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• what java method takes an int and returns +1 or -1?

  - by David

  what java method takes an int and returns +1 or -1? the criteria for this is weather or not the int is positive or negative. I looked through the documentation but i'm bad at reading it and i can't find it. I know i've seen it somewhere though.

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• how to get svn/cvs log record by java?

  - by Eric

  I want to cut the svn/cvs recods in pieces and then put in to database. After that i can make use of those data easily. Any java function can get out the record? and How? If possible, please provide a example. Thank you.

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• PHP front-end and Java back-end for a web app?

  - by Raydon

  I'm designing a web application. I was wondering if it was feasible to design a php front end (using some php framework e.g. CakePHP), which stores and retrieves data to display to the user. Then develop a java backend which listens to the database for changes, and depending on what was changed, performs some actions and updates the database. Any thoughts on this type of implementation would be appreciated.

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• When and how are classes garbage collected in Java?

  - by Bright010957

  I asked a question about Garbage Collection in Java in this topic. But the answer I got, gave me another question. Someone mentioned that classes can be collected by the garbage collector too. Is this true? And if it is true, how does this work?

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• How to draw interactive frame over user's desktop using java applet?

  - by Extax2

  I need to capture portion of user screen usign java applet. It is easy to do using Robot class but I'd like user to select which portion of screen to capture in draggy-droppy way. So I need to draw rectangular frame over users desktop and response when user resizes it. How could I do it? Thnx.

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• How to add a spring application context to the java runtime to be used for integration tests within

  - by user258030

  I am trying to add a test spring application context to the java runtime, so that my beans can be wired properly for my integration tests.

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• Why Java does not allow overriding equals(Object) in an Enum?

  - by Ashwin Prabhu

  @Override public boolean equals( Object otherObject ) is not allowed in Java for an Enum, since the method equals(Object x) is defined as final in Enum. Why is this so? I cannot thing of any use case which would require overriding equals(Object) for Enum. I'm just curious to know the reasoning behind this behavior.

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• How to send mail from any mail id through java?

  - by abc

  How to send mail from any mail id through java? i meant how can we set from : address in mail any that we want.

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• What is the best open-source java charting library? (other than jfreechart)

  - by pyinsci

  Why are there not more opensource easy to use charting libraries for Java?. The only successful opensource project in this area seems to be jfreechart, and it doesn't even have any documentation or examples available.

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• Why do we make a copy of final instance variable in a method in Java?

  - by PRK

  For instance: private final Object o; public void doSomething(){ final Object local = this.o; //access methods of local; } This practice is followed in lots of java classes (such as ArrayBlockingQueue). What's the benefit of this?

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• What is the equivalent of Java's final in C#?

  - by Nosrama

  What is the equivalent of Java's final in C#? EDIT: Sorry, I should have been clearer. I meant what is the equivalent when applied to a member variable - so it must be assigned once and only once.

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• in java can one have an array of variables?

  - by David

  in java can you have an array of variables? if so what is the syntax? here's an example if your confused: varint[] ArrayOfVariablesThatAreInts = new varint[#] or var[] ArrayofVariables = new var[#] is something like this legal?

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• How to check if internet connection is present in java?

  - by Chris

  How do you check if you can connect to the internet via java? One way would be: final URL url = new URL("http://www.google.com"); final URLConnection conn = url.openConnection(); ... if we got here, we should have net ... But is there something more appropriate to perform that task, especially if you need to do consecutive checks very often and a loss of internet connection is highly probable?

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• What's the best building tool for java besides ant?

  - by user198729

  Somehow I don't like IDE very much, but I don't find a particular good tool to build java applications from source yet. I welcome all kinds of feedbacks!

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• Reading from a very large table using multiple threads (Java ) and writing them to a single file

  - by user2534926

  I am currently facing a situation where i have a table with almost 80 millions data and i have to take a dump of that table and store it into a csv file. Currently i am using a not so professional approach( with a perl script+DBI interface , printing the values to stdout and redirecting to a csv file). Now i am planning to use java threading approach. Can you suggest a way forward. Thanks in advance

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• Which is more comfortable software tool for java application developers?

  - by Venkats

  I want some suggestion from you people, which is very comfortable software tool for java developers? Especially application developers....

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• can i use WindowBuilder (java visual editor Eclipse Plugin ) Without GWT Support ??

  - by Salamon

  hello , I'm a little bit confused about it . it seems that it is integrated with Google web kit tools to build Google web apps . but can i use to build a Gui for standard java app , (like netbeans) ?? i know it sounds silly but i spend a lot of time to know if is it possible or not but i couldn't know. notice that i am a mac user , ( WindowBuilder on mac seems not fully supported ) . thanks in advance .

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• An existing Java codebase is not correctly structured by directory. Is there an automated tool that

  - by 99problems

  I'm quite happy to rig up a bash script to do this, but it would nice to have an automated tool to sort java files into the correct directories (after creating them). Thanks!

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• Java / MySQL - How to access connection from another class?

  - by Alex

  I'm just getting my head around java (and OOP for that matter), the only thing I am familiar with is MySQL. I need to keep the DB connection open throughout the duration of the application, as well as a server socket. I'm not even sure if they both need separate classes, but here's what I have so far: http://pastebin.com/qzMFFTrY (it wouldn't all go in a code tag) The variable I need is con for line 86.

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• Is this possible to make as a option dialog in Java?

  - by Raptrex

  I'm wondering how I could make this into a popup dialog. I designed this with Netbeans gui editor. I looked at option dialog, but all the examples only had a textfield or a combobox, not more than one thing like I have. So what would be the best way to make this in Java.

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• How do I set the position of the mouse in Java?

  - by byte

  I'm doing some Swing GUI work with Java, and I think my question is fairly straightforward; How does one set the position of the mouse?

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• Can python code (say if I used djangno) be obfuscated to the same 'level' as c#/java?

  - by Blankman

  If I obfuscated python code, would it provide the same level of 'security' as c#/java obfuscating? i.e it makes things a little hard, but really you can still reverse engineer if you really wanted to, its just a bit cryptic.

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• How can I call notify() in Java without blocking?

  - by Horcrux7

  Are there a replacement for the follow Java code that will not block? I want only ping a possible waiting thread. I does not want change any on a possible thread that is already in the monitor. synchronized( monitor ) { monitor.notify(); }

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• Is Java worth learning in my late thirties? [closed]

  - by bobi

  Hi guys. First I want to say is that I am 37 years old and not from programmer background (actually from biology). And my question is should I start learning java? I have coded in php and javascript for a year and a half. Every answer would be appreciated Thanks in advance Bobi.

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• How do I express ":" but not preceded by "\" in a Java regular expression?

  - by jjujuma

  How can I express "not preceded by" in a Java regular expression? For example I would like to search for ":" but only when it is not directly preceded by "\". How can I do this?

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