How does one read and write to a file in Java?

Greetings all,
As there is a multiplicity of Java newsgroups, I am having a hard time
figuring out which group to post this to, so please bear with me.
As of late, on my home computer, I have the Java icon in the system

   I am new to java programming. I want suggestions from you people
how to start with java and become a good Java Programmer.
    Also i know about JDK command line usage but is there any
Graphical IDE? I want simple IDE that does not require much space on

can you help to create a java ticker for me?
It's driving me crazy and I dont have a clue about java. My main
problems with the solution I've found are browser performance and
needing a little more config.

Hi.  I have a question about implementing the state pattern in Java.
I'm implementing the State abstract base class and each specific class
as inner classes of the context class.  So I have something like this:
Context: Elevator

My project involves copying files from one Host to another Host located
on the same network of, currently, Solaris machines.
Is there a library or API set that performs tasks similar to Unix's
"rcp host1:<filename> host2:<filename>"

Can u suggest me a good book for JCP exam , and also various sites for
gathering the material
venkat

Does anyone know how I can append the ^M character to a String Buffer?
Thanks
JM

I have a scenario where a client pgm passes a command string to a
Command Interpreter. There are several possible commands. The Command
Interpreter accepts these command strings and makes API invocations on
some other object.

i have declared a Java BigDecimal as being '0.0007'  (not really that big a
decimal, but this is just an example) , and then converted this to a string.
On printing out the string I receive '0.00069999999999999288......'
(followed by a load more numbers).   Why isnt it simply ...

Peered AWT components, such as Label and TextField cannot display the
full font complement. For example, using the Dialog logical font,
peered components can display 6 of 27 international currency symbols.
Using Canvas, you can display 18 of 27.

Dear friends,
In order to call Java from C++, can I use a .jar file directly in C++?
Thanks a lot.
tony

I discovered the oddest thing.  drawString in AWT and JTextArea in
Swing were painting one line in my font sample in reverse order.
It is stored in normal order, and displays on the console in normal
order.

Can someone try this program on a Redhat linux system with either
jdk1.5, or jdk1.6.
When I do a TextField.setText(), is does not erase the text field with
what I want to have displayed. The typed/keyboard-in text is still

I have a java method createHeader, that returns a header object.
the header object is created in a native(c)method.the native method
returns a void *, but infact i have to convert that in to a jobject and
return that jobject to the java call.