• hw1: branch out from lec_3; create your own context (xml or java) and write a test using spring-test module and @RunWith annotation; upon accomplishment, create a pull request to that branch
• hw2: branch out from lec-6-hibernate and write the save(List<T> entities) method for plain jdbc and jdbctemplate repositories
• hw3:

1. branch out from lec-7-springdata and practice writing queries using Spring Data Query Language https://docs.spring.io/spring-data/jpa/docs/2.1.10.RELEASE/reference/html/
2. explore @Transactional: propagation, isolation etc

• hm4: branch out from lec-8-mvc and create ExceptionHandler to handle some kind of custom exception thrown from Controller