A quick and practical guide to low-level bitmasking using bitwise operators.
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Architecture of a Geospatial Application with Java
A comprehensive introduction to geospatial applications in Java.
Send Large Messages With Kafka
A quick and practical explanation of how to send large messages with Kafka.
“Code too large” Compilation Error in Java
Learn what causes the compiler error “code too large”, along with situations where we might encounter it and what we can do to fix it.
Iterate Over a Set in Java
Learn look at how to iterate over the elements of a Set in Java.
Kafka Streams vs. Kafka Consumer
Learn how Kafka Streams simplify the processing operations when retrieving messages from Kafka topics.
Project Reactor: map() vs flatMap()
Understand the map() and flatMap() methods from Project Reactor.
When to Use a Parallel Stream in Java
In this tutorial, we’ll explore the differences between sequential and parallel streams using Stream Api.
Getting the Java Version at Runtime
Learn to find the Java version at runtime.
Decode a JWT Token in Java
JWT is used to provide a user’s credentials to a web service. We look at how to read the contents of a JWT and verify its authenticity.
A Guide to MultipleBagFetchException in Hibernate
Learn about the MultipleBagFetchException in detail.
New Features in Java 15
Look at some of the new features of Java 15 as well as other changes that are of interest to Java developers
Introduction to Netflix Mantis
Let’s learn about Netflix Mantis Platform and some of the cool features it offers.
Apache Spark: Differences between Dataframes, Datasets and RDDs
Explore three of the Spark basic concepts: dataframes, datasets, and RDDs.
Passing Command Line Arguments in Gradle
Learn how to pass command-line arguments from Gradle
Reading a Line at a Given Line Number From a File in Java
Learn different ways of reading a line at a given line number inside a file
Using application.yml vs application.properties in Spring Boot
Spring Boot supports both .properties and YAML. We explore the differences between injecting properties, and how to provide multiple configurations.
Version Comparison in Java
Explore a few ways to compare version strings in Java through various libraries
Why Are Local Variables Thread-Safe in Java
Learn why local variables are thread-safe in Java.
Inject Arrays and Lists From Spring Properties Files
Learn various ways to use @Value and SpEL to inject property values as arrays or lists in Spring
