Users' questions

What is frame in Java AWT?

What is frame in Java AWT?

A Frame is a top-level window with a title and a border. The default layout for a frame is BorderLayout. Frames are capable of generating the following types of window events: WindowOpened, WindowClosing, WindowClosed, WindowIconified, WindowDeiconified, WindowActivated, WindowDeactivated.

How do you create a AWT frame in Java?

AWT Example by Association

  1. // importing Java AWT class.
  2. import java.awt.*;
  3. // class AWTExample2 directly creates instance of Frame class.
  4. class AWTExample2 {
  5. // initializing using constructor.
  6. AWTExample2() {
  7. // creating a Frame.
  8. Frame f = new Frame();

What is AWT classes in Java?

The Abstract Window Toolkit (AWT) is Java’s original platform-dependent windowing, graphics, and user-interface widget toolkit, preceding Swing. The AWT is part of the Java Foundation Classes (JFC) — the standard API for providing a graphical user interface (GUI) for a Java program.

What are the types of frames in Java?

You can create a JFrame using these methods: JFrame(): This helps in creating a frame which is invisible. JFrame(String Title): Helps in creating a frame with a title. JFrame(GraphicsConfiguration gc): Creates a frame with blank title and the graphics configuration of screen.

What is setDefaultCloseOperation in Java?

The default behavior is to simply hide the JFrame when the user closes the window. To change the default behavior, you invoke the method setDefaultCloseOperation(int) . To make the JFrame behave the same as a Frame instance, use setDefaultCloseOperation(WindowConstants. DO_NOTHING_ON_CLOSE) .

Is frame a container in Java?

In Java, a frame is a window that has nice borders, various buttons along the top border, and other features. What you usually call a “window” Java calls a “frame”. A frame is a container object, so GUI components can be placed in it.

What is AWT example?

AWT stands for Abstract window toolkit is an Application programming interface (API) for creating Graphical User Interface (GUI) in Java. It allows Java programmers to develop window-based applications. AWT provides various components like button, label, checkbox, etc. used as objects inside a Java Program.

Why AWT is used in Java?

awt. Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context. Contains all of the classes for creating user interfaces and for painting graphics and images.

What is substitute frame method?

By considering any floor of the frame called substitute frame, the moments can be calculated and results can be obtained in good agreement with the results from rigorous analysis. Therefore, in this method, the analysis of the multi-storeyed frames is carried out by taking one floor at a time.

What is framing and types of framing?

Framing can be of two types, fixed sized framing and variable sized framing. Here the size of the frame is fixed and so the frame length acts as delimiter of the frame. Consequently, it does not require additional boundary bits to identify the start and end of the frame. Example − ATM cells.

What is a top-level window in Java AWT?

The class Window is a top level window with no border and no menubar. It uses BorderLayout as default layout manager. Following is the declaration for java.awt.Window class: Constructs a new, initially invisible window with the specified Frame as its owner.

What is a JFrame in Java?

JFrame is the core class of javax.swing package and is used to develop GUI (graphical user interface ) in which various visual objects like Text Field,Radio Button,scroll Bar,check Box etc are embedded. This GUI is called window pane. JFrame is actually a window with a title Bar,Border, a resizable Border,…

What is frame class in Java?

Class Frame. public class Frame extends Window implements MenuContainer A Frame is a top-level window with a title and a border. The size of the frame includes any area designated for the border.

What is frame in Java?

addNotify. Makes this Frame displayable by connecting it to a native screen resource.

  • getTitle. Gets the title of the frame.
  • setTitle. Sets the title for this frame to the specified string.
  • getIconImage. Returns the image to be displayed as the icon for this frame.
  • setIconImage.
  • getMenuBar.
  • setMenuBar.
  • isResizable.
  • setResizable.
  • setState.