Related Topics JAVA Programing Question 23 How to handle window state events in Java? Answer In Java, window state events are generated when the state of a window changes, such as when it is minimized, maximized, or restored. To handle window state events, you can implement the WindowStateListener interface and register an instance of the […]
Related Topics JAVA Programing Question 18 What is the use of the java.awt.event.FocusListener interface in event handling in Java? Answer The java.awt.event.FocusListener interface in Java provides a way to track the focus of GUI components. It allows you to write code that responds to the user clicking, tabbing, or otherwise interacting with a component. The
Related Topics JAVA Programing Question 12 What is the use of the java.util.EventObject class in event handling in Java? Answer The java.util.EventObject class in Java is a base class for all events that can be generated in Java applications. It provides a common set of properties and methods that can be used to handle events
Related Topics JAVA Programing Question 7 Can you explain the event-dispatching thread in Java? Answer In Java, the event-dispatching thread (EDT) is a dedicated thread that is responsible for processing all user interface (UI) events. The EDT is created automatically by the Java runtime environment (JRE) when a graphical user interface (GUI) application is started.
Related Topics JAVA Programing Question 1 What is event handling in Java and how does it work? Answer Event handling in Java refers to the process of detecting and responding to events that occur within a graphical user interface (GUI) or other parts of a program. An event is an occurrence within a program, such
Related Topics JAVA Programing Question 44 How do you display a window in an applet? Answer In Java, you can display a window in an applet using the JFrame class. Here’s an example code snippet: import javax.swing.*; public class MyWindow extends JFrame { public MyWindow() { super(“My Window Title”); setSize(300, 200); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setVisible(true); } }
Related Topics JAVA Programing Question 37 How do you display a button in an applet? Answer To display a button in an applet, you can use the java.awt.Button class. Here are the steps to do so: Create a Button component. Button button = new Button(“Click me”); Add the Button to the applet. add(button); This will
Related Topics JAVA Programing Question 30 What is the use of the getImage method in an applet? Answer The getImage() method in an applet is used to load an image into the applet. It is an inherited method from the java.applet.Applet class and can be used to load images from the applet’s codebase or document
Related Topics JAVA Programing Question 24 What is the difference between the getAppletInfo and getParameterInfo method in an applet? Answer getAppletInfo() and getParameterInfo() are methods of the Applet class that are used to provide information about the applet to the browser or applet viewer. getAppletInfo() method returns a string that describes the applet, including its
Related Topics JAVA Programing Question 20 What is the difference between the paint and update method in an applet? Answer The paint() and update() methods are both used for rendering graphics in an applet, but they serve different purposes. The paint(Graphics g) method is responsible for painting the applet’s graphics on the screen. This method
