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How to make a class as a list in C#?

How to make a class as a list in C#?

The List class defined in the System. Collections. Generic namespace is a generic class and can store any data types to create a list. Before you use the List class in your code, you must import the System.

How do you add to a list in C sharp?

The following code snippet creates a List and adds items to it by using the Add method.

  1. // Create a list.
  2. List AuthorList = new List();
  3. // Add items using Add method.
  4. AuthorList.Add(“Mahesh Chand”);
  5. AuthorList.Add(“Praveen Kumar”);
  6. AuthorList.Add(“Raj Kumar”);
  7. AuthorList.Add(“Nipun Tomar”);

How to use a list C#?

A list can be accessed by an index, a for/foreach loop, and using LINQ queries. Indexes of a list start from zero. Pass an index in the square brackets to access individual list items, same as array. Use a foreach or for loop to iterate a List collection.

How to access list value in C#?

You can access the values of a list as shown in the following example: List yourList = new List(); yourList. Add(“FirstItem”); string listEntry = yourList[0]; The number between the brackets is the position in the list.

Can I have a list of classes in C#?

A List class can be used to create a collection of any type. For example, we can create a list of Integers, strings and even any complex types. Unlike arrays, a List can grow in size automatically in other words a list can be re-sized dynamically but arrays cannot. List is a generic type.

How do you add numbers in a list in C#?

To add integer values to a list in C#, use the Add() method.

How do you find the value of an item in a list?

To read the value of a specific field in a list item, your code must first get a reference to the Web site on which the list is deployed, then a reference to the list itself, then a reference to the list item, and finally a reference to the specific field.

How do you add a class to an ArrayList object?

For example, to add elements to the ArrayList , use the add() method:

  1. import java. util.
  2. public class Main { public static void main(String[] args) { ArrayList cars = new ArrayList(); cars. add(“Volvo”); cars.
  3. Create an ArrayList to store numbers (add elements of type Integer ): import java. util.

What is a {} in Python?

An empty dictionary without any items is written with just two curly braces, like this: {}. Keys are unique within a dictionary while values may not be. The values of a dictionary can be of any type, but the keys must be of an immutable data type such as strings, numbers, or tuples.

Is list an interface in C#?

The main difference between List and IList in C# is that List is a class that represents a list of objects which can be accessed by index while IList is an interface that represents a collection of objects which can be accessed by index.