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After the java bean is jsonized, the attribute xAxis will become xaxis. Jackson used

{code...} is the field of the related bean

From [Javadiscussion group] 2017-05-17 10:08:01 0  1  720

javascript - A comparison of node and java concurrency scenarios, please help explain

Assume that a node program is installed under a single-core CPU. The program is very simple. It is an http ser...

From [Javadiscussion group] 2017-05-17 10:08:00 0  1  681

Network Transport Protocol - I wrote a simple chat software in Java using UDP, but I always cannot receive messages?

I wrote a simple chat software in Java using UDP, but I couldn't receive any messages. Could you please tell m...

From [Javadiscussion group] 2017-05-17 10:07:59 0  1  897

How to dynamically load jdbc.properties

Because I want to distinguish the username and password of the database in the development, test, and producti...

From [Javadiscussion group] 2017-05-17 10:07:55 0  2  851

java - Regarding the issue of class guidance in IDEA, I would like to ask all the experts for help! Still looking forward to an answer! grateful!

Suppose I have a class called AAA in the cn.xxxx.xxxxx.domain package, which has various methods, and then def...

From [Javadiscussion group] 2017-05-17 10:07:54 0  2  578

Can an uninstantiated static object also call non-static methods in a class?

There is a very common code: System.out.println. This is a very common output statement, but after studying it...

From [Javadiscussion group] 2017-05-17 10:07:52 0  5  807

java - A multi-layer nested class. The json auxiliary class needs to be initialized. How to write it more easily?

{Code...} It is too troublesome to call the set method on a new object SeriesBean.LabelBean.EmphasisBean.TextS...

From [Javadiscussion group] 2017-05-17 10:07:49 0  1  628

java - Anonymous inner classes and inherited classes, why is there a difference when implementing ClassLoader

I was looking at the Java virtual machine recently, and the class loader section gave this example: {Code...} ...

From [Javadiscussion group] 2017-05-17 10:07:45 0  1  898

java - What is the difference between the init method of servlet and the init method of selecting Filter to load the configuration file?

springMVC chooses the init method of servlet to load the configuration file, while jfinal chooses the init met...

From [Javadiscussion group] 2017-05-17 10:07:44 0  2  1011

Do the parameters in the main method in Java have to be String[]args?

Let me ask, does anyone know?

From [Javadiscussion group] 2017-05-17 10:07:39 0  3  921

oop - In Java, doubts about anonymous inner classes calling external class methods

Today I learned about inner classes and learned that inner classes can hold this of outer classes, so that Out...

From [Javadiscussion group] 2017-05-17 10:07:37 0  1  1166

java - The default expiration time of a session is 30 minutes. Does it mean 30 minutes from the creation of the session, or 30 minutes from the last time the session was accessed?

What about that one? have no idea

From [Javadiscussion group] 2017-05-17 10:07:34 0  3  693

Questions about java deep copy

In the following code, why can {code...} achieve deep copy? {code...}

From [Javadiscussion group] 2017-05-17 10:07:33 0  4  607

java - Convert list<bean> to a list of another bean.

{Code...} I need an operation similar to the following. {Code...} reports an error of an unconvertible type. D...

From [Javadiscussion group] 2017-05-17 10:07:31 0  4  1200

How to prepare for the Java-oriented major factory recruitment project part

There are a lot of interview experiences on the Internet, and there are also many excellent test-taking websit...

From [Javadiscussion group] 2017-05-17 10:07:28 0  3  798