Switch and Boolean Statement in C++

Here is a sample program that I wrote a long time ago that demonstrate the use of switch and Boolean statements in C++ language that will check if the age of the person is still a minor or adult already.

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Program Listing

#include <iostream>

using namespace std;

main()

{

      int a=0;

      

      cout << "Enter a your age : ";

      cin >> a;

      

      switch(a >= 18 ? true : false)

      {

               case true : cout << "Your are Adult.";

                                break;

               case false  : cout << "Sorry you are still Minor.";

         }

      cout << "\n\n";

      system("pause");

      }

      

Postfix To Prefix in Converter in C

A simple program that will convert a given expression by the user in postfix and then it will convert it into prefix equivalent in C programming language.

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Program Listing

#include <stdio.h>

#include <conio.h>

#include <string.h>

#define MAX 100

struct postfix

{

char stack[MAX][MAX], target[MAX] ;

char temp1[2], temp2[2] ;

char str1[MAX], str2[MAX], str3[MAX] ;

int i, top ;

} ;

void initpostfix ( struct postfix * ) ;

void setexpr ( struct postfix *, char * ) ;

void push ( struct postfix *, char * ) ;

void pop ( struct postfix *, char * ) ;

void convert ( struct postfix * ) ;

void show ( struct postfix ) ;

void main( )

{

struct postfix q ;

char expr[MAX] ;

clrscr( ) ;

initpostfix ( &q ) ;

     

        printf ( "\n POSTFIX TO PREFIX CONVERTER IN C " ) ;

        printf("\n\n");

printf ( "\nEnter an expression in postfix form: " ) ;

gets ( expr ) ;

setexpr ( &q, expr ) ;

convert ( &q ) ;

printf ( "\nThe Prefix expression is: " ) ;

show ( q ) ;

getch( ) ;

}

void initpostfix ( struct postfix *p )

{

p -> i = 0 ;

p -> top = -1 ;

strcpy ( p -> target, "" ) ;

}

void setexpr ( struct postfix *p, char *c )

{

strcpy ( p -> target, c ) ;

}

void push ( struct postfix *p, char *str )

{

if ( p -> top == MAX - 1 )

printf ( "\nStack is full." ) ;

else

{

p -> top++ ;

strcpy ( p -> stack[p -> top], str ) ;

}

}

void pop ( struct postfix *p, char *a )

{

if ( p -> top == -1 )

printf ( "\nStack  is empty." ) ;

else

{

strcpy ( a, p -> stack[p -> top] ) ;

p -> top-- ;

}

}

void convert ( struct postfix *p )

{

while ( p -> target[p -> i] != '\0' )

{

/* skip whitespace, if any */

if ( p -> target[p -> i] == ' ')

p -> i++ ;

if( p -> target[p -> i] == '%' || p -> target[p -> i] == '*' ||

p -> target[p -> i] == '-' || p -> target[p -> i] == '+' ||

p -> target[p -> i] == '/' || p -> target[p -> i] == '$' )

{

pop ( p, p -> str2 ) ;

pop ( p, p -> str3 ) ;

p -> temp1[0] = p -> target[ p -> i] ;

p -> temp1[1] = '\0' ;

strcpy ( p -> str1, p -> temp1 ) ;

strcat ( p -> str1, p -> str3 ) ;

strcat ( p -> str1, p -> str2 ) ;

push ( p, p -> str1 ) ;

}

else

{

p -> temp1[0] = p -> target[p -> i] ;

p -> temp1[1] = '\0' ;

strcpy ( p -> temp2, p -> temp1 ) ;

push ( p, p -> temp2 ) ;

}

p -> i++ ;

}

}

void show ( struct postfix p )

{

char *temp = p.stack[0] ;

while ( *temp )

{

printf ( "%c ", *temp ) ;

temp++ ;

}

}

Descending Numbers in C

Here is a sample program that I wrote a very long time a ago in C language that will ask a series of numbers and then it will sort the given numbers into descending order.

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Program Listing

#include <stdio.h>

#include <conio.h>

int main()

{

     int arr[100],i,j,element,no,temp;

     clrscr();

     printf("\nEnter the no of Elements: ");

     scanf("%d", &no);

     for(i=0;i<no;i++){

          printf("\n Enter Element %d: ", i+1);

          scanf("%d",&arr[i]);

     }

     for(i=0;i<no;i++){

          for(j=i;j<no;j++){

               if(arr[i] < arr[j]){

               temp=arr[i];

               arr[i]=arr[j];

               arr[j]=temp;

               }

           }

     }

     printf("\nSorted array:");

     for(i=0;i<no;i++){

          printf("\t%d",arr[i]);

     }

     getch();

}

Decimal To Hexadecimal in Python

A simple program that I wrote using Python programming language that will ask the user to give decimal number and then our program will convert the given number into its hexadecimal equivalent.

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

def my_program():

   print()

   print("DECIMAL TO HEXADECIMAL CONVERTER")

   print()

   decimal = int(input("Enter a Number: "))

   print()

   print('The number {0} in Decimal is equivalent to '.format(decimal))

   print(hex(decimal), " in Hexadecimal.");

   print("\n");

   repeat = input('Do you want to continue ? (Y/N) : ')

   if repeat.upper() == "N":

       print("\n")

       print("END OF PROGRAM")

       quit

   if repeat.upper() == "Y":

       my_program()

if __name__ == '__main__':

       my_program()

Decimal To Octal Converter in Python

A simple program that I wrote using Python programming language that will ask the user to give decimal number and then our program will convert the given number into its octal equivalent.

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

def my_program():

   print()

   print("DECIMAL TO OCTAL CONVERTER")

   print()

   decimal = int(input("Enter a Number: "))

   print()

   print('The number {0} in Decimal is equivalent to '.format(decimal))

   print(oct(decimal), " in octal.");

   print("\n");

   repeat = input('Do you want to continue ? (Y/N) : ')

   if repeat.upper() == "N":

       print("\n")

       print("END OF PROGRAM")

       quit

   if repeat.upper() == "Y":

       my_program()

if __name__ == '__main__':

       my_program()

Decimal To Binary Converter in Python

A simple program that I wrote using Python programming language that will ask the user to give decimal number and then our program will convert the given number into its binary equivalent.

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

def convert_binary(values):

   

   if values > 1:

     convert_binary(values//2)

   print(values % 2,end = '')

def my_program():

   print()

   print("DECIMAL TO BINARY CONVERTER")

   print()

   decimal = int(input("Enter a Number: "))

   print()

   print('The number {0} in Decimal is equivalent to '.format(decimal))

   convert_binary(decimal);

   print(" in binary.");

   print("\n");

   repeat = input('Do you want to continue ? (Y/N) : ')

   if repeat.upper() == "N":

       print("\n")

       print("END OF PROGRAM")

       quit

   if repeat.upper() == "Y":

       my_program()

if __name__ == '__main__':

       my_program()

Kilometers To Miles Converter in Python

In this simple program it will ask the user to give the distance in kilometers and then our program will convert the given distance in miles into kilometers equivalent using Python as my programming language.

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

def my_program():

   print()

   print("KILOMETERS TO MILES CONVERTER")

   print()

   kilometers = float(input("How many kilometer(s) ? : "))

   print()

   miles = (kilometers *  0.621371)

   print('%0.2f Kilometers(s) is equal to %0.2f Mile(s).' %(kilometers,miles))

   print("\n");

   repeat = input('Do you want to continue ? (Y/N) : ')

   if repeat.upper() == "N":

       print("\n")

       print("END OF PROGRAM")

       quit

   if repeat.upper() == "Y":

       my_program()

if __name__ == '__main__':

       my_program()

Miles To Kilometers Converter in Python

In this simple program it will ask the user to give the distance in Miles and then our program will convert the given distance in miles into kilometers equivalent using Python as my programming language.

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

def my_program():
   print()
   print("MILES TO KILOMETERS CONVERTER")
   print()
   miles = float(input("How many miles? : "))
   print()
   kilometers = (miles * 1.60934)
   print('%0.2f Mile(s) is equal to %0.2f Kilometer(s).' %(miles,kilometers))
   print("\n");
   repeat = input('Do you want to continue ? (Y/N) : ')

   if repeat.upper() == "N":
       print("\n")
       print("END OF PROGRAM")
       quit
   if repeat.upper() == "Y":
       my_program()

if __name__ == '__main__':
       my_program()

Cube Numbers in Python

A simple program that I wrote using Python as my programming language that will ask the user to give a number and then our program will convert the give number by the user into cube number equivalent.

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

def my_program():

   print()

   print("CUBE NUMBERS PROGRAM")

   print()

   number = int(input("Enter a Number : "))

   print()

   solve_cube = (number * number * number)

   print("The cube value of ",number, " is "

          ,solve_cube,".")

   print("\n");

   repeat = input('Do you want to continue ? (Y/N) : ')

   if repeat.upper() == "N":

       print("\n")

       print("END OF PROGRAM")

       quit

   if repeat.upper() == "Y":

       my_program()

if __name__ == '__main__':

       my_program()

Consonants Remover in Python

A simple program that  I wrote using Python as my programming language that will ask the user to give a word or a sentence and then our program will remove the consonants in the given word or a sentence by the user.

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

def my_program():

   print()

   print("REMOVE CONSONANTS PROGRAM")

   print()

   str = input("Enter a String : ")

   print()

   consonants = ['b', 'c', 'd', 'f', 'g',

                 'h','j','k','l','m','n',

                 'p','q','r','s','t','v',

                 'w','x','y','z']

   result = ''

   for letter in str.lower():

      if letter not in consonants:

       result += letter

   print("The result is " ,result.upper(),".")

   print("\n");

   repeat = input('Do you want to continue ? (Y/N) : ')

   if repeat.upper() == "N":

       print("\n")

       print("END OF PROGRAM")

       quit

   if repeat.upper() == "Y":

       my_program()

if __name__ == '__main__':

       my_program()

Remove Vowels in Python

A simple program that  I wrote using Python as my programming language that will ask the user to give a word or a sentence and then our program will remove the vowels in the given word or a sentence.

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

def my_program():

   print()

   print("REMOVE VOWELS PROGRAM")

   print()

   str = input("Enter a String : ")

   print()

   vowels = ['a', 'e', 'i', 'o', 'u']

   result = ''

   for letter in str.lower():

      if letter not in vowels:

       result += letter

   print("The result is " ,result.upper(),".")

   print("\n");

   repeat = input('Do you want to continue ? (Y/N) : ')

   if repeat.upper() == "N":

       print("\n")

       print("END OF PROGRAM")

       quit

   if repeat.upper() == "Y":

       my_program()

if __name__ == '__main__':

       my_program()

Array in JavaScript

A very simple program to demonstrate how to declare and use array using JavaScript as our programming language.

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Program Listing

<html>

    <head>

        <title>Array in JavaScript</title>

    <head>

     <h1> Array in JavaScript </h1>

     <br> 

    </body>

        

        <script>

            var arrayOfFruits = ['Apple', 'Banana', 'Grapes', 'Orange','Guava','Dalandan'];

                

   

            alert(arrayOfFruits[2]);

            alert('length: ' + arrayOfFruits.length);            

        </script>

</html>

Focus Function in JavaScript

A simple program in JavaScript that shows how to use focus method in a program. The code is very basic and easy to understand for beginners that are new in JavaScript programming.

Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

My mobile number here in the Philippines is 09173084360.

Program Listing

<html>

    <head>

        <title> Focus method in JavaScript</title>

    <head>

         <h1> Focus Method in JavaScript </h1>

         <br>

    <body>      

    

        <input type="text" id="txtName"/>

        &nbsp;&nbsp;

        <input

               type = "button"

               id = "btnCompute"

               onclick = "Compute();"

               value = "Compute"/>

    </body>

        

    <script>

        function Compute() {

            var txtName = document.getElementById("txtName");

            var name = txtName.value;

            

            if (name.trim() == "") {

                alert("Please enter value for name. ");

                txtName.focus;

                

            } else {

                alert("Hello " + name + " ! ");

            }

        }

    </script>

</html>