Recent questions tagged java

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java - Spring Security, trailing slashes, and dots in URLs

I use Spring Security 3.1.4 to secure a Spring MVC 3.2.4 application deployed to Tomcat. I have the following ... pattern="/about.*" .../> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Shrink JScroll Pane to same Height as JTable

I currently have JTables nested in JScrollPanes like so: My problem is that the number of rows in each table is ... How can I accomplish this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Should I use static import?

How important it is to convert all my import to static import? Why are people still reluctant to use static import? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What does the syntax `@__()` mean in Lombok?

I have been working with and actively using Lombok for 2 months. With Java I'm a little more familiar. But, ... and how does it get compiled? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Override log4j.properties

My java application references a 3rd-party jar file which uses log4j logging. The problem is that this jar contains ... file and use my own? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JAXB XJC code generation - "schemaLocation" missing in xml generated by Marshaller

I Use XJC tool to generate Java classes for my XSD schema. When I use JAXB Marshaller to marshall classes ... > </xs:attribute> Regards See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to best get a byte array from a ClientResponse from Spring WebClient?

I'm trying out the new WebClient from Spring 5 (5.0.0.RC2) in a codebase that uses reactive programming and ... elegant way to get these bytes? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Declaring an array of objects in a Spring bean context

I'm trying to create an array of objects in a Spring context file so I can inject it to a constructor that's ... do, please let me know :). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Is there ever a reason to not use the final keyword when catching an exception?

I've seen some code as below in some example BlackBerry Java classes: try { // stuff that will throw an ... manually has no impact at all? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Hide or remove Action Bar on specific Activity | Android

How I can remove Action Bar on specific activity not for all application, for example I have Sign Up activity ... I want to remove Action Bar See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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168 views

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java - Default variables' values vs initialization with default

We all know, that according to JLS7 p.4.12.5 every instance variable is initialized with default value. E.g ... 11 x64, no special javac options See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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281 views

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java - How to write an S3 object to a file?

What's the fastest way to write an S3 object (of which I have the key) to a file? I'm using Java. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - where is the NetBeans config file (netbeans.conf) located?

my NetBeans has ugly fonts in interface. I'm going to make antialiasing for it. In internet I saw that ... usr/share/netbeans/etc/netbeans.conf See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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518 views

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java - using poi , How to set the Cell type as number

I am using poi 3.6 I am able to create the excel properly. But when I trying to set the cell type as ... please suggest what is missing here ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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230 views

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java - How do I change Project language level on Android Studio

I would like to set the Java version I'm using on Android Studio. How do I set the 'Project language level' ... Structure...' --> 'Project'? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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275 views

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java - Tomcat failing to deploy .war

I'm trying to follow this tutorial on creating a simple REST web service, however I get to deploying it on tomcat ... jar jsr311-api-1.1.1.jar See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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315 views

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java - Error while installing Maven Integration for Eclipse

I'm trying to install Maven integration for Eclipse (Galileo) through Install New Software menu nad using the sonatype ... success. :( Any help? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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380 views

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java - Cannot instantiate generic data type in class

I have an immutable class , with the following layout , public final class A <T> { private ArrayList<T> ... passed to addData into my list. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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437 views

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java - How to get all implementors/subclasses of an interface with Guice?

With Spring, you can define an array property and have Spring inject one of every (@Component) class that ... point to add this behavior? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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332 views

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java - Converting byte array containing ASCII characters to a String

I have a byte array that consists of ASCII characters that I wish to convert to a String. For example: byte ... into a String variable? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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290 views

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java - Enable HTTPS with self-signed certificate in Spring Boot 2.0

I'm following this tutorial to enable HTTPS in Spring Boot 2.0 using a self-signed certificate, just for testing ... you so much for your help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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282 views

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java - JUnit4 run all tests in a specific package using a testsuite

Is this possible in JUnit4? In JUnit3, I would do the following: public class MyTestSuite { public static Test ... doAfterActions } } ... } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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322 views

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java - Order Firestore data by TimeStamp in Ascending order

I am storing Ideas posted by the application in Firestore. The data is stored in Firestore like this Ideas/ ... by the TimeStamp value. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Populating JavaFX ComboBox or ChoiceBox from enum

Is there a way to populate a JavaFX ComboBox or ChoiceBox with all enumerations of a enum ? Here is what I ... same problem with a ChoiceBox. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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396 views

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java - clone() has protected access - made public Object clone()

I'm writing code to create an object, clone the object, then compare the two. The object in question, Octagon ... consensus is clone is borked. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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210 views

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java - Create an image from a non-visible AWT Component?

I'm trying to create an image (screen-shot) of a non-visible AWT component. I can't use the Robot ... proper screenshot of the whole thing? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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456 views

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java - How can I trim whitespace by Velocity

I have a method called render_something which can creates a lot of whitespace, for example: <a href="#"> ... ? #trim(#render_something('xxx')) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Gradle exclude plugin in main project for specific subproject(s)

I am working on a larger project that contains many subprojects which are all build with gradle. Generally ... change the project structure. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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