Base class pointer, virtual pure virtual function, polymorphism, virtual destructor

350 thousand Unauthorized reproduction is prohibited Understanding the course
Course Introduction
discuss {{interaction.discussNum ? '(' + interaction.discussNum + ')' : ''}}
Suitable for people
I have a certain grasp of C language. I hope to learn C++language or I am familiar with C++98. I hope to learn the new standard of C++11/14/17
You will learn
Need C language foundation, and hope to learn C++language in many aspects, including C++* * standards, to adapt to C++jobs
Course Introduction

 0. Systemic - 51ct0, some words are not allowed to use. png

 1: Course Introduction - Copy.png

 1597736991374039_Copy. png


common problem
Q: Introduction to C Language to C++Application Expert Special Course Address:
Answer: https://edu.51cto.com/topic/1719.html
Q: Address of C Language Introduction to C++Network Communication Architect Special Course
Answer: https://edu.51cto.com/topic/1874.html
Expand more
release
 head portrait

{{ item.user.nick_name }} {{ EROLE_NAME[item.user.identity] }}

Topping note
 Discussion Chart
{{ item.create_time }} reply
  • delete

    Are you sure to delete?

    confirm
    cancel
  • {{item. is_top==1? 'Cancel topping': 'topping'}}

    The discussion that has been set to the top, do you want to replace the existing one?

    confirm
    cancel
{{ tag.text}}
 head portrait
{{ subitem.user.nick_name }} {{ EROLE_NAME[subitem.user.identity] }}
{{ subitem.create_time }} reply
delete

Are you sure to delete?

confirm
cancel
release
{{pageType==='video '?' The discussion area grabs the sofa, and you can get double credits': 'The discussion area is empty, please say two sentences~'}}
release
{{tips.text}}
{{ noteHeaderTitle }} note {{hasMyNote? 'My notes':' Take notes'}}
{{hasMyNote? 'My notes':' Take notes'}}
Quality Notes
Updated on: {{$dayjs. format ('YYYY-MM-DD HH: mm: ss', item.last_uptime*1000) }}
 head portrait
{{ detail.username }}

Public notes are visible to others and have the opportunity to be rated as "high-quality notes" by the administrator

{{ noteEditor.content.length }}/2000

Public Notes
preservation
put questions to

The lecturer will answer your questions as soon as possible. If you choose to ask questions in public, you can get more help from students.

Record time point
Record the time when the video is played when asking questions, so as to facilitate subsequent viewing
Open questions
Submit