_summary.txt

General:
    Core:
        core.multithreading.udemy: creating threads, volatile/synchronized, thread pools

        core.misc: enum; classpath print; observer pattern

    jbool: boolean expressions parser and resolver

    junit.basic: asserts, suites, multi-params, rules


Rest-Jersey2: (Jersey is implementation of JAX-RS api)
    jersey.my: config xml/java, conflict resolutions

    jersey.tPoint: Showcase of CRUD, client impl


Spring.1.Core:
    Spring beans & IoC, AOP basics
    Scheduler, Initializer


Spring.2.MVC:
    simple examples. Old concept? https://www.quora.com/What-is-the-difference-between-normal-Spring-MVC-and-Spring-RESTful-web-com.jr.service


Spring.3.Boot-Rest-H2:
    CRUD Rest with boot, cascade delete, Projection(partial query), transactions, h2 persist, tests, aop logging+log config



LINKS(полезное, но не представлено в проекте):
 - Collections:    https://habrahabr.ru/post/237043/ - иерархия и описание структур ;  http://www.quizful.net/post/Java-Collections - то же
 - Exceptions:   http://www.javamex.com/tutorials/exceptions/ExceptionHierarchy.png  - иерархия исключений(checked/unchecked)
                 https://www.tutorialspoint.com/java/java_exceptions.htm - методы, примеры, всё что надо