Keywords const vs. final in Java. The final keyword can be considered the Java languages equivalent for const.. If a Java developer wants a variable to be constant, they mark that variable as final.A ...

See the Java 101 Java interfaces tutorial for a more in-depth introduction to using interfaces in your Java programs, including where and where not to use default, static, and private methods.

Sealed classes make Java an even more powerful and expressive language and set the stage for even more sophisticated techniques such as pattern matching, which we'll explore in a subsequent article. A ...