* BAEL-6083: Update Spring Boot, initial tests
* BAEL-6083: Fix tests
* BAEL-6083: Add post method
* BAEL-6083: Failing POST test
* BAEL-6083: Remove POST test
* BAEL-6083: Fix POST tests
* BAEL-6083: Add delete method
* BAEL-6083: Add id field
* BAEL-6083: Exception handling
* BAEL-6083: Refactor
* BAEL-6083: Use Java 17
* BAEL-6083: Update Mockito to use BDD and deep mocks
* BAEL-6083: Unused vars
* added multiple bean instantiation
* added module /spring-core-6 and formatting changes
* resolved formatting issues as suggested
* resolved formatting issues and changed package names
* formatting changes in XML files
* Reformatted XML files as per the instructions
* FIXED Example in Section 3 and some changes in Pom.xml
* changed xml config to Java config in solution 3
* Project updated to spring boot application
* Removed unwanted spring dependencies from pom.xml
* moved the project under new module spring-core-6
* added spring-core-6 module in parent's pom.xml
* resolved formatting issue in parent's pom.xml
* new module entry in parent's pom
* final commit
* Added spring-core-6 in parent's pom.xml
* fixed some merging issues.
* added spring-core-6 module entry under jdk9-and-above profile in main pom
* removed App.java from multibeaninstantiation directory