Java
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How to use java to type some text in the hidden field of selenium webdriver
I use webdriver and Java for test automation I have the following HTML code for hidden input fields: <input type="h…… -
Java – polymorphic call
I'm a novice to Java, and I've seen it in the code in many places that my old people claim List mylist = new arraylist…… -
Java – using the Interpreter pattern on a composite structure
I was asked to use composite, recursive descendant parser and interpreter for expression evaluation This is the syntax…… -
Java – method overloading uses float to display “incompatible type error” but does not contain double
I tried overloading the code with this method, and I got an error code: class Adder { static float add(float a,flo…… -
Java – unknownhostkey exception when accessing GitHub safely
I am using jgit to securely access the repository in GitHub I did the following to generate a secure communication key…… -
Java – jmh means M1 is faster than m2, but M1 stands for M2
I wrote a jmh benchmark involving two methods: M1 and M2 M1 calls m2, but jmh claims that M1 is faster than m2 for som…… -
Java – spring property placeholders do not work properly
I'm in stackoverflow I've seen similar problems on. Com, but no solution is helpful to me #possible values: dev test p…… -
Why are Java and C # different in oops?
1) Why are the following codes different C#: class Base { public void foo() { System.Console.WriteLine("base…… -
Java – modern for loop for raw arrays
Is there a performance difference between for loops on the original array? Undertake: double[] doubleArray = new doubl…… -
Java – naming convention for akka messages and actors
I am currently making a very large Java application based on akka. I have encountered several problems and I am not fi…… -
Java – ignore ‘file Result of mkdirs() ‘
This is mydir My code in mkdirs(); This code shows that I ignored file Result warning for mkdirs() I tried to fix this…… -
Java – how to add @ serialVersionUID to an anonymous class?
I want to translate the following code from Java to scala: Foo foo = new Foo() { private static final long serialVersi…… -
Java – how can an EJB client not find an EJB server without a URL?
I'm new to Java EE At present, I am passing the Java EE 6 tutorial Volume 1 (basic concept beta) of Sun Microsystems I…… -
Java – wildfly 8, remote debugging applications
I need to debug y nodes remotely in JBoss 8 / wildly cluster (running two nodes on one machine) For this, in our maste…… -
Java – Hibernate: how to use cascading in annotations?
How to use cascading and annotation in Hibernate? But I doubt: I have this situation: public class Package(){ @OneTo…… -
Java synchronization method with expensive parameters
I have a synchronization method that seems to "use" synchronization significantly longer than it should be It looks li…… -
Java – Solr cannot load MySQL JDBC Driver
I use Solr 4.6 on Mac 1. I try to find out how to load data from MySQL using data import But I couldn't load the jdbc …… -
Java – operation is not allowed after the resultset is closed
Well, he has been trying to solve this problem for the past two days Statement statement = con.createStatement(); …… -
Java – how to disable closing the keyboard if you press done on the keyboard
When the user presses "finish" on the soft keyboard, the keyboard closes I want it to be turned off only when certain …… -
How to use CSS in JavaFX to animate?
I want to change the style of the node by changing its style class Button button = new Button(); button.getStyleClass(…… -
Mix of slider and progress bar JavaFX
I want to click ProgressBar on the slider And learn a certain proportion of the track I need to create progress in a m…… -
Java, generics don’t work
In my opinion, it should work, but that's not the case Why? Source code: package javaapplication1; import java.util.*…… -
Java – difference between bounded type parameters and upper bound wildcards
I know a similar question has been released, although I think I have some differences Suppose you have two methods: //…… -
Java – eclipse Juno – why is there no warning to use uncommented private fields?
In previous versions of eclipse, this worked correctly Error / warning I checked "unused private fields" – > warnin…… -
Date timezone conversion in Java?
The most direct code I can think of is: SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); String in…… -
How to use Java library. Add rxtxserial to path?
See English answer > java lang.UnsatisfiedLinkError: no rxtxSerial in java. library. path11 java.lang.UnsatisfiedLi…… -
Monitoring Java Web applications – is JMX the right choice?
We have a Java Web application. We want to set up some basic monitoring in order to expand this monitoring in the futu…… -
Recognizing images with the same content in Java
Some time ago, I spent some time looking for ways to determine whether the two images are the same to answer this ques…… -
Java null behavior
I'm trying to understand how null works in Java If we assign null to any object, what happens after the scene? Does it…… -
Java – no resource matching the given name can be found (in ‘text’, the value is’ @ string / continue_label ‘)
Let me start by saying I'm a brand new Android programmer I'm using pragmatic's Hello Android book (3rd Edition) I'm s…… -
Java – calculated group by field in mongodb
For this example in the mongodb document, how to write a query using mongotemplate? db.sales.aggregate( [ { …… -
Can we call “case” in another case in the same switch statement of Java?
My intention is to call two case in another case in the same switch statement. switch (orderType) { case 1: ……
