Technical Notes

When considering a Java program, it consists of objects communicating by invoking each other's methods. Let's delve into the concepts of classes, objects, methods, and instance variables: Object - Objects in Java encapsulate states (e.g., color, name, breed) and behaviors (e.g., wagging, barking, eating). Each object is an instance of a class. Class - A class serves as a blueprint or template defining the behaviors and states that objects of its type support. Methods - Methods represent the behaviors of a class. They contain the logic, manipulate data, and execute actions within a program. Instance Variables - Every object possesses its own set of instance variables. These variables determine the state of an object by holding assigned values. First Java Program: Let's start

Hello World jQuery Application In this section, we will create our first jQuery application called "Hello World jQuery". This application will simply display Hello World !! (display due to jQuery) message in the browser. After completing this example, you will be able to include the jQuery library in your application and use it to perform simple functions. Let's start developing the Hello World application in jQuery. Setting up jQuery Click on the following link to open a page containing the jQuery library script. This file is around 70KB. Save this as "jquery-1.4.2.js". Now we are ready to use jQuery inside your HTML page. Hello World Example (HelloWorld.html) <htm