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By File Array if you mean that it is an array of File objects then you can use

file[i].toString();
file[i].getAbsolutePath();
file[i].getPath();
//etc

methods to represent the file's...

And where's the definition of method rightPad() ?

Refer this.

Post the portion of code (wrapped up in code tags) you require help with.

You code..

1.doesn't check for exceptions properly. Integer.parseInt() throws NumberFormatException

2.violates sun java's naming conventions.

How can you expect something like this to be a...

This is NOT a Java script forum.

In your method if the value of displayValue is above 100 or below -273 it displays a message dialog and right after the user interacts with it, the control reaches end of the method and it searches...

You can't expect us to do your homework. Think of an approach and get started with it.Then we can address your queries.

You get a java.lang.NullPointerException because you are trying to use public nodeobj array without creating their respective objects.

//change the node[] to static so as to use it in main()...

For dynamic web page development :

-Refer Servlet and JSP technologies.

For database connectivity :

-Refer JDBC.

For UI design related information :

Yeah right, a few micro-seconds difference.(and space isn't quite a big problem these days though !)



Thanks !

Completely agree ! And regarding the multi-threading part, I thought we could split up the work to threads :S




This can do the job I suppose..

next = next + last;
last = next - last;

I'd like to answer the second question (because I'm going to take the exam in a couple of weeks). First of all it is now known as OCPJP (since the certification comes from Oracle.) and refer this....

//import the DecimalFormat class..
import java.text.DecimalFormat;


Add this piece of code before printing out the result :


DecimalFormat decimalFormat = new DecimalFormat("#.##");...

This isn't the right place to ask this question.

That piece of code would certainly do the job, but it can be made more efficient by implementing recursion also you can fix the swap part to a 2 variable one. A little bit of threading should make it...

That package was introduced in order to achieve high-level concurrency using the thread objects.
1. Creating and managing thread pools.
2. Concurrent collections such as Queue,BlockedQueue
3....

Refer this.

This should definitely help you.

System.arraycopy(Object src, int srcPos, Object dest, int destPos, int length) ?

Also if you are keenly interested then this may be of some help to you.

You can establish an input stream to the original file and fetch the data, then place it in an output steam with UTF-8 encoding.
Example of the output stream creation.

BufferedWriter out = new...

java.net.SocketException: Broken pipe generally occurs when you attempt to write into the connection, which has already been closed on the other end. Check your implementation by tracing the...

Why don't you write one yourself ? And as per my knowledge this algorithm has its applications in ECC, which is being introduced with Java 7.

Create a separate thread for each client who approaches the server, and you don't need to spawn another thread from it, rather handle the entire game through it.(which includes client's and server's...