Difference Between Generic and Non-Generic Collection in C

A Generic collection is a class that provides type safety without having to derive from a base collection type and implement type-specific members. A Non-generic collection is a specialized class for data storage and retrieval that provides support for stacks, queues, lists and hashtables.

1. What is generic collection?
2. What is non-generic collection in C#?
3. What is the advantage of the generic collection?
4. What is non-generic?
5. Which of the following is a generic collection?
6. What are different types of collections in net?
7. What is difference between generic and non-generic?
8. Is ArrayList generic in C#?
9. What is type safe in C#?
10. What are generic methods?
11. What is generic type?
12. What is the difference between Array and ArrayList?

What is generic collection?

A generic collection is strongly typed (you can store one type of objects into it) so that we can eliminate runtime type mismatches, it improves the performance by avoiding boxing and unboxing. Generic. Generic is the key concept to develop Generic collection.

What is non-generic collection in C#?

Non-Generic collection in C# is defined in System.Collections namespace. It is a general-purpose data structure that works on object references, so it can handle any type of object, but not in a safe-type manner. Non-generic collections are defined by the set of interfaces and classes.

What is the advantage of the generic collection?

There are many advantages to using generic collections and delegates: Type safety. Generics shift the burden of type safety from you to the compiler. There is no need to write code to test for the correct data type because it is enforced at compile time.

What is non-generic?

Adjective. non-generic (not comparable) Not generic. Non-generic drugs are usually more expensive than their generic equivalents.

Which of the following is a generic collection?

C# includes the following generic collection classes in the System. Collections. Generic namespace.
...
Generic Collections.

What are different types of collections in net?

Non-generic collections

ArrayList, Stack, Queue, HashTable, and so on. Conversion of value type to a reference type is known as boxing.

What is difference between generic and non-generic?

While the pills you receive at the pharmacy counter may look slightly different from the brand, generic medicines work the same as costlier brand-name products. They have the same active ingredients, and the manufacturing and packaging must pass the same quality standards.

Is ArrayList generic in C#?

In C#, the ArrayList is a non-generic collection of objects whose size increases dynamically. It is the same as Array except that its size increases dynamically. An ArrayList can be used to add unknown data where you don't know the types and the size of the data.

What is type safe in C#?

C# language is a type safe language. ... Type safety in . NET has been introduced to prevent the objects of one type from peeking into the memory assigned for the other object. Writing safe code also means to prevent data loss during conversion of one type to another.

What are generic methods?

Generic methods are methods that introduce their own type parameters. ... Static and non-static generic methods are allowed, as well as generic class constructors. The syntax for a generic method includes a list of type parameters, inside angle brackets, which appears before the method's return type.

What is generic type?

Definition: “A generic type is a generic class or interface that is parameterized over types.” Essentially, generic types allow you to write a general, generic class (or method) that works with different types, allowing for code re-use. ... Then, you ca n use T to represent that generic type in any part within your class.

What is the difference between Array and ArrayList?

Array is a fixed size data structure while ArrayList is not. One need not to mention the size of Arraylist while creating its object. Even if we specify some initial capacity, we can add more elements. Array can contain both primitive data types as well as objects of a class depending on the definition of the array.