A brief comparison between class and instance methods in Java.

Learn how to create a REST API using the open-source RestExpress framework.

Learn three approaches to perform case-insensitive searching in ArrayList.

Learn how record patterns allow us to extract the values of a record into variables using pattern matching.

MongoDB, Spring Modulith, liveness and startup probes for Spring Boot, Kafka on K8S, JVM debugging internals, and BigTable pagination in Java. Happy New Year :)

A comparison between two classes to output content: PrintWriter and PrintStream, explaining the similarities and differences between them.

How to convert a byte array into a class which implements the Spring MultiPartFile interface.

Why IllegalArgumentException is thrown and how to fix in it in Java.

Learn a few techniques for checking if the command-line arguments are missing in a Java program.

Discover strategies to normalize lists of objects to strings in Java.

Learn about the findFirst() and findTop() methods from Spring Data JPA.

Explore how to accomplish batch processing of Stream data in Java using both native features and some third-party libraries.

Learn how to turn a String containing Java source code into a compiled class and then execute it.

Explore different types of runtime data areas and their purpose.

Learn how to convert numbers from one base to another in Java.

Explore the importance of checking for null variables in our Java classes.

Explore how to store triples in a list with examples.

A quick and practical comparison between lambda expressions and anonymous inner classes.

Threads are everywhere, they are the basic building block of every server application out there. Usually in Java using threads is just a combination of

Dynamic proxies in Java is a simple and very useful feature. Usually we create an interface implementation and then compilation is involved. With dynamic

 In Java 21, old code might run significantly faster due to recent internal performance optimizations made in the Java Core Libraries. In this