Can have instance mutable fields, parameters, or local variables. Only functional interfaces can use the lambda feature in Java. Abstract classes with only one abstract method cannot use lambdas.

In this article, he dives into Local Variable Type Inference. Java SE 10 (March 2018 ... not declaration of API elements; the types of fields, method parameters, and method returns must always ...

Here is a list of the five most useful Java command-line tools that developers need to master to become productive members of their teams. The javac utility is the most important command-line ...

The Java Iterator is an all-purpose interface that simplifies looping through a collection of objects. Java's ListIterator provides all the functionality of the Iterator interface, with four ...