Java
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Java – sort an array of file names containing numeric strings
For my project, I need to download a zip file from the FTP server. I can publish a new zip about 13 times a year I nee…… -
Java – cobertura override and assert keywords
The line coverage of the unit test I measured on cobertura is being affected because I have asserted that it is not co…… -
Java – the difference between restful WebService and httpservlet
See the English answer > servlet vs restful 1 Solution Rest is really an architectural style when designing APIs on…… -
What is java actually?
I work in selenium. This problem is more specific to Java than selenium The example I provided is selenium webdriver e…… -
Simple java date calculation
I want to do simple date calculation in Java For example, calculate the difference in days between dates (with a 0 tim…… -
Java: pre, postfix operator takes precedence
I have two similar questions about operator precedence in Java First: int X = 10; System.out.println(X++ * ++X * X++);…… -
Java – how do i disable code splitting in GWT?
We have a very large GWT project, resulting in a 2 Mb monolithic application The obvious way to break it is to use spl…… -
Representing numbers in byte arrays (Java programming)
I tried to use a two byte array to represent port number 9876 (or 0x2694 in hexadecimal): class foo { public stat…… -
Graphics are not displayed in jlayeredpane (Java Swing)
I'm trying to build an image based on user input step by step What I'm trying to do is create a bunch of graphics and …… -
Java – string array mismatch
My program shows a series of questions (one by one) After I have written my answer, a warning message should tell me w…… -
How to hide the internal structure of the Java API to the rest of the world
I'm developing a Java API to do things (secret, uh, them) Is there any way to hide classes and the internal structure …… -
Java – use webservicetemplate and keystore
Can I configure a web service template using a Java keystore? Edit I'm looking for a way to configure the keystore loc…… -
Java – how to implement the JSR specification
I am considering implementing one or two JSR APIs I haven't read the entire specification (the plan is to read them wh…… -
Java – lastindexof() finds the last alphanumeric character
I have a string in which I need to find the last alphanumeric character No matter what the last alphanumeric character…… -
Java EE – startup bean not called
I created a Java Web application project in NetBeans and created a startup bean in it: package malibu.util; import ja…… -
Java – can I add breakpoints to classes where I don’t have source code?
I want to add breakpoints to classes in eclipse, but I don't have its source code Is it possible to add breakpoints to…… -
Java – gson deserializes the interface of its class implementation
I'm using retrofit 2.1 0 and converter gson: 2.1 0 and gson alone: 2.6 2. Customize serialization / deserialization Th…… -
Java – how to get rid of the mouse cursor in full screen exclusive mode?
I am using a simple 2D game engine in Java, and have not encountered fSEM, buffer strategy and other problems; My prob…… -
Java – parsing arrays with multiple types using gson
I want to use gson to parse the following JSON: [ [ "hello",1,[2] ],[ "world",3,[2] ] ] So…… -
Java – process multipart / form data input
I'm just trying to use formdatamultipart, but unfortunately it doesn't seem to work SEVERE: A message body reader for …… -
Java – is there a server independent way to implement basic authentication?
I'm trying to add basic authentication to my restful web service At present, I perform basic authentication on Apache …… -
HTML validator in Java [closed]
I want to validate HTML code in Java Like this: HTMLValidator.validateHTML("aaa<b>bbb<b>"); // Returns fal…… -
Java – description of this lambda expression
I'm creating a word comparison class that also counts the number of occurrences of words (this is Java) This is my ori…… -
Java – maven nattable cleaning installation failed
I tried to import and solve the developer project of nattable project, as described in their Getting Started tutorial …… -
Java – wait for multiple swingworkers
Consider the following code snippet: import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.ev…… -
Is the swing repeat() method other than EDT in Java 7 still safe to use?
I know that even using swing's threading model, it was once considered safe to call repaint () and other methods from …… -
Java – adding to HashMap takes a long time
In my java program, I have stopped for a few lines, which takes too much time (about 20 seconds), which seems strange …… -
Processing asynchronous signals in multithreaded programs
The Linux programming interface book mentions a method of processing asynchronous signals in multithreaded programs: T…… -
Java – Jersey serialization / deserialization problem: abstract types can only be instantiated with other type information
I'm serializing and deserializing my jersey I used Jersey to create a rest channel on Weblogic I have result objects t…… -
Java – the correct way to automatically connect hibernate session in spring transaction JUnit test
This problem is similar to the previous one I tried to @ autowire a hibernate session in my spring JUnit transaction t…… -
Java – how do I update a map or list on the AWS dynamodb documentation API?
The new AWS dynamodb document API allows two new data types to directly correspond to the basic JSON representation: M…… -
Java – parses a 20 GB input file into an ArrayList
I need to sort 20 GB files (composed of random numbers) in ascending order, but I don't know which technology to use I……