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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. Programmers frequently need to ...

Newcomers to the Java language often experience confusion. Their bafflement is largely due to Java’s palette of exotic language features, such as generics and lambdas. However, even simpler features ...

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 ...