bx19刘嘉琦实验4继承与派生

继承与派生.实实实承派 与BX120109掌握派生实的明实实办法声与,定实一基实有姓名、性实、年实～再由基实派生出实实和生实～、实和工个教学教号称实～的～#include<iostream>#include<string>usingnamespacestd;class{stringname;charsex;intage;People(stringname="null",chars='F',intvoid{..}classStudent:publicPeople{intintclasses;stringmajor;intscore;Student(stringname,chars,intn,intnum=0,intclasses=0,stringvoidclassTeacher:publicPeople{intnum;stringgrade;intsalary;Teacher(stringname,chars,intn,intnum=0,stringgrade="null",intvoidshow2();void{..voidTeacher::show2(){}void{刘嘉琦实算机Student刘少中实Teacher}#include<iostream>usingnamespacestd;class{{cout<<"Constructingclass}{cout<<"Destructingclass}.classDog:publicMammal{{cout<<"Constructingclass}{cout<<"Destructingclassvoid{Dog}#include<iostream>usingnamespacestd;class{doublex;doubley;Point(doublex=0.0,doubley=0.0):x(x),y(y){}voidshow(){点}classRentangle:public{..doublelength;doublewidth;Rentangle(doublex,doubley,doublelength=0.0,doubledoublearea(){return}void{的实实实实的矩形面实实;}classCircle:publicPoint{doubleradius;Circle(doublex,doubley,doubledouble{return}void{的半实径的实形的面实实}void{Rentangler(3.5,6.6,4.4,8.8);Circlec(7.2,2.9,4);..}#include<iostream>#include<string>usingnamespacestd;classCircle{doubleradius;Circle(doubleradius=0.0):radius(radius){}voidshow(){实实的面实实,桌}class{doubleheight;stringcolour;Table(doubleheight=0.0,stringvoid{实实的高度实,桌实色实}classRoundtable:publicCircle,publicTable{Roundtable(doubleradius,doubleheight,string..void{}void{实色RoundtableRT(5.83,7.99,"");}#include<iostream>#includeusingnamespacestd;class{stringname;intnum;string刘嘉琦上海实机学Student(stringname="",intnum=0,stringvoidprint(){}classGraduate:publicStudent{..stringstringteac