How to minimize all window in Ubuntu / Fedora / Linux (How to show desktop) Keyboard Shortcut)

For Minimizing all opened window , i.e, to show desktop

Press ctrl+atl+D

Car Race Game in C++ and C Graphics

Car Race

//*************************************************************************//
//*************************************************************************//
//       -*-     "Program For Game of Car Racing."     -*-                //
//-------------------------------------------------------------------------//
//       -*-       Language  :-  C-Graphics & C++.     -*-                //
//-------------------------------------------------------------------------//
//       -*-       Compilier :-  Turbo C & C++.        -*-                //
//-------------------------------------------------------------------------//
//      -*-         By- Vikrantsingh Bisen.           -*-                //
//*************************************************************************//
//*************************************************************************//


       //*************************************************//
       //      -*-   Including Header File       -*-      //
       //*************************************************//

#include <iostream.h>
#include <graphics.h>
#include <process.h>
#include <iomanip.h>
#include <stdlib.h>
#include <conio.h>
#include <stdio.h>
#include <time.h>
#include <dos.h>


       //*************************************************//
       //     -*-   Class For Attractive look    -*-      //
       //*************************************************//

Kaun Banega Crorepati Game in C - Graphics and C++

Kaun banega Crorepati

//*************************************************************************//
//*************************************************************************//
//       -*-        "Program For Game of K.B.C."       -*-                //
//-------------------------------------------------------------------------//
//       -*-       Language  :-  C-Graphics & C++.     -*-                //
//-------------------------------------------------------------------------//
//       -*-       Compilier :-  Turbo C & C++.        -*-                //
//-------------------------------------------------------------------------//
//      -*-         By- Vikrantsingh Bisen.           -*-                //
//*************************************************************************//
//*************************************************************************//

       //*************************************************//
       //       -*- Including  Header  File  -*-          //
       //*************************************************//

#include<iostream.h>
#include<graphics.h>
#include<stdlib.h>
#include<conio.h>
#include<time.h>
#include<dos.h>

Hotel / Lodging Management software / program in C C++ and C Graphics

Lodging Management

//*************************************************************************//
//-------------------------------------------------------------------------//
//        -*-    PROGRAM FOR HOTEL (i.e.,Lodging) MANAGEMENT.      -*-    
//-------------------------------------------------------------------------//
//        -*-             Language :- C & C++.       
//-------------------------------------------------------------------------//
//        -*-           Compiler :- Turbo C & C++. 
//-------------------------------------------------------------------------//
//        -*-  Designed by :- Vikrantsingh Bisen
//-------------------------------------------------------------------------//
//*************************************************************************//



/*-------------------------- Header Files -------------------------------*/
#include<iostream.h>
#include<fstream.h>
#include<graphics.h>
#include<process.h>
#include<string.h>
#include<stdio.h>
#include<conio.h>
#include<time.h>
#include<dos.h>
void intro (void);
class Admin;
class customer;
class Staff;
class Extra;
class Room;

Medical Shop Automation Software / Program in C C++ and C Graphics with Mouse Programing

Tested with : Windows XP and turbo C Compiler

 

 

Medical Shop Automation

//************************************************************************
//------------------------------------------------------------------------------------------
//                                                                       
//                -*-    VIRTUAL SOFTWARE MACHINE     -*-                
//                                                                       
//------------------------------------------------------------------------------------------
//        -*- Language.: C & C++. -*- Compiler.: Turbo C & C++.  -*-     
// -*- Designed by.: Vikrantsingh.M.Bisen [vikrantsingh.it@gmail.com] -*-
//------------------------------------------------------------------------------------------
//************************************************************************

//************************************************************************
//             -*-      Including Header File         -*-                
//************************************************************************

#include<iostream.h>
#include<graphics.h>
#include<iomanip.h>
#include<process.h>
#include<fstream.h>
#include<string.h>
#include<stdlib.h>
#include<stdio.h>
#include<conio.h>
#include<math.h>
#include<time.h>
#include<dos.h>


//************************************************************************//
//            -*-     CLASSES IN THE PROGRAM         -*-                  //
//************************************************************************//
class Home;
class Display;
class Admin;
class Database;
class Bill;
class CRM;

how to make a bootable perndrive Operating system (OS)

Insert Pen-drive, Open command prompt and type following command one after another.


  1. diskpart

  2. list disk

  3. select disk X

  4. clean

  5. create partition primary

  6. format fs=fat32 quick

  7. active

  8. assign

  9. exit

Now copy your operating system to pendrive.

(Avoid burning  CD/DVD for  every os...... use bootable pendrive, Goo Greennn)

How to create Extensible Application in Java

import java.io.* ;

class Store {
    int x ;

    void write(String data) {
        x = 10 ;
    }

    String read( ) {
        x = 10 ;
        return "Cannot read." ;
    }
}

class FileStore extends Store {

    int y ;

    void write ( String data ) {
        System.out.println ( data + " written to the file" ) ;
    }

    String read( ) {
        return "Hello read from the file" ;
    }
}

class DatabaseStore extends Store {

    int z ;

    void write ( String data ) {
        System.out.println ( data + " written to the database" ) ;
    }
}

class DynamicArray {
    String items[ ] = new String[0] ;

    void add ( String item ) {
        String temp[] = new String[items.length+1] ;
        for ( int i = 0 ; i < items.length ; i++ ) {
            temp[i] = items[i] ;
        }
        items = temp ;
        items[items.length-1] = item ;
    }
   
    int getCount( ) {
        return items.length ;
    }

    String getItem ( int index ) {
        return items[index] ;
    }
}

class UserInteraction {
    Store takeInput( ) {
        DynamicArray names = new DynamicArray( ) ;
        try {
        File f = new File(".") ; // current directory
        String[] files = f.list( ) ; // get all the files
        for ( int i = 0 ; i < files.length ; i++ )  {
            if ( files[i].contains(".class") ) { // get only .class files
                Class c = Class.forName ( files[i].split(".class")[0] ) ;
                if ( c.getSuperclass().getName().equals( "Store" ) ) 
                    names.add ( files[i].split(".class")[0] ) ;
            }

        }

        // Display the menu....
        for ( int i = 0 ; i < names.getCount() ; i++ ) {
            System.out.println ( (i+1) + ": " + names.getItem(i) ) ;
        }

        java.util.Scanner scan = new java.util.Scanner(System.in) ;
        int choice = scan.nextInt() ;

        Class c = Class.forName ( names.getItem(choice-1)) ;
        return (Store) c.newInstance( ) ;
        } catch ( Exception ex ) {
            System.out.println ( ex ) ;
            return null ;
        }
    }
}

class Program { 
    public static void main ( String[] args )  {
        UserInteraction ui = new UserInteraction( ) ;
        Store  f =     ui.takeInput( ) ;
        f.write ( "Hello" ) ;
        String item = f.read( ) ;
        System.out.println ( item ) ;
    }
}

---

class XMLStore extends Store {
    void write ( String data ) {
        System.out.println ( data + " written to XML file." ) ;
    }
    String read( ) {
        return "Hello read from the XML file" ;
    }
}