Building e-Commerce Sites with the .NET Framework

Inheritance

Inheritance allows objects to assume the properties and methods of other objects. Listing A.33 shows a simple C# inheritance example.

Listing A.33. A Simple Inheritance Example

1: using System; 2: 3: class Person{ 4: private string name; 5: private int age; 6: 7: public Person(string name, int age){ 8: this.name = name; 9: this.age = age; 10: } 11: 12: public string Name{ 13: get{ return name;} 14: set{ name = value;} 15: } 16: 17: public int Age{ 18: get{ return age;} 19: set{ age = value;} 20: } 21: } 22: 23: class Employee: Person{ 24: DateTime hireDate; 25: 26: public Employee(string name, int age, DateTime hireDate): 27: base(name, age){ 28: this.hireDate = hireDate; 29: } 30: 31: public DateTime HireDate{ 32: get{ return hireDate.Date;} ...