Recent questions tagged java

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java - Bean definition inheritance with annotations?

Is it possible to achieve the same bean inheritance using annotation based configuration (@Bean etc)? <bean ... /#beans-child-bean-definitions See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to know activity has been finished?

I want to check to see if an activity is running or finished. Is there any method through which I can check the ... but I am not sure about it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Does closing the BufferedReader/PrintWriter close the socket connection?

I have an application that uses simple sockets to pass some characters between two systems. I have my java ... this connection in Java? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Unicode issue with an HTML Title, question mark? 65533;

I'm trying to parse the title from the following webpage: http://kid37.blogger.de/stories/1670573/ When I use ... 2010</title> any ideas? thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why equals and hashCode were defined in Object?

What's the reasoning behind decision to include these methods in the java.lang.Object? Equality and ... without implementing equals/hashCode. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - "The matching wildcard is strict, but no declaration can be found for element 'http'" Error

I am trying to configure NTLM authentication, but receive error: cvc-complex-type.2.4.c: The matching wildcard ... article. Please help me. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Find longest common prefix?

In two strings: "Mary Had a Little Lamb" "Mary Had a Big Lamb" should return "Mary Had a " See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Error creating bean with name defaultServletHandlerMapping

I converted all my XML Spring configuration to Java code ones, but i am not getting able ... ) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.do...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Didn't find class on path: dexpathlist

Seriously, i don't know what to do to solve this problem. My android project was working fine, until i ... im desperate. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What are the advantages of chain-of-responsibility vs. lists of classes?

Recently, I was discussing with another programmer the best way to refactor a huge(1000 lines) method full of "if" ... { //doSomething2 } //etc. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to highlight the item when pressed using BottomNavigationView between activities?

I have added Bottom Navigation View for my app but I need the Bottom Navigation View between activities ... .design.widget.BottomNavigationView> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - KeyTypedEvent KeyEvent's KeyCode is always 0?

I have a Java Swing application in the NetBeans IDE. I made a form and attached a KeyListener to my various ... VK_ESCAPE has a value of 27. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Variable 'runnable' must be initialized

Why does Kotlin complains about this: class MyActivity : Activity { private var handler:Handler = Handler() private var ... , 5000); } }; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Apply '@Rule' after each '@Test' and before each '@After' in JUnit

I have a test suite where I am logging out of the system in @After and closing the browser in @AfterClass. I ... I am after I am afterclass See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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269 views

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java - <? super E> and <? extends E> for List

Having the following simple class structure: class A { } class B extends A { } class C extends B { } I'm ... class A, as the list4 is defined? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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348 views

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java - ExecutorService.invokeAll does NOT support collection of runnable task

Wanted to run collection of Runnable task through invokeAll(..) method of ExecutorService. But that's not ... to do something similar. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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461 views

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java - Jackson: deserializing null Strings as empty Strings

I have the following class, that is mapped by Jackson (simplified version): public class POI { @JsonProperty("name" ... if the property is null? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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330 views

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java - Maven multi module project cannot find sibling module

I can't seem to get Maven to find a sibling's module in a multi-module project. I've run mvn clean ... </dependency> </dependencies> </project> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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356 views

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java - Why does C# not implement GetHashCode for Collections?

I am porting something from Java to C#. In Java the hashcode of a ArrayList depends on the items in it. In C# ... object is equal. Am I wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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403 views

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java - Chrome version must be between 71 and 75 error after updating to ChromeDriver 2.46

After update of chromedriver to version 2.46 my tasts fail to initialize. I got message like this: Starting ChromeDriver ... but I cant do it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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202 views

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java - Is it possible to read Firebase data without attaching any listeners?

I'm working on a Firebase Android app and need a way to read data from Firebase without actually attaching any ... () equivalent? Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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136 views

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java - Generating Enums Dynamically

Let's say I have a file whose format is basic XML, like so: <?xml version="1.0"?> <enum-set> < ... achieve something like this? Is it doable? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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390 views

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java - No JREs installed in the work space that are strictly compatible with this environment

The following warning i am getting after running my java project in eclipse. **Description Resource Path Location ... with this environment**. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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380 views

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java - Removing DOM nodes when traversing a NodeList

I'm about to delete certain elements in an XML document, using code like the following: NodeList nodes = ...; for ... the proper way to do it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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293 views

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java - JPA orphan removal does not work for OneToOne relations

Does anyone have a workaround for this issue: https://hibernate.atlassian.net/browse/HHH-9663? I am also ... this by manually deleting orphans. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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128 views

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java - Set the execution directory in Eclipse?

Is it possible, to execute a class in a specified directory? I mean, a.class is in directory abc and i want ... as if it were in directory xyz. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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239 views

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java - Including external jar in Tomcat ClassPath

In Tomcat I want to use a jar inside a web application. The jar file will exist outside of the Tomcat ... have implementation the next week.. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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278 views

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java - Can Selenium take a screenshot on test failure with JUnit?

When my test case fails, especially on our build server, I want to take a picture / screenshot of the screen to ... there to solve this. Ideas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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