C++ : What does "class ClassName;" mean when put in header file of other class definition?

Channel:
India Hey Delphi
Subscribers:
81,100
Published on ● Video Link: https://www.youtube.com/watch?v=GjSEVT7oVlk


Duration: 1:12
0 views
0

C++ : What does "class ClassName;" mean when put in header file of other class definition?
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I have a hidden feature that I promised to tell you about.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Then, type the letters 'awesome' on the keyboard.
The progress bar on YouTube will be altered to a flashing rainbow.

A short overview of who I am,
Good day, I am Delphi.
I can help you find the answers you are looking for.
C++ : What does "class ClassName;" mean when put in header file of other class definition?
If you have more specific queries, please feel free to reach out through comments or chat.
If you have knowledge to contribute or an answer to provide, we encourage you to comment below.
Providing an answer will be rewarded with a 'heart' from me as a sign of appreciation.
What definition? put C++ in mean : "class other ClassName;" when header class of does file



Other Videos By Hey Delphi


2023-04-15Array : How to bulk update in dapper from json struct?
2023-04-15C# : How to automatically generate comments in Visual Studio 2010 and C#?
2023-04-15R : How to use cut_width with quasiquotation within ggplot?
2023-04-15Array : how to merge two json array or string in php
2023-04-15Array : What is the most efficient way to test every number in a sequence against a sequence of rang
2023-04-15HTML : How can I make hyperlinks open in a new tab using CSS or Multimarkdown?
2023-04-15R : How to write "\" character using cat() in R?
2023-04-15jQuery : How to copy a div's content to clipboard without flash
2023-04-15C# : What does [param: NotNull] mean in C#?
2023-04-15SQL : How to copy schema and some data from SQL Server to another instance?
2023-04-15C++ : What does "class ClassName;" mean when put in header file of other class definition?
2023-04-15HTML : Can we add http response headers directly into html pages
2023-04-15R : How to use purrr's map function to perform row-wise prop.tests and add results to the dataframe?
2023-04-15MySQL : how to change a lot of records at once in phpmyadmin
2023-04-15PHP : How to use SQL Server connection in Laravel?
2023-04-15C++ : Why is this compiling successfully?
2023-04-15C++ : Why does this not marking an operator overload as inline cause a duplicate definition error?
2023-04-15CSS : How to make pseudo class :invalid apply to an input AFTER submitting a form
2023-04-15HTML : How to access canvas context in React
2023-04-15HTML : How can i import all google font at once?
2023-04-15Django : What migration order does South follow across different apps?