Answer Posted / yograj pandey

Abstraction is "the process of identifying common patterns
that have systematic variations; an abstraction represents
the common pattern and provides a means for specifying
which variation to use" (Richard Gabriel).

An abstract class is a parent class that allows inheritance
but can never be instantiated. Abstract classes contain one
or more abstract methods that do not have implementation.
Abstract classes allow specialization of inherited classes.

What is the difference between struct and class in c#?

1164

---

What is expression tree in c#?

874

---

What are instance fields in c#?

971

---

Please explain value types and reference types used in c#?

823

---

What's the difference between class and object?

948

---

What is the difference between protected and internal in c#?

956

---

How to find Percentage, name ,College from a resume or document ? How to export these values to other page in C#?

885

---

What is difference between tostring() vs convert.tostring() vs (string) cast

1003

---

What debugging tools come with the .NET ssSDK?

1203

---

What are the types in c#?

866

---

What does out mean c#?

897

---

Can firstordefault return null?

895

---

Can we inherit sealed class in c#?

839

---

Can you specify nested classes as partial classes?

930

---

What is a strong name in c#?

1327

---