Spring Boot RESTful Web Services Versioning Example

Overview

In this tutorial, we show you how to add versioning to REST API. In this example, we will look at 4 ways of versioning with Spring Boot RESTful services. URI Versioning, Request Parameter Versioning, Custom Request Header Versioning, Accept header Versioning.
Multiple Datasource in Spring Boot and JdbcTemplate - Spring Boot Tutorials for Beginners

Overview

This sample demonstrates how to configure multiple datasources with multiple databases and JdbcTemplate in Spring Boot Application.
In this example, we will retrieve all users from the user1 table in database 1, then append to all users retrieved from user2 table in database 2.
Finally, we display them to jsp file. We'll integrate Spring Boot with Bootstrap 4 & jQuery using Web Jar.
How to Encrypt and Decrypt files in Java 10

Overview

In this tutorial, we show you how to encrypt and decrypt a file using AES in Java 10 Example. We’ll encrypt the text.txt file using your secret key with the Advanced Encryption Standard (AES) as the symmetric encryption algorithm. Then we decrypt this file using the same secret key.