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Question:
(a) (i) Explain the concept of inheritance. Illustrate your answer with a suitable Java example.
(ii) 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. Illustrate with suitable Java examples.
(b) What is an abstract class in Java? Explain the importance of implementing these classes in programs. Illustrate with an example of your own.
(c) Using a suitable Java example explain the term polymorphism.
An introduction permits the user to add new methods or attributes to an existing class. This can then be explained to an existing class without having to change the structure of th
What does WAN stand for? Wide Area Network - A network in that computers are separated through great distances classically across cities or even continents.
Java Program to Scrape, Data Mine Project Description: I need to data scrape/ mine data from a website and do some data processing. Skills required: Java, Data Mining,
Asynchronous control
I earn .... Rs per month. if mobile costs 20% of my earning. I will buy in cash. if costs more than 20%. I will buy in 3 months installments without interest. if costs more than 40
A JMS client that makes and sends messages.
What is the output of the following JavaScript code? name="Ali Akbar"; document.write(name.charAt(4)) ;
The significant methods of ActionForm are: validate () & reset ().
What interface must an object implement before it can be written to a stream as an object? Ans) An object must execute the Serializable or Externalizable interface before i
The break statement is utilized for terminating the current While or For loop and after that transferring program control towards statement just after the terminated loop. The foll
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