Questions tagged as 'java'

Tagged questions
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Is there an object recognition framework for Android? [closed]

I would like to know if you have knowledge and if there is a framework for recognizing objects, people, things, ready to be used on Android. It's similar to the idea of the Google Goggles application and the recognition of people on Faceboo...
asked by 25.12.2015 / 18:49
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How popular a p: datatable with a List that contains two List attributes inside?

I spent all day today trying to do something that is supposed to be simple but I could not. It's the following, I'm using the primefaces and I'm new to it yet and I need somehow my <p:datatable> popular with a list of objects. Goodb...
asked by 16.10.2016 / 05:51
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Beginner's doubt library javax.imageio

I'm trying to do this import in java studio import javax.imageio.ImageIO; import javax.imageio.ImageReader; import javax.imageio.stream.ImageInputStream; but this error is appearing to me:    can not resolve symbol'ImageIO ' How can I...
asked by 01.08.2015 / 03:23
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Implementing JMenuBar in a JFrame

I'm having trouble trying to insert a JMenuBar component into my main frame. I do not get any problems running the code, but the options bar in the program does not appear. What is missing?! Principal.java public class Principal {...
asked by 24.08.2015 / 21:18
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How to configure tomcat in windows 7? [closed]

How to configure Tomcat 7 on windows 7? Do I need to configure java environment variables?     
asked by 26.08.2015 / 18:01
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WebLogic and libs conflicts: how to know the versions that WebLogic already has?

My question is beginner, but I feel pretty lost. I've been working with Java, but I've always used Tomcat. I recently needed to make my webapp compatible with WebLogic. The problem is that I started to have conflicting versions of libs. Af...
asked by 28.07.2015 / 13:23
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Login in an Android APP

I am having trouble authenticating my user when the user is verified it returns me a successful response, but my application does not change the activity. Here are my codes: PHP: <?php if($_SERVER['REQUEST_METHOD']=='POST'){ $username =...
asked by 03.09.2015 / 16:35
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How to pass a list of an object containing another object (composition) to a JSON

I have two classes: Contact and Operator. A in the Contact class I have a composition: private Operadora operadora ; I have a DAO where I have a class that returns a list of Contacts, in the console the list is displayed like this: [Cont...
asked by 14.09.2015 / 18:53
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How to automatically receive, in Activity, a value calculated in a Service?

I have an algorithm that generates prime numbers using a Service . Well, it works but I need it to automatically update the data on my% s of% main, at the moment it does so with the click of a button and needs to be done automatically....
asked by 01.09.2015 / 02:09
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Generate Runnable Jar from a Maven project

I'm having trouble generating a Jar file for my application from Maven, I followed the following tutorial. Mkyoung.com It even generates the Jar but with a super reduced size and at the time of executing by the CMD it presents the follow...
asked by 08.09.2015 / 15:22