What are components of AWT in Java?
AWT Components
- Button (java. awt.
- Checkboxes (java. awt.
- Radio Buttons (java. awt.
- Choice Buttons (java. awt.
- Labels (java. awt.
- TextFields (java.awt.TextField) Are areas where the user can enter text.
- An Example Component Application.
What is AWT in Java with 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.
What are AWT components explain with suitable examples?
AWT is heavy weight i.e. its components are using the resources of underlying operating system (OS). The java. awt package provides classes for AWT API such as TextField, Label, TextArea, RadioButton, CheckBox, Choice, List etc.
What is the superclass for various AWT components?
MenuComponent
MenuComponent is an abstract class and is the superclass for all menu-related components.
What are the different types of AWT components How are these components added to containers?
As explained above, a container is a place wherein we add components like text field, button, checkbox etc. There are four types of containers available in AWT: Window, Frame, Dialog and Panel. As shown in the hierarchy diagram above, Frame and Dialog are subclasses of Window class.
What are the different types of AWT components How are these components added to the container?
What are the applications of AWT?
Abstract Window Toolkit (AWT) is a set of application program interfaces ( API s) used by Java programmers to create graphical user interface ( GUI ) objects, such as buttons, scroll bars, and windows. AWT is part of the Java Foundation Classes ( JFC ) from Sun Microsystems, the company that originated Java.
Is AWT is used for GUI programming in Java?
4) AWT is used for GUI programming in java? It is lightweight. It supports pluggable look and feel. It follows MVC (Model View Controller) architecture.
Which method is provided by Java AWT component?
Class java. awt. Component
| Method Summary | |
|---|---|
| boolean | action(Event evt, Object what) Deprecated. As of JDK version 1.1, should register this component as ActionListener on component which fires action events. |
| String | getName() Gets the name of the component. |
| Container | getParent() Gets the parent of this component. |
What is the superclass of Java component?
The abstract class MenuComponent is the superclass of all menu-related components. In this respect, the class MenuComponent is analogous to the abstract superclass Component for AWT components. Menu components receive and process AWT events, just as components do, through the method processEvent .
Is there a tutorial for AWT in Java?
Java AWT Tutorial. Java AWT components are platform-dependent i.e. components are displayed according to the view of operating system. AWT is heavyweight i.e. its components are using the resources of OS. The java.awt package provides classes for AWT api such as TextField, Label, TextArea, RadioButton, CheckBox, Choice, List etc.
Which is a component of the container class in AWT?
The Container is a component in AWT that can contain another components like buttons, textfields, labels etc. The classes that extends Container class are known as container such as Frame, Dialog and Panel.
Which is at the top of the AWT hierarchy?
Component class is at the top of AWT hierarchy. It is an abstract class that encapsulates all the attributes of visual component. A component object is responsible for remembering the current foreground and background colors and the currently selected text font.
How is a frame created in AWT in Java?
Frame is a subclass of Window and have resizing canvas. It is a container that contain several different components like button, title bar, textfield, label etc. In Java, most of the AWT applications are created using Frame window. Frame class has two different constructors, There are two ways to create a Frame.