BCA Semester 6 – Advanced Java Programming – Unit 1: GUI Programming (12Hrs)

1. Client–Server Software Model Definition The Client–Server software model is a distributed computing model in which: - A client requests services or resources, and - A server provides those servi

1. JTextField Definition JTextField is a Swing component used to accept and display a single line of text from the user. Key Features - Allows single-line text input. - Commonly used for usernames,

Java GUI Application: Sum and Difference of Two Numbers Description - Uses three JTextFields: two for input, one for output. - Performs sum on mouse press and difference on mouse release. Code Exa

1. Use of Panels in Java GUI Applications Definition A Panel (JPanel in Swing) is a container used to organize and group GUI components within a window or another container. Reasons for Using Panels

Adapter Classes in Java Definition An adapter class in Java is an abstract class that implements a listener interface and provides empty method bodies for all methods in the interface. It allows a

a) 2D Shapes in Swing Definition: Swing provides the Graphics and Graphics2D classes to draw two-dimensional shapes like lines, rectangles, circles, and polygons. Key Points: - Drawing is done by ov

1. Need for Layout Managers in Java GUI Definition A layout manager is an object that controls the size and position of components in a container (like JFrame or JPanel). Reasons to Use Layout Manag

Role of Event Listener in Event Handling Definition An Event Listener is an interface in Java that receives and handles events generated by GUI components (event sources) such as buttons, mouse, keyb

What is KeyEvent? Definition KeyEvent is an event in Java that is generated when a user presses, releases, or types a key on the keyboard. It is part of the java.awt.event package and is used in ke

a) Adapter Classes Definition: Adapter classes in Java provide default (empty) implementations of listener interfaces so that developers do not have to implement all methods of an interface. Explana

How a Frame Can Be Created in Java Definition A frame is a top-level window in Java that provides a container for adding GUI components such as buttons, labels, text fields, etc. Steps to Create a

WindowEvent in Java Definition: A WindowEvent represents events generated by window actions such as opening, closing, minimizing, maximizing, or activating a window in Java GUI applications. Use:

Displaying Images in Java GUI Definition In Java GUI, images can be displayed using Swing components like JLabel or Canvas by loading the image into an ImageIcon or Image object. --- Steps to Displa

a) JMenuBar Definition: JMenuBar is a Swing component used to create a menu bar in a GUI application. It holds JMenu objects, which in turn contain JMenuItem objects for actions. Key Points: - Provi