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In this article, we’ll learn how to compose emails using Thymeleaf template and send emails using spring framework’s JavaMailSender.

In this tutorial, we’ll learn how to zip a file or directory into an archive and how to unzip the archive into a directory using Java core libraries.

In this tutorial, we’ll learn different methods to convert long primitive or Long object to String in Java

In this article, we’ll learn how to configure a FeignClient with SSL and Proxy Connection using ApacheHttp5 in your Spring Boot project.

Java 8 stream is widely used feature to write code in functional programming way. In this tutorial, we’ll discuss how to use Streams for Map creation, iteration and sorting.

If you are planning or preparing for AWS Certified Solutions Architect Associate (SAA-C02) exam then this article is for you to get started.

In this article, we’ll learn how to automate the build & deployment of Spring boot based microservices using Docker, Jenkins, Gradle and Git.

Documentation is essential when you are building RESTFul APIs in spring boot application. In this tutorial, we’ll learn how to configure the documentation using OpenAPI in Spring Boot.

In this quick tutorial, we’ll learn how to change default Feign Client implementation to ApacheHttpClient or OkHttpClient in Spring Boot application.

In this quick tutorial, we’ll configure embedded Undertow server by replacing it with default Tomcat server in Spring Boot web application.