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• Java package scanner - find all classes with a given interface

  - by michael lucas

  In C# you can easily read all classes from a given assembly. I'm looking for equivalent feature in Java. I need this to automatically bind EJB beans to my Guice Module.

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• How does Java pick which method to call?

  - by Gaurav

  Given the following code: public class Test { public void method(Object o){ System.out.println("object"); } public void method(String s) { System.out.println("String"); } public void method() { System.out.println("blank"); } /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Test test=new Test(); test.method(null); } } Java prints "String". Why is this the case?

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• integrate java facebook api in web application

  - by angelina

  Dear all, I want to integrate facebook api in my webapplication ,from where i can login a user ,gets his online friends ,sends notification messages,logout a user.plese suggesting which api to usein java.

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• How know a variable type in java?

  - by Miguel Ribeiro

  Hi. I wanted a thing like I declare a variable: String a = "test"; And want to know what type it is, i.e., the output should be java.lang.String thanks in advance

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• Java ACM subjects

  - by shangrila

  Who can send me some Java ACM subjects or Something like that?I wanna improve my OO thinking. To my gmail,please [email protected] Thanks in advance.

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• Start a thread in a different process in Java

  - by kolm

  Hi there, is it possible to start a new thread in a different process in Java? I mean, I'm running a specific process and main thread, issuing ProcessBuilder for creating a new process. Before start() method is invoked, one must provide the command to be run in another process. Is it possible to start a new thread in newly created process? Thank you in advance for the reply. Best regards.

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• How can I integrate Java with .Net?

  - by Luke

  I have one SDK that is available in Java and another SDK that is available for .Net and would like to write a single application that interfaces with both of them. I imagine I will need to use a cross platform communication framework that can support named pipes (or other in memory communication), what is the best choice? After some more research I found Hessian -- does anyone know anything about the maturity of this project?

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• How to call System commands from a java program

  - by Andersson Melo

  I want to use system commands like mkdir and remdir running a java program. How can I do that?

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• java add dns cache record

  - by silverbandit91

  Is it possible to add a record to the dns cache from java? Or will I have to use the JNI?

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• How do I sort a set in Java?

  - by Jeremy Stein

  In Java, I have a set, and I want to turn it into a sorted list. Is there a method in the collections package that will do this for me?

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• What are the Java equivalents to Linq and Entity Framework

  - by Colin Desmond

  Having played with Linq (to SQL and Objects) as well as the Entity Framework from Microsoft recently, I was wondering what the non-.Net (specifically Java) equivalents are?

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• Java: Finding objects in collections.

  - by Jake

  This problem occurs over and over. I have some complicated object, such as a Cat, which has many properties, such as age, favorite cat food, and so forth. A bunch of Cats are stored in a Java Collection, and I need to find all the Cats that are aged 3, or those whose favorite cat food is Whiskas. Surely, I can write a custom method that finds those Cats with a specific property, but this gets cumbersome with many properties; is there some generic way of doing this?

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• How to generate a checksum for an java object

  - by Alex

  hi there, I'm looking for an solution to generate a checksum for any type of java object, which remains the same for every exection of an application which produces the same object. I tried it with object.hashcode(), but as I read in the api ....This integer need not remain consistent from one execution of an application to another execution of the same application. thank you, best regard alex

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• taking integer input in java

  - by ruchir patwa

  I am actually new to java programming and am finding it difficult to take integer input and storing it in variables...i would like it if someone could tell me how to do it or provide with an example like adding two numbers given by the user..

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• number out of string in java

  - by Ali_IT

  I have something like "ali123hgj". i want to have 123 in integer. how can i make it in java?

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• Qt Creator plugin for Java

  - by ebasconp

  Hi everybody: Do you know if there is some available Qt Creator plugin to add Java support to this nice IDE? Thanks in advance, Ernesto

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• Java: Programatic Way to Determine Current Windows User

  - by Justin Nelson - jjnguy

  I see many similar questions, however I want to find the Username of the currently logged in user using Java. Its probably something like: System.getProperty(current.user); But, I'm not quite sure.

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• Problems related to changing the encoding of a Java file

  - by Emanuil

  I need to use a few Cyrillic characters in a Java file and in order for Eclipse to allow me to do so I need to change the encoding for that file (currently to UTF-8). Are there any possible problems that this could cause?

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• java program to get the current date without timestamp

  - by Lakshman

  I need a java program to get the current date without timestamp Date d = new Date(); gives me date and timestamp But i need only date, without timestamp. I use this date to compare with another date object that does not have timestamp. on printing System.out.println("Current Date : " + d) of d it should print May 11 2010 - 00:00:00 .

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• Passing data types from Java to C (or vice versa) using JNI

  - by user277460

  Using JNI can we pass custom data types from Java to C (or vice versa)? I see a mapping of primitive datatypes to types in C however not too sure if we can send across our own data types (e.g. Send across or return an Employee object or something!).

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• Find unused import statements in Java source

  - by curiousmind

  Does anyone know of a tool (besides Eclipse or any other IDE) that I can use to find unused imports in a Java source file? I am looking for a command-line type of tool (to integrate in a larger script). Thank you.

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• What's the Java equivalent of the term "pythonic"?

  - by Chris Sears

  If I wanted a single word that meant "conforming to Java language conventions", what would that be? Python has the term "pythonic". Would it be "javaish"?

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• Java: Is catching exceptions asynchronous?

  - by Gabriel Šcerbák

  I am asking because if it is not, it can be abused as synchronizations mechanism. I am asking about Java.

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• Finding Last Fired time using a Cron Expression in Java

  - by a-sak

  Is there a way in Java to find the "Last Fired Time" from a Cron Expression. E.g. If now = 25-Apr-2010 10pm, cron expression "0 15 10 ? * *" (quartz) should return me 25-Apr-2010 10:15am I do not care if we use standard cron expressions (like Unix and Quartz) or less popular ones if they can fetch me the correct "Last Fired Time"

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• To run web camera in Java-Applet code

  - by Chetan

  I want to access web camera through Java-Applet code... Can u give me sample code & somewhat basic information about it.

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