C ++ primer Reading Notes 1

I Love Tiananmen, Beijing

Sun rises on Tiananmen

Great leader Chairman Mao

Guide us forward

<P class = "msonormal" style = "margin: 0 cm 0 cm 0pt"> <span style = "font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman' "> note range: introduction and </span> <SPAN lang = "en" style = "font-size: 15pt"> 1.1 </span> <span style = "font-size:
15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman '"> section </span> <SPAN lang =" en "style =" font-size: 15pt "> <? XML: namespace prefix = o ns = "urn: Schemas-Microsoft-com: Office: office"/> <O: P> </O: p> </span> </P> <p
Class = "msonormal" style = "margin: 0 cm 0 cm 0pt"> <SPAN lang = "en" style = "font-size: 15pt"> <O: P> & nbsp; </O: P> </span> </P> <P class = "msonormal" style = "margin: 0 cm 0 cm 0pt"> <span style = "font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family:
'Times new Roman '"> due to my previous reading habits, I held a slight attitude towards the beginning of this book. I think it is just a nonsense like the opening remarks. It turns out that I am wrong. In less than four pages. The author points out several incorrect ideas before reading this book, </span> <SPAN lang = "en" style = "font-size: 15pt "> <O: P> </span> </P> <P class =" msonormal "style =" margin: 0 cm 0 cm 0pt "> <span style =" font-size:
15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman' "> 1: for </span> <SPAN lang = "en" style = "font-size: 15pt"> OOP </span> <span style = "font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman ';
MSO-Hansi-font-family: 'times new Roman '">, here I have to point out that encapsulation is used as </span> <SPAN lang = "en" style = "font-size: 15pt "> OOP </span> <span style =" font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; one of the unique characteristics of MSO-Hansi-font-family: 'times new Roman '> makes many people </span> <Span
Lang = "en" style = "font-size: 15pt"> (</span> <span style = "font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman '"> include mE </span> <SPAN lang =" en "style =" font-size: 15pt ">) </span> <span style = "font-size: 15pt;
Font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman '"> indicates that a </span> <SPAN lang =" en "style =" font-size: 15pt "> class </span> <span style =" font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family:
'Times new Roman '"> enter </span> <SPAN lang =" en "style =" font-size: 15pt "> OOP </span> <span style =" font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman '"> This Book clearly states that data encapsulation is only characteristic of objects. Yes </span> <SPAN lang = "en"
Style = "font-size: 15pt"> ADT </span> <span style = "font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman' "> result, the design method is based on objects (</span> <SPAN lang = "en" style = "font-size: 15pt"> Object Based </span> <Span
Style = "font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman '">), no </span> <SPAN lang =" en "style =" font-size: 15pt "> inheritance </span> <span style =" font-size: 15pt; font-family:; MSO-ascii-font-family:
'Times new Roman '; MSO-Hansi-font-family: 'times new Roman '"> mechanism and </span> <SPAN lang =" en "style =" font-size: 15pt "> dynamic binding </span> <span style =" font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new
The expansion of Roman '"> (dynamic binding) cannot be mentioned at all </span> <SPAN lang =" en "style =" font-size: 15pt "> OOP </span> <span style =" font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman '">. </Span> <SPAN lang = "en" style = "font-size: 15pt"> <O: P> </span> </P>
<P class = "msonormal" style = "margin: 0 cm 0 cm 0pt"> <span style = "font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman' "> second: for </span> <SPAN lang = "en" style = "font-size: 15pt"> C ++ </span> <span style = "font-size:
15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman' ">. </Span> <SPAN lang = "en" style = "font-size: 15pt"> C ++ </span> <span style = "font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman ';
MSO-Hansi-font-family: 'times new Roman '"> is a language that integrates multiple design methods. We use it as a </span> <SPAN lang = "en" style = "font-size: 15pt "> OOP </span> <span style =" font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman '"> language to learn </span> <Span
Lang = "en" style = "font-size: 15pt"> C ++ </span> <span style = "font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman '"> it is understood as a class </span> <SPAN lang =" en "style =" font-size: 15pt "> C </span> <span style =" font-size:
15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman' ">, I personally think that a serious problem caused by this incorrect opinion is that we bring </span> <SPAN lang = "en" style = "font-size: 15pt "> C </span> <span style =" font-size: 15pt; font-family:; MSO-ascii-font-family:
'Times new Roman '; MSO-Hansi-font-family: 'times new Roman '"> to learn </span> <SPAN lang =" en "style =" font-size: 15pt "> C ++ </span> <span style =" font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman' "> so that we use </span> <Span
Lang = "en" style = "font-size: 15pt"> C ++ </span> <span style = "font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman' "> things. For example, </span> <SPAN lang = "en" style = "font-size: 15pt"> class </span> <span style = "font-size:
15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman' ">. </Span> <SPAN lang = "en" style = "font-size: 15pt"> I/O </span> <span style = "font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family:
'Times new Roman '"> stream, but our idea is still </span> <SPAN lang =" en "style =" font-size: 15pt "> C </span> <span style =" font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman '">, which makes it unacceptable </span> <SPAN lang =" en "style =" font-size:
15pt "> OOP </span> <span style =" font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman '"> and other design methods; this makes me think that learning </span> <SPAN lang = "en" style = "font-size: 15pt "> C ++ </span> <span style =" font-size: 15pt; font-family:
; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman' ">, not Required </span> <SPAN lang = "en" style = "font-size: 15pt"> C </span> <span style = "font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family:
'Times new Roman '"> the true and rational views are more convinced. </span> <SPAN lang =" en "style =" font-size: 15pt "> <O: p> </O: P> </span> </P> <P class = "msonormal" style = "margin: 0 cm 0 cm 0pt "> <span style =" font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family:
'Times new Roman '"> 3: understanding of programming habits. In </span> <SPAN lang = "en" style = "font-size: 15pt"> 1.1 </span> <span style = "font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: the author raises a question in the 'times new Roman '> section. Instead of "</span> <Span
Lang = "en" style = "font-size: 15pt"> Hello World </span> <span style = "font-size: 15pt; font-family:; MSO-ascii-font-family: 'times new Roman '; MSO-Hansi-font-family: 'times new Roman' ">. As a matter of fact, I have always opposed the habit of learning a language. Just like this book, I start with thinking and face any problem with a engineering attitude, here, the author puts forward the idea of separation, governance, and refinement. This benefit is immeasurable for beginners who have not yet developed bad habits. </Span> <Span
Lang = "en" style = "font-size: 15pt"> <span style = "MSO-tab-count: 1"> & nbsp; </span>. <O: P> </span> </P> <p> & nbsp; </P>