. NET Learning notes----2015-07-16 (C # Basics review 02)

Review of inheritance

Effectively solve code redundancy, achieve polymorphism: Increase code scalability, ease of maintenance

1, single-sex

2, Transmission of

The subclass does not inherit the constructor of the parent class, but instead calls the parent class's parameterless constructor by default

    classProgram {Static voidMain (string[] args) {        }    }     Public classPerson {//Public Person ()//{ }         PublicPerson (stringNameintAgeChargender) { }         Public stringName {Get;Set; }  Public intAge {Get;Set; }  Public CharGender {Get;Set; }  Public voidChlss () {}} Public classStudent:person {//call the constructor of the parent class in the subclass, using the keyword base         PublicStudent (stringNameintAgeCharGenderintID):Base(name, age, gender) { This. ID =ID; }        //Automatic Properties         Public intID {Get;Set; }  Public voidChlss () {}} Public classTeacher:person { PublicTeacher (stringNameintAgeCharGenderDoublesalary):Base(name, age, gender) { This. Salary =salary; }         Public DoubleSalary {Get;Set; }  Public voidChlss () {}}

. NET Learning Note----2015-07-16 (C # Foundation Review)