Questions tagged as 'java'

Tagged questions
1
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Android: An error occurred while executing application

I noticed that by using the Alt + Insert shortcut and selecting it to give me the constructors, it tries to create a constructor with each property private (cManager and mTextView) . I remember that I created projects without this and...
asked by 20.02.2015 / 19:57
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How to return the instance of a class in Java [closed]

Does anyone know how to return an instance of a class in Java? I have a class Server, I instantiate the class thus turning an object. And u want to return an instance to another main method, without instantiating another object of that...
asked by 06.02.2015 / 21:46
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Exception in thread "main" java.lang.NullPointerException

How do I resolve this error?    Java - Exception in thread "main" java.lang.NullPointerException at Client.ClientClient (Client.java:43) at Operacoes.main (Operations.java:9) Follow my code: import javax.swing.JOptionPane; public clas...
asked by 01.02.2015 / 16:40
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Find part of a string within a vector

Well I have a vector that gets several lines of text. But I need to compare these lines and see if I find a word, I tried with equals () but it only returns true if it finds exactly the same string and contains () does not work with the vector....
asked by 12.03.2015 / 20:31
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JavaFX WebView does not receive 200 messages from AJAX

I'm using the Restlet library that allows you to use RESTful services without needing an external server. WebView and Browser code: public class View extends Application { public static void begin(String args[]) { launch(args); } publi...
asked by 11.12.2014 / 12:23
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InputDialog in vertical

My problem is that I want to create a graphical interface with vertical insert fields, but I can only create it horizontally. Code: JTextField mapField = new JTextField(5); JTextField tamField = new JTextField(5); JTextField wordField = n...
asked by 21.11.2014 / 13:29
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java.lang.RuntimeException: java.lang.ClassNotFoundException: org.postgresql.Driver

I created the DAO, MODEL, CONTROLLER packages and a test It runs normal with the server, persists in the normal bank but through the view layer. I wanted to test on the main running with java application and set the values of the car before buil...
asked by 16.02.2016 / 13:56
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How to create a model on Android?

About this response this question , I asked the question of the answer author    If he chooses to store in an Array of Objects, this   question had an image what could be done. His response    You can create a template called Pergu...
asked by 11.02.2016 / 01:22
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Script code function

Someone could explain to me what this code means in the part that says: document.cookie = 'useHTML5=; expires=Thu, 01 Jan 1970 00:00:01 It appears more than once, I would like to know if it is something related to a valid date of the script...
asked by 16.08.2014 / 04:22
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Connection with database and mapping

@Techies Reframe the question with an appropriate title, based on the initial question at: What to do after mapping? Hello. Following the guidelines of another post, I have some questions, starting with the hibernate.cfg file:...
asked by 01.10.2015 / 13:50