Applet

Giriş
Applet sınıfları artık deprecate edildi. Açıklaması şöyle.

Although the java.applet package is still part of the Java SE specification, all classes have been deprecated since JDK 9.

Açıklaması şöyle

The Applet API, which has been deprecated since Java 9, is finally removed in Java 21. This removal reflects the industry shift away from browser-based applets and encourages the use of modern web technologies for building web applications.