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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?
I have to write a several line currency exchange rate calculator.it wants me to use a variable and prompt var dollarAmount = Prompt("Enter amount in U.S. dollars:"); and give t
What is meant by semantic error? Occur while a statement executes and has an effect not intended through the programmer and Frequently times occur only in unusual & infrequent
JDBC stands for Java Database Connectivity: It is an API which gives easy connection to a wide range of databases. To connect to a database we have to load the appropriate dri
Binding is a method of associating or registering a name for a remote object that can be used at a later time to look up that remote object. A remote object can be linked with a na
The Local Systems IP Address and Port Number and the Remote System's IPAddress and Port Number.
Source Code
What is the difference among using bind() and rebind() methods of Naming Class? Ans) Bind method (String name) binds the specified name to a remote object whereas rebind(String
How to get all the registered objects in a rmiregistry? Ans) Using list method of Naming Class.
flags
A point-to-point model is based on the concept of a message queue: Senders send messages into the queue, and the receiver reads messages from this queue. In the point-to-point mode
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