13 Facts About Java Swing

Java Swing was developed to provide a more sophisticated set of GUI components than the earlier Abstract Window Toolkit .

Java Swing provides a look and feel that emulates the look and feel of several platforms, and supports a pluggable look and feel that allows applications to have a look and feel unrelated to the underlying platform.

Unlike AWT components, Java Swing components are not implemented by platform-specific code.

Java Swing introduced a mechanism that allowed the look and feel of every component in an application to be altered without making substantial changes to the application code.

JavaFX is replacing Swing owing to several advantages, including being more lightweight, having CSS styling, sleek design controls, and the use of FXML and Scene Builder.

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Java Swing is a component-based framework, whose components are all ultimately derived from the JComponent class.

For example, a Java Swing-based application is capable of hot swapping its user-interface during runtime.

However, at its core, every Java Swing component relies on an AWT container, since JComponent extends Container.

Java Swing library makes heavy use of the model–view–controller software design pattern, which conceptually decouples the data being viewed from the user interface controls through which it is viewed.

View component of a Java Swing JComponent is the object used to graphically represent the conceptual GUI control.

Much of the Java Swing API is generally a complementary extension of the AWT rather than a direct replacement.

However, later versions of Java have fixed these issues, and both Swing and AWT components can now be used in one GUI without Z-order issues.

Notice how all instantiation and handling of Java Swing components are done by creating an instance of the class, which implements the Runnable interface.