TheServerSide

Java Supplier interface example for functional programming

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 ...
InfoWorld

Regular expressions in Java, Part 1: Pattern matching and the Pattern class

Java’s character and assorted string classes offer low-level support for pattern matching, but that support typically leads to complex code. For simpler and more efficient coding, Java offers the ...
TheServerSide

Simple Java 8 Predicate example with lambda expressions and interfaces

A great deal of Java programming -- from conditional statements to iterative loops -- deals with the evaluation of true or false values. When you work with the JDK's Streams API and Lambda functions, ...
InfoQ

Reactor by Example

Reactor is a reactive streams library targeting Java 8 and providing an Rx-conforming API It uses the same approach and philosophy as RxJava despite some API differences It is a 4th generation ...
InfoWorld

Java persistence with JPA and Hibernate: Entities and relationships

The Jakarta Persistence API (JPA) is a Java specification that bridges the gap between relational databases and object-oriented programming. This two-part tutorial introduces JPA and explains how Java ...