Basic Arithmetic in C#

 

Machine Problem

Write a C# sharp program that will ask two integers,and display it's sum , difference , product ,quotient and remainders .

  I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me at the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.






Program Listing

Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

/* Prof. Jake Rodriguez Pomperada, MAED-IT, MIT
 * www.jakerpomperada.com and www.jakerpomperada.blogspot.com
 * jakerpomperada@gmail.com 
 
 * Machine Problem
  Write a C# sharp program that will ask two integers 
  and display it's sum , difference , product ,quotient and remainders . */

 
namespace Basic_Arithmetic
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Write("\n\n");
            Console.Write("\tBasic Arithmetic in C# ");
            Console.Write("\n\n");
            Console.Write("\tGive First Value : ");
            int val_1 = Convert.ToInt32(Console.ReadLine());

            Console.Write("\tGive Second Value : ");
            int val_2 = Convert.ToInt32(Console.ReadLine());

            Console.Write("\n");
            Console.Write("\tDisplay Results ");
            Console.Write("\n\n");
            Console.WriteLine("\t{0} + {1} = {2}", val_1, val_2, val_1 + val_2);
            Console.WriteLine("\t{0} - {1} = {2}", val_1, val_2, val_1 - val_2);
            Console.WriteLine("\t{0} x {1} = {2}", val_1, val_2, val_1 * val_2);
            Console.WriteLine("\t{0} / {1} = {2}", val_1, val_2, val_1 / val_2);
            Console.WriteLine("\t{0} mod {1} = {2}", val_1, val_2, val_1 % val_2);
            Console.ReadKey();
        }
    }
}

One-Dimensional Array in C

One-Dimensional in Array in C

 A simple program that demonstrates a one-dimensional array in the C programming language.

  I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me at the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.




Program Listing

/* one_dimensional_array.c
   Prof. Jake Rodriguez Pomperada, MAED-IT, MIT
   www.jakerpomperada.blogspot.com and www.jakerpomperada.com
   jakerpomperada@gmail.com
   Bacolod City, Negros Occidental Philippines.
*/


#include <stdio.h>

int main()
{
    int arr[7],a=0;

    printf("\n\n");
	printf("\tOne Dimensional Array in C");
	printf("\n\n");
    for(a=0; a < 7; a++)
    {
        printf("\tGive Value in a[%d]: ", (a+1));
        scanf("%d", &arr[a]);
    } 

    printf("\n\n");
    printf("\tList of elements of the array: \n\n");
    printf("\t");
    for(a = 0; a < 7; a++)
    {
        printf("%d ", arr[a]);
    }
	printf("\n\n");
	printf("\tEnd of Program");
	printf("\n\n");
       
    return 0;
}

Employee's Contact Details System in C

Employee's Contact Details System in C

 A simple employees contact details system in C programming language.

  I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me at the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.




Program Listing
/*employees_details.c
 Authors   : Jake R. Pomperada,MAED-IT, MIT
 Emails    : jakerpomperada@gmail.com 
 Tool      : Dev C++ Version 5.11
 Date     :  November 1, 2021  Monday  9:53 AM
 */

#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <ctype.h>
#include <string.h>

main( )
{
	FILE  *fp, *ft ;
	char  another, choice ;
	struct employees
	{
		char  emp_id[200];
		char  name[200];
		char  sex;
		char  address[200];
		char  telephone[200];
		char  mobile[200];
		char  email[200];
		
	};

	struct employees info ;
	char employee_id[200];
	int flag=0;

	long int  recsize ;
	fp = fopen ("RECORDS.DAT", "rb+" ) ;

	if ( fp == NULL )
	{
		fp = fopen ("RECORDS.DAT", "wb+" ) ;

		if ( fp == NULL )
		{
			puts ("Cannot open file" ) ;
			exit(0) ;
		}
	}

	recsize = sizeof ( info ) ;

	while (1)
	{
        system("CLS");
        printf("\n");
        printf("\n\t===========================================");
        printf("\n\tEMPLOYEES CONTACT DETAILS SYSTEM IN C ");
        printf("\n\t\t\tCreated By");
        printf("\n\t   Jake R. Pomperada, MAED-IT, MIT");
        printf("\n\t===========================================");
		printf("\n\n");
		printf ( "\t1. ADD EMPLOYEE'S RECORD") ;
		printf("\n");
		printf ( "\t2. DISPLAY EMPLOYEE'S RECORD" ) ;
		printf("\n");
		printf ( "\t3. UPDATE EMPLOYEE'S RECORD" ) ;
		printf("\n");
		printf ( "\t4. SEARCH EMPLOYEE'S RECORD" ) ;
		printf("\n");
		printf ( "\t5. DELETE EMPLOYEE'S RECORD" ) ;
		printf("\n");
		printf ( "\t6. QUIT PROGRAM" );
		printf("\n\n\n");
		printf ("\tSELECT YOUR CHOICE : ") ;
		fflush (stdin) ;
		choice = getche() ;
		switch (choice)
		{
			case '1' :
				fseek (fp, 0 ,SEEK_END) ;
				another = 'Y' ;
				while ( another == 'Y' )
				{
					system("cls");
					printf("\n\n");
                    printf("\t=== Add New Employee's Record in the Database ===");
                    printf("\n\n");
					printf("\tEnter Employees ID Number    : ");
					scanf("%s",&info.emp_id);
					printf("\tEnter Employee's Name        : ");
					fflush(stdin);
					gets(info.name);
					printf("\tEnter Gender M/F             : ") ;
                    info.sex = toupper(getche());
                    printf("\n");
                    printf("\tEnter Home Address           : ");
                    fflush(stdin);
					gets(info.address);
					printf("\tEnter Telephone Number       : ");
                    fflush(stdin);
					gets(info.telephone);
					printf("\tEnter Mobile Number          : ");
                    fflush(stdin);
					gets(info.mobile);
					printf("\tEnter Email Address          : ");
					fflush(stdin);
					gets(info.email);
			    	fwrite (&info, recsize, 1, fp ) ;
					printf("\n\n");
					printf ("\n\tAdd another Record (Y/N)  : ") ;
					fflush (stdin) ;
					another = toupper(getche()) ;
				}

				break ;

			case '2' :
			    system("cls");
				rewind (fp);
				printf("\n\n");
                printf("\t=== View Employee's Records in the Database ===");
                printf("\n");
		while ( fread ( &info, recsize, 1, fp ) == 1 )
         {
		    printf("\n\tEmployee's ID Number  : %s",info.emp_id);
	        printf("\n\tEmployee's Name       : %s",info.name);
		    printf("\n\tGender                : %c",info.sex);
		    printf("\n\tHome Address          : %s",info.address);
		    printf("\n\tTelephone Number      : %s",info.telephone);
		    printf("\n\tMobile Number         : %s",info.mobile);
		    printf("\n\tEmail Address         : %s",info.email);
	        printf("\n\n");
        }
            system("pause");
            break ;

			case '3' :
               rewind (fp);
				another = 'Y' ;
				while (another == 'Y')
				{
                    system("cls");
                    printf("\n\n");
                    printf("\t=== Update Employee's Records in the Database ===");
                    printf("\n\n");
				    printf("\tEnter Employee's ID Number    : ");
					scanf("%s",&employee_id);
					printf("\n");
					rewind (fp) ; 
					while (fread( &info, recsize, 1, fp ) == 1 )
					{
                    if ( strcmp (info.emp_id, employee_id ) == 0 )
                    {
                    printf("\tEnter Employee's ID Number    : ");
					scanf("%s",&info.emp_id);
					printf("\tEnter Employee's Name         : ");
					fflush(stdin);
					gets(info.name);
					printf("\tEnter Gender M/F              : ") ;
                    info.sex = toupper(getche());
                    printf("\n");
                    printf("\tEnter Home Address            : ");
                    fflush(stdin);
					gets(info.address);
					printf("\tEnter Telephone Number        : ");
                    fflush(stdin);
					gets(info.telephone);
					printf("\tEnter Mobile Number           : ");
                    fflush(stdin);
					gets(info.mobile);
					printf("\tEnter Email Address           : ");
					fflush(stdin);
					gets(info.email);
                    printf("\n\n");
                    printf("\tEmployee's records has been updated in the database.");
                    printf("\n\n");
                    system("pause");
					fseek ( fp, - recsize, SEEK_CUR ) ;
					fwrite ( &info, recsize, 1, fp ) ;
					break ;
                    }
                }
             if (strcmp(info.emp_id,employee_id) != 0 )
                    {
                        printf("\n\n");
                        printf("\tNo Record in the Database.");
                        printf("\n");
                        system("pause");
                        break;
                    }
                    printf("\n\n");
					printf ("\n\tUpdate Another Record (Y/N) : " ) ;
					fflush (stdin) ;
					another = toupper(getche());
				}
				break ;
	case '4' :
                rewind (fp);
				another = 'Y' ;
				while ( another == 'Y' )
				{
                  	system("cls");
					printf("\n\n");
                    printf("\t=== Search Employee's Records in the Database ===");
                    printf("\n\n");
				    printf("\tEnter Employee's ID Number     : ");
					scanf("%s",&employee_id);
				    rewind (fp) ;
				    printf("\n");
					while (fread( &info, recsize, 1, fp ) == 1 )
					{
						if (strcmp(info.emp_id,employee_id) == 0 )
						{
                        printf("\n\tEmployee's ID Number  : %s",info.emp_id);
	        			printf("\n\tEmployee's Name       : %s",info.name);
		   			    printf("\n\tGender                : %c",info.sex);
		   			    printf("\n\tHome Address          : %s",info.address);
		   				printf("\n\tTelephone Number      : %s",info.telephone);
		    			printf("\n\tMobile Number         : %s",info.mobile);
		    			printf("\n\tEmail Address         : %s",info.email);
                        printf("\n\n");
                        system("pause");
                        break;
               		}
				}

            if (strcmp(info.emp_id,employee_id) != 0 )
                    {
                        printf("\n");
                        printf("\tSorry No Record Found in the Database.");
                        printf("\n\n");
                        system("pause");
                        break;
                    }
                    printf("\n");
					printf ("\n\tSearch Another Employee's Record? (Y/N) : " ) ;
					fflush (stdin) ;
					another = toupper(getche());
				}
				break ;

			case '5' :
				another = 'Y' ;
				while ( another == 'Y' )
				{
					system("cls");
					flag=0; 
					printf("\n\n");
                    printf("\t=== Delete Employee's Records in the Database ===");
                    printf("\n\n");
					printf("\tEnter Employee's ID Number      : ");
					scanf("%s",&employee_id);
					printf("\n");
    				ft = fopen ("TEMP.DAT", "wb") ;
					rewind (fp) ;
					while (fread (&info, recsize, 1, fp) == 1 )
					{
						if (strcmp(info.emp_id, employee_id) != 0 )
							fwrite(&info, recsize, 1, ft ) ;
						else
                            flag=1;
					}
					fclose (fp) ;
					fclose (ft) ;
					remove ("RECORDS.DAT") ;
					rename ("TEMP.DAT", "RECORDS.DAT") ;
					fp = fopen ("RECORDS.DAT", "rb+") ;
                  if(flag==1) {
                        printf("\n\n");
                        printf("\tRecord Successfully Deleted From the Database.");
                        printf("\n\n");
                        system("pause");
                    }
					else if (flag!=1) {
                        printf("\n\n");
                        printf("\tSorry Record Not Found in the Database.");
                        printf("\n\n");
                        system("pause");
                    }
                        printf("\n\n");
                        printf( "\tDelete Another Employee's Record? (Y/N) " ) ;
                        fflush ( stdin ) ;
                        another = toupper(getche());
				}
				break ;
			case '6' :
				fclose (fp) ;
				printf("\n\n");
				printf("\t\tThank You For Using This Program !!!   ");
				printf("\n\n");
				system("PAUSE");
				exit(0);
		}
	}
} /* End of the Code */

Uppercase Consonants in C#

Uppercase Consonants in C#

 A simple program that will ask the user to give a string and then the program will uppercase the consonants in a given string using C# programming language.

  I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me at the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.




Program Listing
Program.cs
using System;

public class Program
{
  public static void Main()
  {
    Console.Write("\n");
    Console.Write("\tUppercase Consonants in C#");
    Console.Write("\n\n");
    Console.Write("\tEnter a string: ");
    string input = Console.ReadLine();

    Console.Write("\n\n");
    Console.Write("\tGiven String : " + input);
    Console.Write("\n\n");
    Console.Write("\tThe Result: ");
    foreach (char ch in input)
    {
      PrintChar(ch);
    }

    Console.Write("\n\n");
    Console.Write("\tEnd of Program");
    Console.Write("\n");
    Console.ReadKey();
  }
     
  public static void PrintChar(char ch)
  {
    ConsoleColor old_color = Console.ForegroundColor;

    if (ch.IsConsonant())
    {

      Console.ForegroundColor = ConsoleColor.Yellow;
      Console.Write(Char.ToUpper(ch));
      Console.ForegroundColor = old_color;
    }
    else
      Console.Write(ch);
  }
}


Characterextensions.cs
using System;

public static class CharacterExtensions
{
  public static bool IsConsonant(this char ch)
  {
    const string consonants = "BCDFGHJKLMNPQRSTVWXYZ";

    return consonants.IndexOf(Char.ToUpper(ch)) != -1;
  }
}