Free Programming Source Codes and Computer Programming Tutorials

Sunday, May 29, 2016

Celsius To Fahrenheit Converter in JSTL

A simple program that I wrote using JSTL or Java Server Pages Standard Tag Library that will ask the user to give a temperature in Celsius and then it will convert in Fahrenheit temperature. The code is very simple and easy to understand.

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

celsius.jsp

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>

<html>

<head>

<title> Celsius To Fahrenheit Converter in JSTL</title>

</head>

<style>

body

{

font-family:arial;

font-weight:bold;

size:12px;

color:blue;

}

</style>

<body>

<h2> Celsius To Fahrenheit Converter in JSTL</h2>

<br>

Give temperature in Celsius    

<input type="text" name="cel" size="3" value="<c:out value="${param.cel}"/>" autofocus/><br>

<br />

</form>

<c:if test="${pageContext.request.method=='POST'}">

<c:set var="convert" scope="session"

value="${ (9/5) * param.cel + 32}"/>

<br>

The Temperatue in Fahrenheit is <fmt:formatNumber value="${convert}" maxFractionDigits="2"/> &degF.

</c:if>

</body>

</html>

Fahrenheit To Celsius Converter in JSTL

A simple program that I wrote using JSTL or Java Server Pages Standard Tag Library that will ask the user to give a temperature in Fahrenheit and then it will convert in Celsius temperature. The code is very simple and easy to understand.

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

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>

<html>

<head>

<title>Fahrenheit To Celsius Converter in JSTL</title>

</head>

<style>

body

{

font-family:arial;

font-weight:bold;

size:12px;

color:blue;

}

</style>

<body>

<h2> Fahrenheit To Celsius Converter in JSTL</h2>

<br>

Give temperature in Fahrenheit    

<input type="text" name="fah" size="3" value="<c:out value="${param.fah}"/>" autofocus/><br>

<br />

</form>

<c:if test="${pageContext.request.method=='POST'}">

<c:set var="convert" scope="session"

value="${ ((param.fah - 32) * 5)/9}"/>

<br>

The Temperatue in Celsius is <fmt:formatNumber value="${convert}" maxFractionDigits="2"/>.

</c:if>

</body>

</html>

Average Grade Solver in JSTL

A simple program that I wrote using JSTL or Java Server Pages Standard Tag Library that will ask the user to give the grades in different subjects and then our program will compute the average of the five grades and determine whether the student pass or failed in their overall grades. The code is very simple and easy to understand.

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

grade.jsp

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>

<html>

<head>

<title>Average Grade Solver in JSTL</title>

</head>

<style>

body

{

font-family:arial;

font-weight:bold;

size:12px;

color:blue;

}

</style>

<body>

<h2> Average Grade Solver in JSTL</h2>

<br>

Enter Grade in Math    

<input type="text" name="one" size="3" value="<c:out value="${param.one}"/>" autofocus/><br>

Enter Grade in Science    

Enter Grade in Physical Education    

Enter Grade in History    

Enter Grade in English    

<br />

</form>

<c:if test="${pageContext.request.method=='POST'}">

<c:set var="average" scope="session"

value="${ (param.one + param.two + param.three + param.four + param.five) /5}"/>

<br>

Your average grade is <fmt:formatNumber value="${average}" maxFractionDigits="0"/>.

</c:if>

<c:choose>

<c:when test="${average >= 75}">

<h3>You have a Passing Average Grade.</h3> </font>

</c:when>

<c:otherwise>

<h3>You have a Failing Average Grade.</h3> </font>

</c:otherwise>

</c:choose>

</body>

</html>

Average of Three Numbers in JSTL

A simple program that I wrote using JSTL or Java Server Pages Standard Tag Library that will ask the user to give the number three numbers and then our program will compute the average of the three numbers. The code is very simple and easy to understand.

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

average_numbers.jsp

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>

<html>

<head>

<title>Average of Three Numbers in JSTL</title>

</head>

<style>

body

{

font-family:arial;

font-weight:bold;

size:12px;

color:blue;

}

</style>

<body>

<h2> Average of Three Numbers in JSTL</h2>

<br>

Enter Fist Number    

<input type="text" name="one" size="3" value="<c:out value="${param.one}"/>" autofocus/><br>

Enter Second Number    

Enter Third Number    

<br />

</form>

<c:if test="${pageContext.request.method=='POST'}">

<c:set var="average" scope="session"

value="${ (param.one + param.two + param.three) /3}"/>

<br>

The average of <c:out value="${param.one}"/>,

<c:out value="${param.two}"/> and <c:out value="${param.three}"/>

is <fmt:formatNumber value="${average}" maxFractionDigits="2"/>.

</c:if>

</body>

</html>

Simple Payroll Program in JSTL

A simple program that I wrote using JSTL or Java Server Pages Standard Tag Library that will ask the user to give the number of days work of the employee and then it will ask the rate per day and then our program will compute the salary of the employee. The code is very simple and easy to understand.

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

payroll.jsp

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

<html>

<head>

<title>Simple Payroll Program in JSTL</title>

</head>

<style>

body

{

font-family:arial;

font-weight:bold;

size:12px;

color:blue;

}

</style>

<body>

<h2> Simple Payroll Program in JSTL</h2>

<br>

Enter Number of Days Work    

<input type="text" name="days" size="3" value="<c:out value="${param.days}"/>" autofocus/><br>

Enter Rate Per Day   

<input type="submit" value="Compute Salary"

title="Click here to findout the salary of the employee." />

<br />

</form>

<c:if test="${pageContext.request.method=='POST'}">

<c:set var="salary" scope="session" value="${param.days * param.rate}"/>

<br>

Your salary is $<c:out value="${salary}"/>.

</c:if>

</body>

</html>

Positive and Negative Number Checker in JSTL

A simple program that I wrote that will check if the given number is an positive or negative number using JSTL or JSP Standard Tag Library. The code is very easy to understand and learn from it.

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

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"

pageEncoding="ISO-8859-1"%>

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<title>Positive and Negative Number Checker in JSTL</title>

</head>

<style>

body

{

font-family:arial;

font-weight:bold;

size:12px;

color:blue;

}

</style>

<body>

<h2> Positive and Negative Number Checker in JSTL</h2>

<br>

<form method="post">Enter a Number    

<input type="submit" value="Check Number"

title="Click here to find if the given number is Positive or Negative" />

<br />

</form>

<c:if test="${pageContext.request.method=='POST'}">

<c:if test="${param.number >= 0}">

The given number is POSITIVE.

</c:if>

<c:if test="${param.number < 0}"> The given number is NEGATIVE.

</c:if>

</body>

</html>

Odd and Even Number Checker in JSTL

A simple program that I wrote that will check if the given number is an odd or even number using JSTL or JSP Standard Tag Library. The code is very easy to understand and learn from it.

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

index.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"

pageEncoding="ISO-8859-1"%>

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<title>Odd and Even Number in JSTL</title>

</head>

<style>

body

{

font-family:arial;

font-weight:bold;

size:12px;

color:blue;

}

</style>

<body>

<h2> Odd and Even Number Checker in JSTL</h2>

<br>

<form method="post">Enter a Number    

<input type="submit" value="Check Number"

title="Click here to find if the given number is an ODD or EVEN" />

<br />

</form>

<c:if test="${pageContext.request.method=='POST'}">

<c:if test="${param.number % 2 == 0}">

You give an EVEN number.

</c:if>

<c:if test="${param.number % 2 != 0}"> You give an ODD number.

</c:if>

</body>

</html>

Addition of Three Numbers Using JSTL

A simple program that I wrote that will add the sum of the three numbers using JSTL or JSP Standard Tag Library. The code is very easy to understand and learn from it.

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

index.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"

pageEncoding="ISO-8859-1"%>

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<style>

body

{

font-family:arial;

font-weight:bold;

size:12px;

color:blue;

}

</style>

<title>Addition of Three Numbers in JSTL</title>

</head>

<body>

<h3> Addition of Three Numbers in JSTL</h3>

The sum of 10, 20 and 30 is <c:out value="${10 + 20+ 30}" />.

</body>

</html>

Sunday, May 22, 2016

Factorial of Number Using Java Spring Framework

A simple program that I wrote using Java Programming language and Spring Framework to get a number from the user and then compute for the factorial number value.

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

TestSpringProject.java

package org.gontuseries.springcore;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

public class TestSpringProject {

public static void main(String[] args) {

@SuppressWarnings("resource")

ApplicationContext context =

new ClassPathXmlApplicationContext("SpringConfig.xml");

Factorial FactorialObj = (Factorial) context.getBean("Factorial_Bean");

FactorialObj.solve();

}

Factorial.java

package org.gontuseries.springcore;

import java.util.Scanner;

public class Factorial {

int number=0, counter=0, fact_number = 1;

public void solve() {

@SuppressWarnings("resource")

Scanner in = new Scanner(System.in);

System.out.println();

System.out.println("Factorial Number in Java Spring Framework");

System.out.println("\n");

System.out.print("Give a Number : ");

number = in.nextInt();

if ( number < 0 )

System.out.println("The give number should be positive.");

else

{

for ( counter = 1 ; counter <= number ; counter++ )

fact_number = fact_number *counter;

System.out.println("\n");

System.out.println("Factorial of "+ number +" is equal to "+fact_number+".");

}

System.out.println("\n");

System.out.println("End of Program");

}

SpringConfig.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xmlns:context="http://www.springframework.org/schema/context"

xsi:schemaLocation="http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans-3.0.xsd

http://www.springframework.org/schema/context

http://www.springframework.org/schema/context/spring-context-3.0.xsd">

</bean>

</beans>

Free Programming Source Codes and Computer Programming Tutorials

Sunday, May 29, 2016

Celsius To Fahrenheit Converter in JSTL

Fahrenheit To Celsius Converter in JSTL

Average Grade Solver in JSTL

Average of Three Numbers in JSTL

Simple Payroll Program in JSTL

Positive and Negative Number Checker in JSTL

Odd and Even Number Checker in JSTL

Addition of Three Numbers Using JSTL

Sunday, May 22, 2016

Factorial of Number Using Java Spring Framework

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