Java Help

Testing As Proof
I'm working on implementing a B+tree and I'd like to be a little more rigorous with testing than I have in the past. What I'd like to do is write tests that prove the validity of the algorithm. The algorithm works, mind you, but I don't feel like I can prove it. I want than a bug stomping test suite. I want te... 13 Aug 2010 16:50

DecimalFormat
If you wanted to trim trailing 0s from a string representation of a number after the decimal point, can you do it directly with DecimalFormat, or do you need to do String operations on the result? -- Roedy Green Canadian Mind Products http://mindprod.com You encapsulate not just to save typing, but more import... 29 Jul 2010 19:35

Apache Tomcat https link goes down but http works
I have setup a web suite in Apache Tomcat 5.5. Web site has lots of java software. I have both https and http. This is production system. We have given users to user https. https works for a few days but then when web site gives some "page not found access". However then I invoke http link; web site is up' why? ... 28 Jul 2010 20:39

JSP Web-Development [newbie]
Dear Group, 1. At the beginning I'd like to apologize you for any mistakes or misunderstood's, which might occur in message below, but I'm a quite beginner in JSP so maybe some of my problems aren't really problems ;) My Java knowledge is intermediate, but the structures of JSP or JSF or any other frameworks is ... 1 Aug 2010 20:16

Programming Java 3D API Book Recommendation
"Martijn Mulder" <i@m> schreef in bericht news:4c1cd5fa$0$77902$dbd4b001(a)news.wanadoo.nl... What is the best book on programming the Java 3D API? I am experienced in OpenGL, DirectX and XNA in other settings. I have the book 'The Java 3D API Specification, Second Edition from Sun. What book can you... 28 Jul 2010 16:15

Writing a front-end
Hello, I'm writing a front-end to a library (that's in a jar file). The library actually comes in two forms, an open-source one and a commercial one with extra functionality. Does that mean I have to have two frontends, one for each version? I have access to both versions myself but some of my supposed users o... 31 Jul 2010 00:00

send SMS in Java/Linux
Hello, I would like to create a server that can send SMS on Linux (or windows). I don't want to pay a provider on the Web and I would like to use my own mobile phone chip as a "SMS modem". So do you know if there exist easy solutions to connect, recognise a mobile phone with the chip to the PC and then control... 1 Aug 2010 18:05

Java IO compared to NIO
This presentation compares Java synchronous (java.io.*) to asynchronous (java.nio.*) I/O in a high volume SMTP application, finding a measurable benefit for the former with modern threading libraries and multi-core machines. <http://www.mailinator.com/tymaPaulMultithreaded.pdf> Some discussion may be found ... 1 Aug 2010 00:51

Why do I get a null URL here?
Hello, I have a class XPathTests that lives in the package tests_xpath. In the same folder I also have an XML file, BIOMD0000000011.xml Now I tried to get an URL to that file by doing the following: URL url = XPathTests.classs.getResource("BIOMD0000000011.xml"); but null is returned. I tried a few variants: ... 29 Jul 2010 21:47

io - subStream or subReader class?
I've looked in the standard libraries, and Apache. I want a Reader (or Stream) that provides a view onto PART of an existing Reader (or Stream) defined by an offset and a size. Such an implementation would be very useful to me, e.g. for decoding some JPEG data (using a standard JPEG stream decoder) where the ... 28 Jul 2010 09:37