A Base Class and a Class to Illustrate Its Use - CSharp Custom Type

CSharp examples for Custom Type:Inheritance

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Description

A Base Class and a Class to Illustrate Its Use

Demo Code

using System;/*from  w  w  w .  java 2  s  .co m*/
using System.Text;
class Person
{
   private string firstName;
   private string middleName;
   private string lastName ;
   private int    age;
   // ToDo: Add properties to access the data members
   public Person()
   {
   }
public Person(string fn, string ln)
{
   firstName = fn;
   lastName = ln;
}
public Person(string fn, string mn, string ln)
{
   firstName = fn;
   middleName = mn;
   lastName = ln;
}
public Person(string fn, string mn, string ln, int a)
{
   firstName = fn;
   middleName = mn;
   lastName = ln;
   age = a;
}
public void displayAge()
{
   Console.WriteLine("Age {0}", age);
}
public void displayFullName()
{
   StringBuilder FullName = new StringBuilder();
   FullName.Append(firstName);
   FullName.Append(" ");
   if( middleName != "" )
   {
      FullName.Append(middleName[0]);
      FullName.Append(". ");
   }
   FullName.Append(lastName);
   Console.WriteLine(FullName);
}
}
class NameApp
{
public static void Main()
{
   Person me = new Person("A", "B", "C");
   Person myWife = new Person("D", "E", "F", 21);
   me.displayFullName();
   me.displayAge();
   myWife.displayFullName();
   myWife.displayAge();
}
}

Result


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