Questions tagged as 'java'

Tagged questions
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What is the advantage of using OSGI? [closed]

What is the advantage of using OSGI to separate project modules? How would transaction transactions be between the modules, and the relationships between the different module entities?     
asked by 29.07.2016 / 14:14
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My layout does not render [closed]

I was watching and copying a code from the first Material Design class of Thiengo Calopsita from youtube , it turns out that the xml activity_main and toolbar_bottom is not rendering in Android Studio , according to the erro...
asked by 20.06.2015 / 16:18
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Fill field CPF + Date with mask selenium webdriver java [closed]

I am having difficulty populating Date and CPF fields with masquerade through id or xpth in selenium + java + JUnit. Does anyone have an idea how to do it? NOTE: I do not want to generate CPF ... I want to fill field.     
asked by 29.07.2015 / 20:03
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Implement and perform set operations on linked lists

Can anyone help me in implementing a threaded list to perform set operations? Without using native Java functions, such as ArrayList . The algorithm already generates a linked list and adds new nodes, but how do I make an operation like...
asked by 28.03.2015 / 16:22
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maven configuration [closed]

I created a Maven project (NOTE: this is the first time I'm touching this technology), but it is giving this error. This plugin that the message is speaking do I need to install it? How do I do? Another thing, when I go to pr...
asked by 03.06.2015 / 21:04
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Problem with focus setting of Ubuntu windows when using Java [closed]

I was doing a program where a circle is drawn on the screen and it moves around the screen, using the JFrame classes to create the window, a thread to control the circle that I enter on the screen. > The problem however is when I...
asked by 03.07.2014 / 14:00
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Demoiselle 2.4.0: Error executing test with JUnit

I have a project built from the Demoiselle archetype for Maven . The generated application is the one that exemplifies the Demoiselle, containing a register of bookmarks . The developer who generated zero revision of the application is no...
asked by 18.12.2014 / 14:41
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In-app purchases via the operator

Nowadays in my application, I use the in-app-billing system, but I would like to know if there is any possibility of selling and charging for the user's device operator credit. Is it possible? At one time I was able to make purchases through...
asked by 26.11.2014 / 20:00
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Display video with JavaCV using applet

I'm using an applet that displays image from a security camera through JavaCV. Running alone, the applet displays the video perfectly. When I run the applet in my web application, it even renders the swing components, but no video or image...
asked by 22.12.2014 / 19:08
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Grouping in Ireport

I'm developing an application in Java where I extract reports in PDF and EXCEL, using Jasper with Ireport (3.7.2) . One of these reports requires data grouped by a certain element. I gave a researched and only found resolutions with ve...
asked by 07.04.2014 / 20:32