Interested to learn more about jackson jr library? Then check out our detailed example on guide to Jackson-jr Library.

Stop making those rookie errors! This guide explores 15 common Java mistakes beginners make and shows you how to avoid them

Java RGB Color Representation: Learn about Java's RGB color representation, efficient integer encoding for colors in programming.

Discover how to efficiently create a Java PostgreSQL schema before executing Liquibase for schema management.

Explore why converting between the CLOB and String objects is often necessary when reading from or writing to databases.

Learn how to map LocalDateTime to Instant and vice versa using MapStruct.

Learn how to merge PDFs using Apache PDFBox and iText.

A quick and practical guide to converting XML to PDF in Java.

Explore effective methods in Java for finding the original indices after sorting.

Learn how to work with Apache Commons projects.

A quick tutorial on finding the minimum and maximum values in a multi-dimensional array in Java.

IntelliJ allows us to configure the JVM it uses for development and debugging. We look at how to set these configurations and how to share them with the team.

Discover the differences between Optional.of() and Optional.ofNullabe() in Java.

Explore some algorithms for checking whether a string is a permutation of another string.

Explore various approaches to converting Optional to ArrayList.

A quick tutorial on using MapStruct to convert enums to strings.

Implement the Elvis operator in Java 8 using the Optional class and ternary operator.

In Java, subList() creates a sub-list from a larger list, but it can throw an exception if you give it invalid starting or ending positions. Learn how to avoid this error.

Learn how to convert a short value to a byte[] array.

Explore a few approaches to finding the second smallest number in an array.