Explain abstract class, Computer Engineering

Assignment Help:

What is an interface and what is an abstract class? Please, expand by examples of using both. Explain why?  

Abstract classes are closely related to interfaces. They are classes that cannot be instantiated, and are frequently either partially executed, or not at all implemented. One key difference among abstract classes and interfaces is that a class may execute an unlimited number of interfaces, but may inherit from only single abstract (or any other kind of) class. A class that is derived from an abstract class may still execute interfaces. Abstract classes are useful when creating components because they permit you specify an invariant level of functionality in some methods, but leave the implementation of other methods until a specific implementation of that class is required. They also version well, because if additional functionality is required in derived classes, it can be added to the base class without breaking code.

 


Related Discussions:- Explain abstract class

Compute the different stages of kohlbergs theory, Problem 1 (a) Identi...

Problem 1 (a) Identify and briefly describe the possible roles of Codes of Ethics (b) Describe why is a code of ethics important to stakeholders. (c) Explain how should

In virtual memory system addresses used by the programmer, In a virtual mem...

In a virtual memory system, the addresses used by the programmer refers to  (A) Memory space.               (B) Physical addresses.   (C) Address space.                (D) M

Facsimile , FACSIMILE : This is often known as 'fax' and it represents the...

FACSIMILE : This is often known as 'fax' and it represents the interface between reprographic and computer technology. By using fax, the contents of a sheet of paper (text or illu

Does average velocity differ from its instantaneous velocity, Q. When an ob...

Q. When an object travels with constant velocity does its average velocity during any time interval differ from its instantaneous velocity at any instant? Answer:- No It i

Speed of memory versus speed of CPU, In the past there was a large gap betw...

In the past there was a large gap between speed of a memory andprocessor. So a subroutine execution for an instruction for illustration floating point addition may have to follow a

When one speech sample appears in time multiplexed system, In a time multip...

In a time multiplexed space switching system, one speech sample appears every? One speech sample shows every 125 micro sec, in a time multiplexed space switching system.

What are assemblies, What are Assemblies? Assemblies are same to dll f...

What are Assemblies? Assemblies are same to dll files. Both have the reusable pieces of code in the shape of classes/ functions. Dll needs to be registered but assemblies have

Where shared resources are accessed, A critical section is a program segmen...

A critical section is a program segment? Ans. A critical section is a program segment where shared resources are accessed.

Write short note on quantization, Write short note on Quantization. Qua...

Write short note on Quantization. Quantization: This is the first step in PCM. The whole amplitude range of the modulating signal is divided in a number of standard levels term

Expalin johnson counter, Write short note on the Johnson counter. Ans:...

Write short note on the Johnson counter. Ans:  Johnson Counter: It is a synchronous counter, where all flip-flops are clocked concurrently and the clock pulses drive the

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd