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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Failed to import new Gradle project: Could not fetch model of type 'IdeaProject'

when i started android studio i get this error: Failed to import new Gradle project: Could not fetch model of type 'IdeaProject' using Gradle distribution ...
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Eclipse Juno 4.2.2 crash

Whenever I hover over any code with information a window comes up with Java (TM) Platform binary has stopped working error and eclipse crashes. Plus the outline is not working either.
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28 views

Java case-insensitive regex matching doesn't work with letter Ñ

Consider this program: import java.util.regex.Pattern; public class xx { /* * Ñ * LATIN CAPITAL LETTER N WITH TILDE * Unicode: U+00D1, UTF-8: C3 91 */ public static ...
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Displaying correct information in JPanel

I'm having trouble updating JPanels with new data. I'm working on a game, the basic concept of what I'm trying to do is load a player and display the items he holds in a JPanel (set out in a box ...
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Define regular Time instances, get differences between them and currrent Time on Android

There're some objects that each one has certain constant times repeat daily (i.e. 12:30PM, 14, 16, 18 ...); I want to calculate differences between System current time and each time spot to find the ...
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1answer
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finding an available machine for RDP out of many

I have a few machines running Windows 7 that has access from within the LAN using MSTSC (Remote desktop) I want to make a web app that will show which of the machines is available at the moment for ...
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1answer
15 views

How to check Android EditText integer value?

I'm trying to make an app that would calculate the income tax of a given person. There is an EditText field where the user must point out his monthly wage and then it's being calculated in the ...
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2answers
44 views

Issue when using iterative loops inside recursive methods

Hey I was making a method that uses recursion inside for loops, and for some reason the for loops never iterated... Here is an example of what i was doing but with simpler code. The code never ...
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33 views

Can I Map Enum Keys to Enum Values?

I have 2 enums (Modules, UniqueChars) Modules has all the Keys UniqueChars has all the values. How can I map these using HashMap or EnumMap? Firstly, Is it possible to read the keys & values ...
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How do I actually bind a Java service to a URL?

I've written web services for a while using javax.ws.rs. But every time I've used them, I've had the server I was deploying them to (Tomcat 6.0) integrated directly with my IDE, so setting them up ...
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hadoop class not found exception even though its there in hadoop classpath

Just installed hadoop and have a simple program below which I found online to display the configurations import java.util.*; import org.apache.hadoop.conf.*; class printHadoop { public static ...
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java invalidKeyException

Hi all i get this error when i am trying to copy and paste a ssh2 public key that i have generated. here is the full stack trace of the error: java.security.spec.InvalidKeySpecException: ...
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How to change boolean code to int code in java

I am trying to change some code in my admin panel because of some recent changes in my protocols. What I am trying to do is change the code from boolean to int. I will state now I am a complete novice ...
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How can I do mapping from AggregationOutput to a POJO?

For a complicated query I descended to MongoDB Java API (using Spring-data for most of my stuff) and I wrote a aggregate statement using BasicDBObjects. DBCollection users = ...
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1answer
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AsyncTask onProgressUpdate(Double… value)

I am using the AsyncTask to compute a double and then I want to publish this double value private class CalcTask extends AsyncTask<Void, Double, Void>{ @Override protected Void ...

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