Get a hands-on look at Java preview features, such as the JDK 13 text blocks, with this video tutorial that lays out how to run and compile to proper code in five easy steps.

Learn how to use the Command pattern to encapsulate requests as objects that you can execute alone or in sequence in your Java programs.

Generics in the Java Collections Framework Generics are integrated into Java Collections to provide compile-time type checking and to eliminate the need for explicit type casting.