Free Programming Source Codes and Computer Programming Tutorials

Friday, August 20, 2021

Addition of Three Numbers in VB.NET

Machine Problem

Write a program that will ask the user to gived three numbers, and compute the sum of that numbers.

Use the following formula below.

total_sum = (variable_one + variable_two +variable_three)

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 at my email address also. Thank you.

My email address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Program Listing

' Addition of Three Numbers Using VB.NET

' Prof. Jake Rodriguez Pomperada, MAED-IT, MIT

' www.jakerpomperada.com and www.jakerpomperada.blogspot.com

' jakerpomperada@gmail.com

' Bacolod City, Negros Occidental Philippines

' May 16, 2021 Sunday 11:23 AM

Public Class Form1

' Button Compute

Private Sub btnCompute_Click(sender As Object, e As EventArgs) Handles btnCompute.Click

Dim sum As Integer

Dim a, b, c As String

sum = 0

a = txtValue1.Text

b = txtValue2.Text

c = txtValue3.Text

If a = "" Or IsNumeric(a) = False Then

MessageBox.Show("Please enter a numeric value.")

txtValue1.Focus()

ElseIf b = "" Or IsNumeric(b) = False Then

MessageBox.Show("Please enter a numeric value.")

txtValue2.Focus()

ElseIf c = "" Or IsNumeric(c) = False Then

MessageBox.Show("Please enter a numeric value.")

txtValue3.Focus()

Else

sum = Val(a) + Val(b) + Val(c)

MessageBox.Show("The sum of " & a & "," & b & ", and " & c & " is " & sum & ".", "The Result")

End If

End Sub

'Button Quit

Private Sub btnQuit_Click(sender As Object, e As EventArgs) Handles btnQuit.Click

Dim result = MessageBox.Show(" Are you sure you want to quit the program?", "Confirmation", MessageBoxButtons.YesNo, MessageBoxIcon.Question)

If result = DialogResult.Yes Then

Me.Close()

Else

Me.Show()

txtValue1.Text = ""

txtValue2.Text = ""

txtValue3.Text = ""

txtValue1.Focus()

End If

End Sub

'Button Clear

Private Sub btnClear_Click(sender As Object, e As EventArgs) Handles btnClear.Click

txtValue1.Text = ""

txtValue2.Text = ""

txtValue3.Text = ""

txtValue1.Focus()

End Sub

End Class

Swapping Two Numbers Using AngularJS

Swapping of Two Numbers in AngularJS

Machine Problem

Write a program that will ask user to give two numbers and then the program will display the original and swap arrangement of the two numbers given by the user.

My email address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Program Listing

<!-- index.htm

Author : Prof. Jake Rodriguez Pomperada, MAED-IT, MIT

Date : July 23, 2021 Friday 10:26 PM

Place : Bacolod City, Negros Occidental

Websites : www.jakerpomperada.com and www.jakerpomperada.blogspot.com

Email : jakerpomperada@gmail.com

-->

<html>

<head>

<title>Swapping of Two Numbers in AngularJS </title>

var myApp=angular.module("myModule",[]);

myApp.controller("Swapping_Values",function($scope) {

$scope.doSwap=function()

{

$scope.after_swap="Swap Arrangement : "

+ $scope.a + " and " + $scope.b;

var temp = $scope.a;

$scope.a = $scope.b;

$scope.b = temp;

$scope.before_swap="Original Arrangement : "

+ $scope.a + " and " + $scope.b;

}

});

</script>

</head>

<style>

body {

font-family: arial;

font-size: 25px;

font-weight: bold;

}

</style>

<h3>Swapping of Two Numbers in AngularJS </h3>

<div>

<tr>

<td>

Enter Your First Number

</td>

<td>

</td>

<tr>

<td>

Enter Your Second Number

</td>

<td>

</td>

</tr>

<tr>

<input type="button" ng-click="doSwap();"

value="Swap Numbers"/>

</td>

</tr>

</table>

</div><br>

</div>

</body>

</html>

Thursday, August 19, 2021

Count Consonants in AngularJS

Machine Problem

Write a program that will ask user to give a string and then the program will display the given string, and then it will count the number of consonants in the given string.

My email address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Program Listing

<!-- index.htm

Author : Prof. Jake Rodriguez Pomperada, MAED-IT, MIT

Date : July 21, 2021 Wednesday 10:34 PM

Place : Bacolod City, Negros Occidental

Websites : www.jakerpomperada.com and www.jakerpomperada.blogspot.com

Email : jakerpomperada@gmail.com

-->

<head>

<title>Count Consonants in AngularJS</title>

</head>

<style>

body {

font-family: arial;

font-size: 25px;

font-weight: bold;

}

</style>

</script>

// AngularJS Controller Declaration

angular.module('mainApp', []).service('myService', function() {

this.myFunc = function(val_1) {

var countConsonants = 0;

str_upper = val_1.toUpperCase();

for (var i = 0; i < str_upper.length; i++) {

if (str_upper.charAt(i) !== "A" && str_upper.charAt(i) !== "E" && str_upper.charAt(i) !== "I"

&& str_upper.charAt(i) !== "O" && str_upper.charAt(i) !== "U" && str_upper.charAt(i) !== " ") {

countConsonants++;

}

return countConsonants;

};

}).controller('Count_Consonants_Controller', function($scope, myService) {

$scope.check = function(val_1) {

$scope.myUserService = myService.myFunc(val_1);

}

});

</script>

<form>

<tr>Count Consonants in AngularJS</tr>

<tr>

<td>Enter a String</td>

</tr>

<table>

</form><br>

<b>The given string {{val_1 | uppercase }}. </b><br><br>

<b>The number of consonants is {{myUserService}}.</b>

</div>

</body>

</html>

Consonants and Vowels in C Improved Version

A simple program that I wrote using C programming language to ask the user to give a string and then the program will count the number of vowels, and consonants improved version and display the results on the screen.

My email address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Program Listing

/* main.c

Prof. Jake Rodriguez Pomperada, MAED-IT, MIT

www.jakerpomperada.blogspot.com and www.jakerpomperada.com

jakerpomperada@gmail.com

Bacolod City, Negros Occidental Philippines

August 19, 2021 Thursday 6:26 AM

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#include <stdbool.h>

bool is_vowel(char ch)

{

const char vowels[] = "aeiouAEIOU";

return strchr(vowels, ch) != NULL;

}

bool is_consonant(char ch)

{

const char consonats[] = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ";

return strchr(consonats, ch) != NULL;

}

int main()

{

char str[100]; int i=0;

int vowels=0,consonants=0, a = 0;

printf("\n\n\tConsonants and Vowels in C Improved Version\n");

printf("\nGive a String : ");

// scanf("%s",&str); reads only till the first whitespace

fgets(str, sizeof(str), stdin);

char *pos = strrchr(str, '\n');

// fgets sometines leaves a trailing \n in the str

if(pos != NULL)

pos = '\0';

for(i=0; str[i]!='\0'; i++)

{

if(is_vowel(str[i]))

{

a++;

vowels++;

printf("\n %d. The Vowels is: %c",a,str[i]);

}

else if (is_consonant(str[i]))

{

a++;

consonants++;

printf("\n %d. The Consonant is: %c",a,str[i]);

}

printf("\n\n\nThe Total Number of Vowels : %d",vowels);

printf("\nThe Total Number of Consonants : %d",consonants);

printf("\n\n\tEnd of Program\n\n");

return EXIT_SUCCESS;

} /* End of Code */

Wednesday, August 18, 2021

Lower Case To Upper Case String Conversion in C++

I simple program that I wrote to accept string from the user in lowercase and convert it into upper case format in C++ programming language.

My email address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Program Listing

// lowercase_uppercase.cpp

// Prof. Jake Rodriguez Pomperada, MAED-IT, MIT

// www.jakerpomperada.blogspot.com and www.jakerpomperada.com

// jakerpomperada@gmail.com

// Bacolod City, Negros Occidental Philippines

// Dev C++ Version 5.11

#include <iostream>

#include <string>

using namespace std;

int main()

{

string str;

cout << "\n\n";

cout << "\tLower Case To Upper Case String Conversion in C++";

cout << "\n\n";

cout << "\tEnter a String : ";

getline(cin,str);

for (size_t i = 0; i < str.length(); ++i)

{

str[i]=toupper(str[i]);

}

cout << "\n\n";

cout<<"\tConverted Results in Upper Case : " <<str << ".";

cout << "\n\n";

cout << "\tEnd of Program";

cout << "\n\n";

system("PAUSE");

}

Vowels and Consonants in C

Count Vowels, and Consonants in C

A simple program that I wrote using C programming language to ask the user to give a string and then the program will count the number of vowels, and consonants and display the results on the screen.

My email address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Program Listing

/* vowels_consonants.c

Author : Prof. Jake Rodriguez Pomperada, MAED-IT, MIT

Websites : www.jakerpomperada.com and www.jakerpomperada.blogspot.com

Email : jakerpomperada@gmail.com

Tool : Dev C++ 5.11

Location : Bacolod City, Negros Occidental Philippines

#include <stdio.h>

#include <string.h>

int i=0,a=0,vowels=0,consonants=0;

char str[100];

void main()

{

printf("\n\n");

printf("\tCount Vowels, and Consonants in C");

printf("\n");

printf("\nGive a String : ");

scanf("%s",&str);

for (i = 0; i < strlen(str); ++i)

{

str[i]=toupper(str[i]);

}

for(i=0;str[i]!='\0';i++)

{

if(str[i]=='A' | str[i]=='E' | str[i]=='I' | str[i]=='O' | str[i]=='U')

{

a++;

vowels++;

printf("\n %d. The Vowels is: %c",a,str[i]);

}

else

{

a++;

consonants++;

printf("\n %d. The Consonants is: %c",a,str[i]);

}

printf("\n");

printf("\n\nThe Total Number of Vowels : %d",vowels);

printf("\nThe Total Number of Consonants : %d",consonants);

printf("\n\n");

printf("\tEnd of Program");

printf("\n\n");

} /* End of Code */

Tuesday, August 17, 2021

Shell Sort in C

Shell Sort Program in C

A simple shell sort program that I wrote using C programming language.

My email address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Program Listing

/* shell_sort.c

Author : Mr. Jake Rodriguez Pomperada,MAED-IT, MIT

Tool : Dev C++ 5.11

Date : August 15, 2021 Sunday 4:29 PM

Websites : www.jakerpomperada.com and www.jakerpomperada.blogspot.com

Email :jakerpomperada@gmail.com

Location : Bacolod City, Negros Occidental, Philippines

#include <stdio.h>

#include <stdlib.h>

void shellsort(int arr[], int num);

int main()

{

int items[1000], num=0,min=0,loc=0;

int c=0, b=0,change=0,j=0,temp=0;

system("cls");

printf("\n\n");

printf("\tShell Sort Program in C");

printf("\n\n");

printf("\tHow many items? : ");

scanf("%d", &num);

printf("\n\n");

for (c= 0; c < num; c++) {

printf("\tEnter item no. %d: ", c+1);

scanf("%d", &items[c]);

}

printf("\n\n");

printf("\tOriginal Arrangement of Numbers");

printf("\n\n");

for ( c = 0 ; c < num ; c++ ) {

printf("\t%d ",items[c]);

}

shellsort(items, num);

printf("\n\n");

printf("\tAsceding Order of Numbers");

printf("\n\n");

for ( c = 0 ; c < num ; c++ ) {

printf("\t%d ", items[c]);

}

printf("\n\n");

printf("\tEnd of Program");

printf("\n\n");

system("pause");

}

void shellsort(int arr[], int num)

{

int i, j, k, tmp;

for (i = num / 2; i > 0; i = i / 2)

{

for (j = i; j < num; j++)

{

for(k = j - i; k >= 0; k = k - i)

{

if (arr[k+i] >= arr[k])

break;

else

{

tmp = arr[k];

arr[k] = arr[k+i];

arr[k+i] = tmp;

}

Monday, August 16, 2021

Display All Odd and Even Numbers in C++

A simple program that I wrote to display all odd and even numbers using C++ programming languages.

My email address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Program Listing

// Odd_Even_Numbers.cpp

// Prof. Jake Rodriguez Pomperada, MAED-IT, MIT

// www.jakerpomperada.blogspot.com and www.jakerpomperada.com

// jakerpomperada@gmail.com

// Bacolod City, Negros Occidental Philippines

// Dev C++ Version 5.11

#include <iostream>

using namespace std;

int main()

{

//declare variables

int number=0;

int n=0;

cout << "\n\n";

cout << "\tDisplay All Odd and Even Numbers in C++";

cout << "\n\n";

cout << "\tGive a Number : ";

cin >> n;

cout <<"\n";

// print odd numbers

cout << "\tThe odd numbers are:";

cout << "\n\n";

cout << "\t";

for (number=1; number<=n; number+=2)

{

cout << " " << number <<"";

}

cout << "\n\n";

// print even numbers

cout << "\tThe even numbers are:";

cout << "\n\n";

cout << "\t";

for (number=0; number<=n; number+=2)

{

cout << " " << number <<"";

}

cout << "\n\n";

cout << "\tEnd of Program";

cout << "\n\n";

system("pause");

}

Money Bill Denominator in C++

A simple money bill denominator that I wrote using C++ programming language.

My email address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Program Listing

// money.cpp

// Prof. Jake Rodriguez Pomperada, MAED-IT, MIT

// www.jakerpomperada.blogspot.com and www.jakerpomperada.com

// jakerpomperada@gmail.com

// Bacolod City, Negros Occidental Philippines

// Dev C++ Version 5.11

#include <iostream>

using namespace std;

int main()

{

int amt=0,thousand=0,five_hund=0,two_hundreds=0;

int hundreds=0,fifty=0,twentys=0;

cout << "\n\n";

cout << "\tMoney Bill Denominator in C++";

cout << "\n\n";

cout << "\tEnter an Amount : ";

cin >> amt;

thousand = amt/1000;

amt = amt%1000;

five_hund = amt/500;

amt = amt%500;

two_hundreds = amt/200;

amt = amt%200;

hundreds = amt/100;

amt = amt%100;

fifty = amt/50;

amt = amt%50;

twentys = amt/20;

amt = amt%20;

cout << "\n\n";

cout << "\tDisplay Report";

cout << "\n\n";

cout << "\tNumber of PHP 1000 Notes : " << thousand << ".\n";

cout << "\tNumber of PHP 500 Notes : " << five_hund << ".\n";

cout << "\tNumber of PHP 200 Notes : " << two_hundreds << ".\n";

cout << "\tNumber of PHP 100 Notes : " << hundreds << ".\n";

cout << "\tNumber of PHP 50 Notes : " << fifty << ".\n";

cout << "\tNumber of PHP 20 Notes : " << twentys << ".\n";

cout << "\n\n";

cout << "\tEnd of Program";

cout << "\n\n";

system("pause");

}

Free Programming Source Codes and Computer Programming Tutorials

Friday, August 20, 2021

Addition of Three Numbers in VB.NET

Swapping Two Numbers Using AngularJS

Swapping of Two Numbers in AngularJS

Thursday, August 19, 2021

Count Consonants in AngularJS

Count Consonants in AngularJS

Consonants and Vowels in C Improved Version

Consonants and Vowels in C Improved Version

Wednesday, August 18, 2021

Lower Case To Upper Case String Conversion in C++

Lower Case To Upper Case String Conversion in C++

Vowels and Consonants in C

Count Vowels, and Consonants in C

Tuesday, August 17, 2021

Shell Sort in C

Shell Sort Program in C

Monday, August 16, 2021

Display All Odd and Even Numbers in C++

Display All Odd and Even Numbers in C++

Money Bill Denominator in C++

Money Bill Denominator in C++

JavaScript Basic Concepts

Friday, August 13, 2021

Fibonacci Series Using Controllers in AngularJS

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