Sealed class example in C#

Sealed class:A sealed class cannot be inherited.

using System;
public sealed class MyClass 
{
   public int x; 
   public int y;
}
class a : MyClass
{
	public void display()
	{
		System.Console.WriteLine("Hello");
	}
}
class MainClass 
{
   public static void Main() 
   {
      MyClass mC = new MyClass(); 
      mC.x = 110;
      mC.y = 150;
      Console.WriteLine("x = {0}, y = {1}", mC.x, mC.y); 
   }
}

Comments

WAP to calculate the monthly telephone bills as per the following rule: Minimum Rs. 200 for upto 100 calls. Plus Rs. 0.60 per call for next 50 calls. Plus Rs. 0.50 per call for next 50 calls. Plus Rs. 0.40 per call for any call beyond 200 calls.

#include<iostream.h> #include<conio.h> void main() { int calls; float bill; cout<<" Enter number of calls : "; cin>>calls; if (calls<=100) bill=200; else if (calls>100 && calls<=150) { calls=calls-100; bill=200+(0.60*calls); } else if (calls>150 && calls<=200) { calls=calls-150; bill=200+(0.60*50)+(0.50*calls); } else { calls=calls-200; bill=200+(0.60*50)+(0.50*50)+(0.40*calls); } cout<<" Your bill is Rs. "<<bill; getch(); } Output: Enter number of calls : 190 Your bill is Rs.250

C++ Program to define a Class BOOK and accessing member function using its object.

#include<iostream.h> #include<stdio.h> #include<conio.h> class BOOK { int BOOKNO; char BOOKTITLE[20]; float PRICE; void TOTAL_COST( int N) { float tcost; tcost=PRICE*N; cout<<tcost; } public : void INPUT() { cout<<" Enter Book Number "; cin>>BOOKNO; cout<<" Enter Book Title "; gets(BOOKTITLE); cout<<" Enter price per copy "; cin>>PRICE; } void PURCHASE() { int n; cout<<" Enter number of copies to purchase "; cin>>n; cout<<" Total cost is "; TOTAL_COST(n); } }; void main() { BOOK obj; obj.INPUT(); obj.PURCHASE(); getch(); }

Addition of Two Number using servlet and jsp

index.jsp <%@page contentType="text/html" pageEncoding="UTF-8"%> <! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd" > < html > < head > < meta http-equiv ="Content-Type" content ="text/html; charset=UTF-8" > < title > JSP Page </ title > </ head > < body bgcolor ="yellow" > < center >< h1 > Addition of Two Number </ h1 ></ center > < form action =" additionservlet " method ="post" > < table border ="0" width ="100" align ="center" > < tr > < td > First Number </ td > < td >< input type ="text" name ="txtnum1" value ="" /></ td > ...

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