Java 11 is getting long in the tooth, so many developers are moving to the next oldest version that's still supported, Java 17. Here's what's different.

Records are the Java version of named tuples - basically containers for an ordered sequence of elements. When using records, it's no longer possible to decouple the API and the representation ...

Learn the four types of polymorphism in Java, ... The instanceof operator detects that variable superclass‘s instance was not created from Subclass and returns false to indicate this fact.

Introduced with the Java 17 release, pattern matching enhances the instanceof operator so Java developers can better check and object's type and extract its components, and more efficiently deal with ...

For example, the following code prints out: 6:20 at night. String currentDaySupport = DateTimeFormatter. ofPattern (" h:m B ").format(LocalTime. now ()); System. out.println(currentDaySupport); ...