account, which requires WeChat login. After the front-end gives me t...

From [Javadiscussion group] 2017-05-17 09:59:46 0  1  772

string - How to operate java string to achieve such effect

For example, there are some strings like this: H3C18, H301C108. How to separate it into H3 and C18, H301 and C...

From [Javadiscussion group] 2017-05-17 09:59:34 0  3  591

java import problem

import java.lang.System.out;//Why is the error statement at the beginning of the program wrong? The following ...

From [Javadiscussion group] 2017-05-17 09:59:25 0  1  548

java - What are the application scenarios of WebAsyncManager in Spring?

Description: The first picture is the processRequest method of FrameworkServlet. Questions: (1) WebAsyncManage...

From [Javadiscussion group] 2017-05-17 09:59:17 0  1  731

java - Help: Analyze the following code in detail, I am confused.

public class T1 { {code...} } My understanding: aa in the rename method is in the stack memory, and aa in the ...

From [Javadiscussion group] 2017-05-17 09:59:16 0  3  729

java - Doubts about indexFor(int h, int length) in HashMap

{Code...} In HashMap, the hash value of the key and the size of the Entry[] array are hashed to obtain the sub...

From [Javadiscussion group] 2017-05-17 09:59:13 0  1  693

java - Filtering order when Servlet filter uses annotation to declare filtering address?

First of all, I know that configuring filters under web. Filter filter, and finally go to Servlet: Servlet con...

From [Javadiscussion group] 2017-05-17 09:59:11 0  1  718

java - Hibernate batch insert data always inserts incompletely

When using hibernate to insert data into the database, I found that only a part of the total of more than 2,00...

From [Javadiscussion group] 2017-05-17 09:59:07 0  1  572

java - How to better shield sensitive information when processing logs uniformly

Taking Java as an example, how to better and more efficiently shield sensitive information when processing log...

From [Javadiscussion group] 2017-05-17 09:59:05 0  1  864

mysql - How does Java unit testing test the code that modifies the database part?

For CRUD operations of various databases, corresponding unit tests must be written. There are not many problem...

From [Javadiscussion group] 2017-05-17 09:59:03 0  3  643

java - Why does HashMap both inherit AbstractMap and implement the Map interface?

We know that AbstractMap has already implemented the Map interface. Why does HashMap need to implement the Map...

From [Javadiscussion group] 2017-05-17 09:59:01 0  1  709