Tutorials

In this tutorial we will learn to create a simple face(only eyes) which change when sleep button or wakeup button is clicked. This Application has two JButtons and a Panel for displaying the face. This Application handles Action Events for the buttons. In all we will create three class to make the design simple and clear.

Part 1: Creating a Class FacePanel for drawing face

Step 1: This class is used to draw the face based on whether the face is awake or asleep. For that we require a boolean variable awake which is set false initialy.

Applets are programs which run on web browser and Application means the stand alone program in a computer. In Java we can convert Applets to Application and Application to Applet. Using this idea we can make any program run as either applet or as an application. Following are the steps for converting applets to Application. Step 1: Change init() method's name to the constructor. Java Applets contains init() method which is used for initializing the applet, this method should be changed to constructor for that class.

This tutorial is a continuation of Part III: Update and Delete Specific Data in MySQL Database using Visual Basic. Net. But this time we're going to focus on how we can improve the design of our existing code using Code Refactoring. Refactoring is the process of changing a software system in such a way that it hasn't altered the external behavior of the code, yet improves its internal structure.

Introduction: Today we will be making a simple program to extract all emails within a web page source. We will be doing it manually rather than using Regex. Notes: This will require a webpage which contains one or more emails.

Introduction

This tutorial is about creating simple calculator which performs only four operations. For creating a simple Calculator we require two JTextFields where the user can enter two numbers, four JButton for four operations namely addition, subtraction,multiplication and division, a JLabel for displaying the result.

Implementation

Step 1: Creating a class which extends JFrame because we are going to create an Application. After this we have to define the constructor of the class as follows. Super() is used to give title to the frame.

In this lesson we will focus on completing the user CRUD tutorial or the Create, Read, Update and Delete user. So to start with, Open our last tutorial called "Part II: Inserting and Reading of Data in MySQL Database Using Visual Basic.Net" and select the Manage User form and add two buttons in it.

Introduction: This tutorial will be on how to create a proxy checker which will test a list of proxies and report if they respond within 3000ms/3seconds (can be changed using .Timeout). Steps of Creation: Step 1: First we will need to Import two packages, one to use StreamReader and StreamWriter and another to use HttpWebRequest and HttpWebResponse

Introduction: Hello, In this tutorial we will be making a simple duplicate line remover.

This tutorial is the continuation of Connecting MySQL Database using Visual Basic.NET. In this part we will focus on how to insert Data and to load data and display it in a form using DataGridview Object. To start with, we will set up first our database table.

Images gallery for web pages can be created with plain HTML, JavaScript, and CSS. Easiest one is with HTML but that's not good if we want to add new images. Image Gallery with HTML and CSS is quite easy and we can add new images to the gallery with ease. It looks beautiful too by using CSS.