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

Numbers of students must be integer, A school district has I neighbourhoods...

A school district has I neighbourhoods, J schools and G grades at every school. Every school j has a capacity of C jg for grade g. In every neighbourhood i, the student population

Explain throughput performance and issues in pipelining, Throughput Thr...

Throughput Throughput of a pipeline may be defined as number of results which have been achieved per unit time. It can be referred as: T = n / [m + (n-1)]. c = E / c Th

Explain the matlab mathematical function library?, This is a huge collectio...

This is a huge collection of computational algorithms ranging from elementary functions like sum, sine, cosine, and difficult arithmetic, to more sophisticated functions like matri

Level of any node of a tree, Level of any node of a tree is :- Its distanc...

Level of any node of a tree is :- Its distance from the root

I have a user defined function that does not recalculate, Contain all the c...

Contain all the cells that your UDF depends on in the argument list. Or enter this as the first statement in your Function: Application.Volatile This will cause the functi

New execution of listpermutations, Update the permutation algorithm from th...

Update the permutation algorithm from the text to obtainthe correct list of permutations even if the string haves repeated letters. For example, if you call ListPermutations on the

What is cursor, The illustration of the mouse on-screen. Depending on your ...

The illustration of the mouse on-screen. Depending on your settings, the cursor can be many dissimilar things.

What is thread, What is Thread? A thread, sometimes termed a lightweigh...

What is Thread? A thread, sometimes termed a lightweight process (LWP), is a fundamental unit of CPU utilization; this comprises a thread ID, a register set, a program counter

What is a switchboard, What is a switchboard A switchboard is only a f...

What is a switchboard A switchboard is only a form with command button that open other switchboard or perform tasks like opening forms and printing reports. Switchboard is a t

Write about TSR, Write about TSR TPA also holds TSR (terminate and stay...

Write about TSR TPA also holds TSR (terminate and stay resident) programs which remain in memory in an active state until activated by a hot-key sequence or another event like

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