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Question:
(a) Java does not support multiple inheritance but does provide the concept of ‘interface'. Explain how interfaces can help a programmer to implement multiple inheritance in their programs. Explain with suitable Java examples.
(b) What is an abstract class in Java? Describe the importance of implementing these classes in programs. Illustrate with an example of your own.
(c) Show the Java approach to event processing by explaining how event handling works in Java. Use an example to support your answer.
(d) Describe what is a ‘Listener' in Java using an appropriate example?
Defiine the term Object ? Object is a named collection of properties (data, state) & techniques (instructions, behavior). Mainly Objects are key to understanding object-oriente
An object that having the data being transferred among JMS clients.
1. Obtaining the new script: Download and save the attached comment CGI mailer script form-mail2.pl to your server's cgi-bin directory, and change the permissions on the script t
Explain the user defined Exceptions. User Defined Exceptions are the exceptions which are defined by user for specific purposed. This enables custom exceptions to be generated
Extend the given drawing program (the version that allows undo and redo) as follows: a) Allow the user to select font and font size; user should also be able to boldface, underl
What is an object's lock and which objects have locks? An object's lock is a mechanism that is used by multiple threads to get synchronized access to the object. A thread may i
The Naming class gives methods for storing and obtaining references to remote objects in the remote object registry.
Project Description: We are seeking software engineers to create a plug-in for Adobe after Effects (CS4 and above) that allows 3D extrusions for a layer. We are seeking somethin
Socket and ServerSocket. ServerSocket is used for normal two-way socket communication. Socket class permits us to read and write by the sockets. getInputStream() and getOutputStrea
A bean factory is fine to easy applications, but to take benefit of the full power of the Spring framework, you may require to move up to Springs more advanced container, the appli
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