class of java awt package

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the abstract window toolkit (awt) is a set of apis used in java for building graphical user interfaces (guis). awt provides a set of components (like buttons, text fields, and labels) and a framework for managing events (like mouse clicks and key presses).

one of the key classes in the awt package is the `frame` class, which represents a window with a title bar.

tutorial on awt frame class

1. overview of the frame class

the `frame` class is a top-level container that can hold other components, such as buttons, text fields, and labels. to create a simple gui application, you typically follow these steps:

1. create a frame.
2. add components to the frame.
3. set the layout for the frame.
4. make the frame visible.
5. handle events (like button clicks).

2. basic components of awt

**label**: displays a short string or an image icon.
**button**: a push button that can trigger an action.
**textfield**: a single-line text input field.
**textarea**: a multi-line area to display/edit text.
**checkbox**: a box that can be checked or unchecked.

3. example code

below is a simple example of a java awt application that creates a window with a button and a label. when the button is clicked, the label text changes.



4. explanation of the code

1. **imports**: the necessary classes from the `java.awt` and `java.awt.event` packages are imported.

2. **class declaration**: the `awtexample` class extends `frame` and implements `actionlistener`.

3. **constructor**:
a label and a button are created.
the button is set to listen for action events (clicks).
components are added to the frame, and layout is set to `null` for absolute positioning.
frame properties are set, including size and visibility.
a `windowlistener` is added to handle window closing events.

4. **action handling**: the `actionperformed` method is overridden to change the label text when the button is clicked.

5. **main method**: the `main` method creates an insta ...

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