Applications of C Programming Language

Lower Case Vowels in C++

Lower Case Vowels in C++

  A program that will ask the user to give a string and then the program will lower case the vowels in the given string using C++ programming language.

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Program Listing

#include <iostream>
#include <string>
#include <cctype>

using namespace std;

int main() {
    string input;
    cout  << "\n\n";
    cout << "\tLower Case Vowels in C++\n\n";
    cout << "Enter a string: ";
    getline(cin, input);
    
    for(int i = 0; i < input.length(); i++) {
        char c = input[i];
        if(isupper(c) && (c == 'A' || c == 'E' || c == 'I' 
                    || c == 'O' || c == 'U')) {
            input[i] = tolower(c);
        }
    }
    cout  << "\n\n";
    cout << "Modified string: " << input << endl;
    
    return 0;
}

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Upper Case Vowels in C++

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

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My mobile number here in the Philippines is 09173084360.
Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
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You can buy my book in introduction to computer networking at 
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Program Listing
#include <iostream>
#include <string>
#include <cctype>

using namespace std;

int main() {
    string input;
    cout  << "\n\n";
    cout << "\tUpper Case Vowels in C++\n\n";
    cout << "Enter a string: ";
    getline(cin, input);
    
    for(int i = 0; i < input.length(); i++) {
        char c = input[i];
        if(islower(c) && (c == 'a' || c == 'e' || c == 'i' 
                    || c == 'o' || c == 'u')) {
            input[i] = toupper(c);
        }
    }
    cout  << "\n\n";
    cout << "Modified string: " << input << endl;
    
    return 0;
}

Display Leap Year 1900 To 2023 Using List Box in Visual Basic NET

Display Leap Year 1900 To 2023 Using List Box in Visual Basic NET

 A program that I wrote using Microsoft Visual Basic NET to display leap years from 1900 To 2023 Using List Box.

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My mobile number here in the Philippines is 09173084360.
Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================

You can buy my C++ book online at  

https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/

You can buy my book in introduction to computer networking at 
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking

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Program Listing

Public Class Form1

    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        Dim startYear As Integer = 1900
        Dim endYear As Integer = 2023

        For y As Integer = startYear To endYear
            If Date.IsLeapYear(y) Then
                Dim x As Integer
                For x = y To endYear Step 4
                    If Not Date.IsLeapYear(x) Then Exit For
                    ListBox1.Items.Add(x)
                Next
                If x = endYear Then
                    Exit For
                Else
                    y = x
                End If
            End If
        Next
    End Sub
End Class

String Palindrome in Go

String Palindrome in Go

 A program written in Go programming language to check if the given string is a palindrome or not.

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.
Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================

You can buy my C++ book online at  

https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/

You can buy my book in introduction to computer networking at 
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking

Want to support my channel?
GCash Account
Jake Pomperada

09173084360

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Thank you very much for your support.




Program Listing
package main

import (
    "fmt"
    "strings"
)

func isPalindrome(str string) bool {
    // Convert string to lowercase and remove whitespace
    str = strings.ToLower(strings.ReplaceAll(str, " ", ""))
    for i := 0; i < len(str)/2; i++ {
        if str[i] != str[len(str)-i-1] {
            return false
        }
    }
    return true
}

func main() {
    input := "Radar"
    if isPalindrome(input) {
        fmt.Println(input, "is a palindrome")
    } else {
        fmt.Println(input, "is not a palindrome")
    }
}

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History of C Language

Square a Number in Perl

Square a Number in Perl

 A program to compute the square value of the given number using Perl programming language.

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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.
Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================

You can buy my C++ book online at  

https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/

You can buy my book in introduction to computer networking at 
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking

Want to support my channel?
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Program Listing
my $num = 5;
my $squared = $num ** 2;

print "\n\n";
print "\tSquare a Number in Perl\n\n";
print "\tThe square of $num is $squared.\n";

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Square a Number in C#

Square a Number Using C#

 A program that will ask the user to give a number and then the program will square the given number by the user 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.
Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================

You can buy my C++ book online at  

https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/

You can buy my book in introduction to computer networking at 
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking

Want to support my channel?
GCash Account
Jake Pomperada

09173084360

Paypal
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Patreon
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Thank you very much for your support.




Program Listing
using System;

class Square {
  static void Main() {
    
    Console.Write("\n\n");
    Console.Write("\tSquare a Number in C#\n\n");
    Console.Write("Enter a number to square: ");
   string input = Console.ReadLine();

  int number = Convert.ToInt32(input);
  int squared = number * number;
  
  Console.Write("\n\n"); 
    Console.WriteLine("The square of {0} is {1}.", number, squared);

  }
}

Odd and Even Number in Kotlin

Odd and Even Number in Kotlin

 A program that will ask the user to give a number and then the program will check if the given number is odd or even using Kotlin 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.
Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================

You can buy my C++ book online at  

https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/

You can buy my book in introduction to computer networking at 
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking

Want to support my channel?
GCash Account
Jake Pomperada

09173084360

Paypal
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Patreon
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Thank you very much for your support.






Program Listing

import java.util.*

fun main() {

    val reader = Scanner(System.`in`)
    
    println("\n\n")
    println("Odd and Even Numbers in Kotlin\n")
    print("Enter a number: ")
    val num = reader.nextInt()

    if (num % 2 == 0)
        println("$num is even number.")
    else
        println("$num is odd number.")
}

Count Down Timer in Visual Basic 6

Count Down Timer in Microsoft Visual Basic 6

 A program to show how to create count down timer using Microsoft Visual Basic 6 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.
Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================

You can buy my C++ book online at  

https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/

You can buy my book in introduction to computer networking at 
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking

Want to support my channel?
GCash Account
Jake Pomperada

09173084360

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Thank you very much for your support.





Program Listing

Option Explicit

Private m_StopTime As Date

Private Sub cmdStart_Click()
Dim fields() As String
Dim hours As Long
Dim minutes As Long
Dim seconds As Long

    fields = Split(txtDuration.Text, ":")
    hours = fields(0)
    minutes = fields(1)
    seconds = fields(2)

    m_StopTime = Now
    m_StopTime = DateAdd("h", hours, m_StopTime)
    m_StopTime = DateAdd("n", minutes, m_StopTime)
    m_StopTime = DateAdd("s", seconds, m_StopTime)

    tmrWait.Enabled = True
End Sub

Private Sub tmrWait_Timer()
Dim time_now As Date
Dim hours As Long
Dim minutes As Long
Dim seconds As Long

    time_now = Now
    If time_now >= m_StopTime Then
        Me.WindowState = vbMaximized
        tmrWait.Enabled = False
        lblRemaining.Caption = "0:00:00"
    Else
        seconds = DateDiff("s", time_now, m_StopTime)
        minutes = seconds \ 60
        seconds = seconds - minutes * 60
        hours = minutes \ 60
        minutes = minutes - hours * 60

        lblRemaining.Caption = _
            Format$(hours) & ":" & _
            Format$(minutes, "00") & ":" & _
            Format$(seconds, "00")
    End If
End Sub