Java’s equals() and hashcode() are two methods ... the task of comparing the whole state of the object much easier. Here’s a practical example with hashcode(). public class HashcodeConcept ...

Here’s an example ... that multiple inheritance (extending more than one class) can cause code deadlocks. Java’s engineers decided to avoid that. Another difference is that interfaces can ...

If you want to master functional programming, the best place to start is with the Java Function interface. This example will show you four different ways to implement this functional interface in your ...

There are only half a dozen classes you really need to master to become competent in the world of functional programming. The java.util.function package contains well over 40 different components, but ...