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  • Java Definitions

    - by Brian
    I just had a test on java and we had to give the definition of 1) Static: 2) IOExcepion: What I said for static was...a static method is used to define a method as a class method. And I got it wrong so I asked my teacher and he said he wants the actually definition of static not a static method, class or variable just static. Can someone tell me the definition of this and for IOException please Thanks.

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  • Simple way to do SURBL lookup from Java?

    - by StaxMan
    I am reading about SURBLs (known spam hosts), for purpose of classifying spam, as a batch process. Main access method seems to be via DNS lookups. I was wondering what's the usual way to do such lookups from Java code. Since this is a batch process with no strict performance requirements, I think most important feature would just be simplicity.

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  • Java: "implements Runnable" vs. "extends Thread"

    - by goosefraba19
    From what time I've spent with threads in Java, I've found these two ways to write threads. public class ThreadA implements Runnable { public void run() { //Code } } //with a "new Thread(threadA).start()" call public class ThreadB extends Thread { public ThreadB() { super("ThreadB"); } public void run() { //Code } } //with a "threadB.start()" call Is there any significant difference in these two blocks of code?

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  • How can I get system user documents, pictures, music folders indipendent on os using java

    - by user348889
    Hi, While I was working on my project, I got a requirement that, I need to get the system user documents folder( like "My documents for windows and Documents for Linux). I need to get it for all the operating system. How can I do this. I can get the user root directory by using System.getProperty(user.home). I need solution for this requirement using Java. Any one please help me.

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  • How to dislpay Kannada (Indic) Fonts in a Java application

    - by AJ
    I am trying to dislplay a kannda character in a Java app. String fonts[] = ge.getAvailableFontFamilyNames(); This shows that there is a font family by name "BRH Kannada" Font f = new Font("BRH Kannada", Font.PLAIN, 20); and then I do button.setFont(f); now when i set the button text, i have to ideally get the text on button to use the BRH kannada font. However, what and how should i give the string as? Rgds, AJ

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  • Java: Using Dynamically loaded classes

    - by Snigger
    Hi I'm new to java. I'm trying to use some dynamically loaded classes in my application. The application doesn't know classes , Just it try to load a class by name that its name came from input. It doesn't know class (So I can't use casting) but just needs to call some methods of that class (every class should have that methods). I thought about interfaces but I don't know how. How can I call those methods? Thanks

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  • Creating instance in java class

    - by aladine
    Please advise me the difference between two ways of declaration of java constructor public class A{ private static A instance = new A(); public static A getInstance() { return instance; } public static void main(String[] args) { A a= A.getInstance(); } } AND public class B{ public B(){}; public static void main(String[] args) { B b= new B(); } } Thanks

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  • Manually Increasing the Amount of CPU a Java Application Uses

    - by SkylineAddict
    I've just made a program with Eclipse that takes a really long time to execute. It's taking even longer because it's loading my CPU to 25% only (I'm assuming that is because I'm using a quad-core and the program is only using one core). Is there any way to make the program use all 4 cores to max it out? Java is supposed to be natively multi-threaded, so I don't understand why it would only use 25%.

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  • a good Java guide

    - by Lo'oris
    Do you know a good guide for Java, such as "dive into python" for python? If I searched google I expect I would find tons of random guides, but trying them all until I found a good one could take ages... that's why I am asking: do you already know one in particular? one you KNOW is good? I already know C, PHP and a bit of Python, if that matters.

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  • implementation of TCP/IP for java-me

    - by iamrohitbanga
    java-me uses the internet connection of the mobile device to implement network api's. are there any special features in the implementation of tcp/ip protocol stack for mobile devices or the implementation is essentially the same with a little different parameters like buffer space etc. lets take symbian for example.

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  • java is not pure OOP [closed]

    - by Rozer
    as we know java is not pure oop because primitive type. is there any else cause for it please share.. think static variable and multiple inheritence also have same resp... Pleas correct me..

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