Tagged Questions

Java is an object-oriented language and runtime environment (JRE). Java programs are compiled to bytecode and run in a virtual machine (JVM).

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Java, Parser only parses data once. Need to parse to eof

I have a GB file of binary data. In this file are many sections of data. Each section of data is wrapped in crap that I don't want. In the crap that I don't want there are constant indicator ...
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How to check a DateTime is an occurence of recurring event using Joda Time?

I've a DateTime that represent the beginning of a recurring event. A Days (daily period) will represent the recurring period. I assume that this recurring event will never stop. from = "2013-06-27" ...
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Android File not writing

private void writeResults() { // TODO Auto-generated method stub File file = new File(getFilesDir(), "history.txt"); try { file.createNewFile(); FileWriter filewriter = new ...
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2answers
16 views

Reading Integer user input in DataInputStream in java?

I am trying to get input from user using DataInputStream. But this displays some junk integer value instead of the given value My code is: import java.io.*; public class Sequence { public static ...
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26 views

Is there a C++ equivalent of java.util.concurrent.locks.ReentrantReadWriteLock?

I would like to control access to getters and setters for a bunch of data classes to make them safely accessible from multiple threads simultaneously. I have done this in Java before with ...
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28 views

how does this regex work in Java?

I have the following piece of code that splits the string and returns an array of strings. public static void main(String[] args) { String name="what is going on"; String[] ary = ...
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How do I get the IP address of only my wireless card via Java?

So I have the following code: String machineIP = InetAddress.getLocalHost().getHostAddress(); However, when I have multiple drivers connected (e.g. Hamachi, Ethernet cable attached, etc.) Java ...
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Save Image from ImageView

I tried to save an image from an ImageView into the gallery. I tried it like this: Bitmap bitmap = imageView.getDrawingCache(); MediaStore.Images.Media.insertImage(getContentResolver(), bitmap, "" ...
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3answers
17 views

Day of month - java calendar

I want get, how much month have got days. I have got this code: Calendar cal = Calendar.getInstance(); cal.set(2013, 1, 1); System.out.println(cal.getActualMaximum(cal.DAY_OF_MONTH)); ...
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2answers
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What is unidirectional many-to-many association?

As far as I understand, Many to Many association between 2 entities A and B mean that A can have more than one values in B and B can have more than one values in A. If that is correct what does ...
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Can we save jpeg/png images in java collection?

I wanted to know can we save images with a jpeg or a png format in a Java Collection like Maps/HashMap/TreeMap/ArrayList etc...?
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Selenium:Access to 'file:///C://Users//DELL//Desktop//Project%20UI//FastHome.html' from script denied

When I tried to open the UI page of my desktop using selenium to test I am getting the following error ........... I am Using the firefox 21.0. How to overcome this error?????? ...
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Parsing strings to mongodb query documents with operators in java

In a project I'm working on, at one point I read a query to mongodb from a string. I've been using com.mongodb.util.JSON.parse(querystring) to read the query, which worked fine until I started ...
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1answer
53 views

Passing an Object to a method and returning a list of Objects

Friends I have the following class public class CallFlowObject { private String id; private String description; private String initialStepId; private ...
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1answer
64 views

How to iterate over generic Map

I want to create a clone() method for the generic class containing generic map, but I'm stuck on iterating over the entryset of the map. Here's the important part: private Map<Object, ...

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