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Can you explain what inheritance is and an example of when you might use it?
The process of deriving a new class from an existing class is known as Inheritance. The old class is known as the base class and the new class is called derived class. The derived class inherits some or everything of the base class. In Visual Basic we use the Inherits keyword to inherit single class from other.
Ex:
Public Class Base
---
End Class
Public Class Derived
Inherits Base
Two-dimensional array is represented in memory in following two ways: 1. Row major representation: To attain this linear representation, the first row of the array is kept in
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What is the disadvantage of strobe method. The drawbacks of strobe method are that the source unit that show the transfer has no way of knowing whether the destination unit h
In the message-passing model, there exists a set of tasks that use their own local memories during computation. Multiple tasks can reside on the similar physical machine as well ac
A socket is one end-point of a two-way communication link among two programs running on the network. Socket classes are used to show the connection among a client program and a ser
What is an interface and what is an abstract class? Please, expand by examples of using both. Explain why. In a interface class, all methods are abstract without execution w
Q. What is the Concept of Lock? Locks are used for protected access of data in a shared variable system. There are numerous kinds of locks: 1) Binary Locks: These locks a
What are the Input for UML development UML is an attempt to standardize artefacts of analysis and design consisting of semantic models, diagrams and syntactic notations. The fi
What are packages? Package is a group of elements (classes, generalizations, associations and lesser packages) with a common theme. Package partitions a model making it simpler
State about the Internet services Internet services are provided automatically, in many other implementations the certificate is stored on a separate database or token such as
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