This article discusses the challenges of passing many arguments to a method in Java. It presents two design patterns to mitigate these issues: the Parameter Object Pattern and the Java Bean Pattern.

Learn about the Arrays mismatch() method.

Learn why Unsafe.park() is actually unsafe and get an insight into the interworking of the park() and unpark(Thread) methods.

Learn how to use share a memory area between two JVMs running on the same machine.

Explore how to dynamically route messages in Kafka Streams.

Spring 6.1 is getting closer, and we still have lots of things to explore in Java 21 :)

Learn to convert a ResultSet in to a HashMap in Java.

Explore the nuances of comparing Number objects, and find detailed insights and code examples for each strategy.

Learn how to convert a HashSet into an array using the toArray() method of the HashSet class.

In-memory HTTP server, SSL hot reloading, Kotlin multi-platform, new reactor features, and API versioning!

Explore various approaches to converting a Hex String into an int in Java.

Learn the difference between final static and static final.

Learn about mutable Strings and ways of mutating a String.

Learn various methods for retrieving the first and last key-value pairs from a LinkedHashMap

Explore ways of transforming a stream into a Map or Multimap in Java using various approaches and libraries.

Learn about the Vector class and explore some of its most common operations and methods.

Learn how to round the date using the java.util.Date, as well as LocalDateTime and ZonedDateTime.

Learn various ways to locate the n-th occurrence of a substring within a string using iterative, recursive, and regex-based solutions.

In this tutorial, we learn how to iterate over the characters of a String in Java.

Learn how to obtain the first date of the current month in Java using JDK classes and third-party libraries like Joda Time.

Learn how to check if a Java string contains only Unicode letters.