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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?
Difference between HashMap and Hash table HashMap: It allow us to have null values and also one null key It is Unsynchronized. Iterator in HashMap is Fail-Safe.
Describe java operators? An operator is a symbol which operates on one or more arguments to generate a result. The Hello World program is so easy it doesn't use any operators,
Using Java, write the class Time which consists of the following: (a) three private integer data members (hours, minutes and seconds). (b) a constructor to initialise the dat
#queThis assignment will give you practice with defining classes. You are to write a set of classes that define the behavior of certain animals. You will be given a program that r
Objective: create a simple object, put that object in a simple collection class, use that object and collection in a simple GUI application. Specification: Consider a Librar
what is multithreading in Java? Explain with example.
Want to Design an all encompassing Database for a small business Project Description: I want to organize and structure an all encompassing database and Information management
I want ProSport Savings Plans Project Description: To prepare an application on iPhone, Mac, iPad and Android, which does the subsequent:- Provides a calculation of the am
How to catch multiple exceptions explain with example? If multiple blocks match the exception type, the first block in which matches the kinds of the exception catches it. pub
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