Free Spring Boot courses available on Udemy and Coursera. Courses are made free for educational and marketing purposes. Most courses are free-to-audit, certificates available for $39. Spring Boot is essential skill for Java developers
Spring Boot displays generic error page when custom error page isn't found. Similar to restaurant's "out of order" sign
Telegram bot created using BotFather with bot-ending username. Spring Boot project requires telegrambots-spring-boot-starter and telegrambots-abilities libraries. Bot token must be kept safe and not pushed into codebase
Java applications need a main method class for running as a jar. Jar files bundle multiple Java class files into single archive
Springfox implementation of Swagger 2 is used for Spring REST API documentation. Spring Boot projects require springfox-boot-starter dependency. Configuration is done through Docket bean and ApiSelectorBuilder. Springfox UI provides interactive documentation interface
Spring is a mature Java framework for building web applications. Framework handles low-level aspects while focusing on business logic. Spring Boot is a popular choice for building web applications