Hi
I like to know why only void return type for main method in java.
public static void main(String [] args)
Why there is no other return types other than void for main method.
Thanks
Does java have a built-in method to compare precedence of two operators? For example, if I have a char '/' and a char '+' is there a method I can call that compares the two and returns true/false if the first is greater than the second (e.g. true)?
I'm coding a software on java and i almost finished, i would like to know how can we create a trial version which work for example for 30 days, because i will to send it to some companies
so how to make it like shareware or trialware, also can we block access to the .class in the jar file?
Thank you
Hi!
So i'm writing a WebService in Java that should receive a file as an input, and then the WebService does some processing on that file, and finally it should send a new file to the client.
My question is :
How do I send a file to the client? (and how can I tell them to upload one).
Thanks for the help
For Example in shell script :
_CLASSPATH =.
for jar in lib/*.jar
do
_CLASSPATH=${_CLASSPATH}:${jar}
done
how to build dynamically a Java classpath in Perl ?
Hi
We can resrict the creation of object of a class by making it's constructor private.
But this constructor could still be called from within the class.
is there anyway to prevent this in Java?
Thnx.
What is the event handler in Java (using net beans, Swing) that resembles the Paint in C#?
The event which shall be fired when the form is restored, resized ... etc
Friends, I am trying to convert DO to DTO using java and looking for automated tool before start writing my own. I just wanted to know if there any free tool available for the same.
JavaMail requires that you specify an external SMTP server when sending mail. I want to have my java app send email directly without having to use an external SMTP server such as postfix or sendmail.
Can anyone recommend a library which provides this kind of functionality?
Ive done some googling and have come up with nothing.
In VB.NET there is the WITH command that lets you omit an object name and only access the methods and properties needed. For example:
With foo
.bar()
.reset(true)
myVar = .getName()
End With
Is there any such syntax within Java?
Thanks!
I want to track the face using web camera in java.
How to do this? can any one tell me the way or else the link on which i can get the information about this?
What's the simplest way of printing an array of primitives or of objects in Java? Here are some example inputs and outputs:
int[] intArray = new int[] {1, 2, 3, 4, 5};
//output: [1, 2, 3, 4, 5]
String[] strArray = new String[] {"John", "Mary", "Bob"};
//output: [John, Mary, Bob]
A simple question: what is the more efficient way to access a db in Java/JDBC?
I'm a web developper and I'd like to write some reusable and scalable code.
What can you suggest?
I want to add days in a date to get a new date in java. How to achieve it using the Calender class. Gregorian calender.
Calender dom = new GregorianCalender(d, m y);
is the instance of my date of manufacture and I want to reach to Date of Expiry adding some 100 days to the current date and store it in doe but unable to do that.
Any help would be appreciable.
I know use System.exit(0) can end a java program, for instance, if I have a JFrame window, it will close and end the program, but I wonder how many other ways, can it be closed and the program be ended ? Including when an error occurs, will the program be shut down and the JFrame be closed ?
My Java desktop application includes a component for communicating with a web service.
We therefore need to include the access details for it within the application, but do not want it to be easily accessible in the event that the code is decompiled (we will be obfuscating).
What techniques can we use to secure these details?
Does anyone know what approach one can take to automatically generate Java source code, from for example an xml or json file, in eclipse?
One great example of what I am thinking of doing is what Google Android sdk does: they have an R class generated automatically from the resources.
Every time a resource file is saved in Eclipse R class is automatically regenerated.
Thanks!
what is the best OCR package you've used with java?
I need to parse mainly numbers in a single font and am looking for a well architected, lite weight library to use.
thanks.
greetings, today i have started to learn java using netbeans ide.
i would like my jframe to display an icon as stated in the following:
setIconImage(Toolkit.getDefaultToolkit().getImage("SartreIcon.jpg"));
the questin is under netbeans ide.. exactly in which folder do i place the graphic in question in order to load it?
thanks.
In Java is there an equivalent to the C# "using" statement allowing to define a scope for an object:
using (AwesomeClass hooray = new AwesomeClass)
{
// Great code
}
This has probably allready been asked but the keywords make it difficult to find a relevant question.
Hello,
I'm working on a project and need a simple free java HTML wysiwyg editor can anyone point me in the right direction?.
It only has a small space to fit into, so something fairly simple would be best.
Thanks for the help!