The Java Tutorials have been written for JDK 8. Examples and practices described in this page don't take advantage of improvements introduced in later releases and might use technology no longer available.
See Java Language Changes for a summary of updated language features in Java SE 9 and subsequent releases.
See JDK Release Notes for information about new features, enhancements, and removed or deprecated options for all JDK releases.
javax.swing.JComponent.setFont
to change the font of a component.javax.swing.text.JTextComponent.setText
to change the text of a component.SwingWorker
has two type parameters. Explain how these type parameters are used, and why it often doesn't matter what they are.Flipper
example so that it pauses 5 seconds between "coin flips." If the user clicks the "Cancel", the coin-flipping loop terminates immediately.