A quick and practical guide to combining multiple collections in Java
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Monads in Java
Learn about monads and how they can help deal with effects.
How to Iterate a List of Maps in Java
Explore various techniques for iterating through a List of Maps in Java.
Converting Float ArrayList to Primitive Array in Java
Learn how to convert an ArrayList of wrapper classes into an array of primitives.
Get Nextval From Sequence With Spring JPA
Explore a few approaches for fetching the next value from a database sequence using Spring Data JPA.
Role-Based Access Control in Quarkus
Explore the RBAC system and learn how to leverage the Quarkus framework to implement it.
Exploring Complex Number Arithmetic Operations in Java
Learn how to perform complex-number operations in Java.
Intro to the Apache Commons Compress Project
In this tutorial, we explore Apache Commons Compress, a library for file compression, archiving, and extraction. It supports various formats like TAR, ZIP, GZIP, BZIP2, and more.
Join Two Tables Using jOOQ
Explore various types of joins available in jOOQ.
New Features in Java 21
Learn about the new features of Java 21, like record patterns and switch enhancements for cleaner code.
Find Map Keys with Duplicate Values in Java
Learn how to find map keys associated with duplicate values in Java.
Flatten a Stream of Maps to a Single Map in Java
Learn to combine a stream of maps into a single result map in Java.
Check if a Given Time Lies Between Two Times Regardless of Date
Explore ways to determine if a particular time lies within the two times without considering dates.
Representation of Integers at a Bit Level in Java
Understanding how Java represents integers can help us with certain mathematical operations. In this article, we look at integer representation and how to use bitwise operations with Java numbers.
Get the Initials of a Name in Java
Learn how to get the initials of a name in Java.
Introduction to JFreeChart
We may wish to add charts or graphs to our GUIs in Java. We look at how to achieve this with JFreeChart.
Document Query Parameters with Spring REST Docs
Learn how to combine writing documentation and writing APIs with Spring REST Docs.
Get a Range of Items from a Stream in Java
Learn how to efficiently retrieve a range of items from a stream in Java.
Check if a String Is Equal to Its Mirror Reflection
Learn how to check if a String is its own mirror image in Java.
How To Use findBy() With Multiple Columns in JPA
Learn how to use the query derivation feature of Spring Data JPA to find entities by one or more columns.