Learn how to do lazy field initialization with lambdas in Java.

Learn all about the callback mechanisms in ListenableFuture and CompletableFuture.

Learn how to read bytes that were already written to an OutputStream.

A quick and practical guide to dockerizing a Java application.

Explore two approaches to recursively summing integers in an array and analyze their performance using the JMH tool.

A quick and practical guide to Docker Client for Java.

Learn how to convert a string into a list of charactеrs in Java.

Explore different ways to determine if the current iteration is the last one when we loop over a Java List.

Explore the subtle yet significant distinctions between BigDecimal.ZERO and new BigDecimal(0) and discuss when to choose one over the other.

Explore various techniques for formatting a LocalDate to the ISO 8601 format. This format includes the 'T' separator and the 'Z' indicating UTC time.

Learn how to split large files into small files by size and the specified number of files.

Discover various ways of finding a string among a group of strings using a single expression.

Optimize Docker images for efficient, secure deployments. Learn best practices for streamlined CI/CD and scalable containerized applications.

A quick and practical guide to compressing/uncompressing a byte array using the Deflater/Inflater classes.

Learn the differences between defining a long value using literal representation and casting an int value to a long.

Explore two different approaches to rotating a string by n characters.

Explore several approaches for writing strings to an OutputStream in Java.

Explore UTF-8 encoded bytes and string conversion and different types of UTF-8 validation based on byte and stream.

Explore several approaches to chеck if a Java StringBuildеr objеct contains a specific character.

Explore various approaches for sorting a list based on the order of elements in another list.