Learn how to use OpenAPI Generator Custom Templates to generate customized client and server code from REST API definitions.
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Get the Initials of a Name in Java
Learn how to get the initials of a name in Java.
Finding the Parent of a Node in a Binary Search Tree with Java
BSTs efficiently solve problems, including finding a node’s parent. Learn approaches to locate a node’s parent, considering edge cases.
Document Query Parameters with Spring REST Docs
Learn how to combine writing documentation and writing APIs with Spring REST Docs.
Modify and Print List Items With Java Streams
Learn to modify or transform a Java list and print its new elements.
Gson TypeToken With Dynamic List Item Type
Learn how to convert a JSON array into an equivalent List with Gson.
Spring Data JPA Repository for Database View
Learn how Spring Data repositories can be effectively applied to database views
Testcontainers Desktop
Learn how to use the Testcontainers Desktop application, a simple yet powerful tool for running Testcontainers.
@DataJpaTest and Repository Class in JUnit
Learn how to use @DataJpaTest to test our JPA repository in JUnit.
Increase the Memory Size Limit on IntelliJ IDEA
A quick and practical guide to increasing memory size limit on Intellij IDEA.
Message Acknowledgement in Spring Cloud AWS SQS v3
Learn how to use the Spring Cloud AWS SQS v3 library to interact with AWS queues with different message acknowledgement modes.
Simple Web Server in Java 18
Learn about Simple Web Server in Java 18 and how it works.
OAuth2 Backend for Frontend With Spring Cloud Gateway
In this tutorial, we implement the OAuth2 Backend for Frontend (BFF) pattern with Spring Cloud Gateway and spring-addons.
Check if String is Base64 Encoded
Explore several methods of verifying if a string is Base64 encoded..
Difference Between thenApply() and thenApplyAsync() in CompletableFuture
Explore the functionalities and differences between the thenApply() and thenApplyAsync() methods in Java’s CompletableFuture.
Calling Custom Database Functions With JPA and Spring Boot
Explore various approaches to calling custom database functions within JPA and Spring Boot applications.
CompletableFuture runAsync() vs. supplyAsync() in Java
Learn about two essential methods offered by Java’s CompletableFuture, explore their differences, use cases, and when to choose one over the other
Understanding Kafka InstanceAlreadyExistsException in Java
Explore the significance of the InstanceAlreadyExistsException within Apache Kafka and how to mitigate the issue.
View Kafka Headers in Java
Learn about commonly used Kafka headers and learn how to view and extract them using Java.
Logging With AOP in Spring
A quick tutorial on AOP logging with Spring.