We’ve had a pretty good look at the way it feels to use and compose some of the most important Java functional operations. Another important facet is code reuse. Say you needed to use that fancy ...

Type inference is particularly useful in complex operations involving generics nested within generics. Type inference became increasingly useful in Java 8 and later, where it extended to lambda ...

If this is an application requirement, the three best ways to solve the ‘multiple values per key in a map in Java’ problem are: Stick with the standard APIs and add a collection class like a ‘Vector’ ...

As you can see in the following var examples, the left-hand side of the assignment does not reference a Java types such as long, double or ArrayList. Instead, it uses the Java var keyword, which ...