A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_URI::$config is deprecated
Filename: core/URI.php
Line Number: 101
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Router::$uri is deprecated
Filename: core/Router.php
Line Number: 127
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$benchmark is deprecated
Filename: core/Controller.php
Line Number: 82
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$hooks is deprecated
Filename: core/Controller.php
Line Number: 82
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$config is deprecated
Filename: core/Controller.php
Line Number: 82
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$log is deprecated
Filename: core/Controller.php
Line Number: 82
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$utf8 is deprecated
Filename: core/Controller.php
Line Number: 82
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$uri is deprecated
Filename: core/Controller.php
Line Number: 82
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$exceptions is deprecated
Filename: core/Controller.php
Line Number: 82
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$router is deprecated
Filename: core/Controller.php
Line Number: 82
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$output is deprecated
Filename: core/Controller.php
Line Number: 82
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$security is deprecated
Filename: core/Controller.php
Line Number: 82
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$input is deprecated
Filename: core/Controller.php
Line Number: 82
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$lang is deprecated
Filename: core/Controller.php
Line Number: 82
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$db is deprecated
Filename: core/Loader.php
Line Number: 396
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_DB_mysqli_driver::$failover is deprecated
Filename: database/DB_driver.php
Line Number: 371
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: Trying to access array offset on true
Filename: libraries/Email.php
Line Number: 978
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$email is deprecated
Filename: core/Loader.php
Line Number: 1283
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Return type of CI_Session_files_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 295
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Return type of CI_Session_files_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 169
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Return type of CI_Session_files_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 238
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Return type of CI_Session_files_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 318
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Return type of CI_Session_files_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 359
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 282
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 289
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 304
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 314
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 315
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 316
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 317
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 375
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 110
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: session_start(): Session cannot be started after headers have already been sent
Filename: Session/Session.php
Line Number: 143
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$session is deprecated
Filename: core/Loader.php
Line Number: 1283
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Blogs::$user_model is deprecated
Filename: core/Loader.php
Line Number: 358
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/User.php
Line: 7
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 8
Function: __construct
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$load is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$pgmodule is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$benchmark is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$hooks is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$config is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$log is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$utf8 is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$uri is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$exceptions is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$router is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$output is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$security is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$input is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$lang is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$db is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$email is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/biognosy/skmlhometuitions.in/application/controllers/Blogs.php
Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
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Backtrace:
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Line: 234
Function: view
File: /home1/biognosy/skmlhometuitions.in/index.php
Line: 315
Function: require_once
Introduction to Object Oriented Programming Concepts in C# | Post Details - SKML Home Tuitions
Inheritance and its types in C#
Inheritance is an important pillar of OOP(Object Oriented Programming). It is the mechanism in C# by which one class is allowed to inherit the features(fields and methods) of another class.
Important terms in inheritance:
· Super Class: The class whose features are inherited is known as super class(or a base class or a parent class).
· Sub Class: The class that inherits the other class is known as subclass(or a derived class, extended class, or child class). The subclass can add its own fields and methods in addition to the superclass fields and methods.
· Reusability: Inheritance supports the concept of “reusability”, i.e. when we want to create a new class and there is already a class that includes some of the code that we want, we can derive our new class from the existing class. By doing this, we are reusing the fields and methods of the existing class.
Syntax:
Class derived-class: base-class
{
// methods and fields
}
Example:
using System;
namespace InterfaceExample {
// Base class
class ParentClass {
// data members
public string name;
public string subject;
// public method of base class
public void readers(string name, string subject)
{
this.name = name;
this.subject = subject;
Console.WriteLine("My name is: " + name);
Console.WriteLine("My Favorite Subject is: " + subject);
}
}
// inheriting the ParentClass class using : (colon)
class ChildClass : ParentClass {
// constructor of derived class
public ChildClass()
{
Console.WriteLine("Welcome");
}
}
// Main class
class Program {
// Main Method
static void Main(string[] args)
{
// creating object of derived class
ChildClass obj = new ChildClass();
// calling the method of base class
// using the derived class object
obj.readers("Parth", "C#");
}
}
}
Output :
Welcome
My name is: Parth
My Favorite Subject is: C#
Types of Inheritance in C#
1. Single Inheritance: In single inheritance, subclasses inherit the features of one superclass. In image below, the class A serves as a base class for the derived class B.
2. Multilevel Inheritance: In Multilevel Inheritance, a derived class will be inheriting a base class and as well as the derived class also act as the base class to other class. In below image, class A serves as a base class for the derived class B, which in turn serves as a base class for the derived class C.
3. Hierarchical Inheritance: In Hierarchical Inheritance, one class serves as a superclass (base class) for more than one subclass. In below image, class A serves as a base class for the derived class B, C, and D.
4. Multiple Inheritance(Through Interfaces): In Multiple inheritance, one class can have more than one superclass and inherit features from all parent classes. Please note that C# does not support multiple inheritance with classes. In C#, we can achieve multiple inheritance only through Interfaces. In the image below, Class C is derived from interface A and B.
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