[(dis)Recommendation] java directory organization

2007-04-08 Thread Robert Meier
Administrators, What directory organization is used for easy maintenence and use of the jvm and associated libraries? I am using java-1.5 and netbeans. I expect soon to upgrade to java-1.6 . I wish to make jscience-3.3 available for use. What have people found useful? [For example] /opt/j

Re: [QUESTION] Howto access parallel port

2007-03-20 Thread Robert Meier
Peter, Thank you for the pointer to RXTX. I have made progress but am still a newbie. I have successfully built and run nulltest.java, which sends a string to /dev/ttyS0 and simutaneously reads from /dev/ttyS0. With a short from TX to RX, it reads the same string written, "Hello, world". My

[QUESTION] Howto access parallel port

2007-03-15 Thread Robert Meier
java writers, I am a java newbie. How can one access the parallel port of a java laptop? How can one access /dev/parport0? How is hardware represented in java? By standard classes? Which ones? By gateway to an executable(?) underlying the JVM? What is the protocol/class/...? Can you (

Re: unable to run a jar file in linux-Plz help me

2007-03-01 Thread Robert Meier
lib, > I am facing a problem while running a jar file (which I created using > eclipse v3.2.1 on windows XP.) on linux. > The same jar file runs fine on dos, > whereas on linux or solaris it returns a weird issue. > (XYZ not defined or something like that) ... not defined ... usually means that e

Re: Are private methods final?

2006-09-26 Thread Robert Meier
Jim C., > A private method cannot be extended, so does that mean it is final also? In java, yes. Object-oriented theory includes the concept of a constant. A constant is an entity (e.g. field, method, or object) whose value is the same throughout its entire extent. (extent is time of existen