Good programmers need to create code that efficiently solves problems, using various methods. A popular academic exercise is to create a program that determines if a number or String is a palindrome.

If you master those five components, you’ll have no problem figuring ... and Predicate example: The functional Predicate interface gets used extensively by the Java 8 Streams API. Any developer who ...

and designed for similar problems Java solves. But because it’s a clean slate in many ways, Kotlin adds a lot of nice-to-have features, a much cleaner syntax, ideas from functional programming ...