Almost every Code challenges require you to read input from stdin (standard input) and write output to stdout (standard output). One popular way to read input from stdin in Java language is by using the Scanner class and specifying the Input Stream as System.in. Let check it

1. Introduction Simply put, Spring Security supports authorization semantics at the method level. Typically, we could secure our service layer by, for example, restricting which roles are able to execute a particular method – and test it using dedicated method-level

This post will enable experts as well as beginners with Spring Boot web application development to understand the concepts behind a web application. It will explain these concepts by walking the reader through the process of developing a web application

The last released version of Spring Boot 1.x was 1.5.10.RELEASE, after which Spring Boot 2.0 was released in early 2018. As Spring Boot 2.0 is a major release it has JVM level, platform level, application programming interface (API) level, and dependencies level changes, which must be

Standalone: A Spring Boot application is self-contained and easily deployable. It can start with its own embedded Tomcat, Jetty, Undertow web container, or as a console application from a just standard file such as Java Archive (JAR) or Web Archive (WAR). An example of this would be an application that has spring-boot-starter-web as