Tagged Questions

Java is an object-oriented language and runtime environment (JRE). Java programs are platform independent, because they are compiled to bytecode and their execution is handled by a Virtual Machine called the Java VM or JVM.

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GMC string instead of boolean

I've received message from GCM but i got string instead of boolean. It seems problem is with my JSON array. I get warning message: 04-17 00:41:04.058: W/Bundle(6702): Key alarm expected Boolean but ...
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1answer
17 views

How to print out one random String from an array

Hi I was wondering how I can print out one random value of an array instead of two of them. Here is my code: public static void main(String args[]) { String[] currentRoom; String[][] rooms = ...
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3answers
34 views

Syntax error, insert “}” to complete Statement. issue

This is one of my app activities , i realy try to complete statment succesfully but i cant , it rise red line error under vi.setTag(holder);} exactly under } in the following code : public class ...
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0answers
7 views

Client-Host libraries/frameworks suggestions for an application

Currently i am building a application for my university project and I'd like if someone could give me some suggestions on which client-host tool to use for comunication (most simple and easy to ...
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1answer
23 views

Why isn't there guava Objects.equals(Object) to primitive types?

Why isn't there a Objects.equal receiving as an argument each primitive type? I know you can box the value via #valueOf or let each primitive be autoboxed, but don't you lose performance doing that? ...
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3answers
14 views

How to create a combo box actionListener?

How do i create a combo box action listener? I have the folloawing so far: myCombo = new JComboBox(); myCombo.addActionListener(); ///I am not sure how to proceed, it seems that it is different from ...
-4
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1answer
29 views

Common Time Stamp

I have a quiz, where the question lies as: Shortly after data was collected for the radar task, Mr. Salmon was asked to write code expanding this experiment to involve a device called an eye-tracker ...
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4answers
24 views

quadratic formula with scanner inputs

Okay so I am a complete Java noob, and I'm trying to create a program for class that runs a quadratic equation using scanner inputs. So far what I've got is this: import java.util.*; public class ...
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0answers
19 views

Compare Images in Android

I am creating Tic Tac Toe game.This is the click event- when a button is clicked set background image ==num1 public void onClick(View event) { // TODO Auto-generated method stub if(btn1 ...
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0answers
19 views

Unable to find explicit activity class

I just began android development, and I'm stuck on this issue. When the application runs, I'm greeted with the following: http://imgur.com/yIFxvd4 (In case the link is broken or the image can't be ...
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0answers
13 views

Android ListView does not display information from multiple ArrayLists

I've been studying Android ListViews recently and I'm having some issues. I looked at a few tutorials and got the most basic ListViews working just fine. But now I would like to make a ListView that ...
0
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0answers
16 views

Android, how to improve performance on a network area with sockets?

I'm developing a real time game to learn Android. I'm using Tomcat and Webservices to exchange some data when the game starts. I'm using sockets. Both Android devices can exchange information through ...
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0answers
4 views

Java + Passenger + Jasper-Rails

Dear Stackoverflow colleagues, Im trying to use Jasper-Rails plugin to run my Jasper Report over Ruby On Rails 3, but when i run my App in Production Environment i got the error: can't create Java ...
2
votes
3answers
30 views

Trace code execution?

One of my programs is stopping at some position (no exception, also seems not to be crashed), but I don't know that position. Instead of setting up a breakpoint (which means you already need to know ...
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votes
1answer
10 views

Swing: Custom LaF for JTabbedPane component subclass

How can I subclass a JTabbedPane and give each instance of my subclass a Look-and-Feel that is different from the default LaF? I still want access to the default JTabbedPanel, so simply overriding the ...

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