From new syntax for functional programming styles, to lambdas, collection streaming, and method references as first class citizens, Groovy developers will have an edge when writing Java code in ...

Java 8 was released in March 2014 and introduced lambda expressions as its flagship feature. This article sheds light on how Java 8 lambda expressions and method references are implemented under ...

Also known as the Java 8 Predicate -- which stems from the JDK version where functional programming was introduced to developers -- this simple interface defines five methods, although only the Java ...

Before Java 8, a Java application consisted of at least one class that declared a main() entry-point method. Starting with Java 8, you can accomplish this task with an interface.

This post explains how to call a method in Java. Learn how to define methods, call them from other classes, and pass arguments!

Java 8 introduced a new list () method in java.nio.file.Files. The list method returns a lazily populated Stream of entries in the directory. As such, it is more efficient for processing large ...

There is a reason why Java method modifiers exist. If you call public methods internally and don't understand why, your developers could face major class issues.

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions.