Spring boot ServiceConnection example: Learn to connect Spring Boot apps with external services efficiently.

Confused about async options in Java? Demystify CompletableFuture and the new virtual threads in Java 21

Spring Spy vs. Spybean: Explore the differences between Spring's @Spy and @SpyBean annotations for effective mocking in testing scenarios.

Explore using Spring Data JPA Repository to interact seamlessly with a database view in Spring applications.

Discover methods in Java to get the first n characters from string, including Apache Commons Lang and Guava.

Learn how to find the date of Easter Sunday for the given year using three algorithms in Java.

Learn how to handle the symmetric substring expansion methods, taking into account the specific requirements such as input size and computational efficiency.

Learn about overriding the toString() method and handling the potential null within.

Explore scenarios where we may need to pass a class as a parameter, enabling dynamic behavior and flexibility in our code.

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.

Discover the differences between PrintWriter's write() and print() methods.

Learn how to perform complex-number operations in Java.

Learn how to install Oracle JDK via DMG package and OpenJDK via Homebrew package manager

Learn how to navigate through collections and arrays using the Iterator inteface and forEach() method.

Learn about the new features of Java 21, like record patterns and switch enhancements for cleaner code.

In this tutorial, we learn various approaches to setting a matrix's entire row and column to zero if one of the elements is zero.

In this tutorial, we learn how to convert a protobuf Timestamp instance to a Java LocalDate.

Explore different Java methods for normalizing EOL characters.

Learn how to take a Java collection of intervals and merge the overlapping ones.

Learn to check if an element is in a Set in Java.

Learn when to use setter methods or constructors for setting the value of a variable in Java.