iot

Internet Of Things

1)OOPS concepts (Encapsulation, Polymorphism, Inheritance, Abstraction)

2)Static, Access specifiers, getters & setters

3)Packages & Interfaces , Dynamic resolution

4)Exception Handling (when to use which exception), Wrapper class, POJO (Plain Old Java Object: A class which has only variables, constructors and getters & setters but no major business logic)

5. Autoboxing, unboxing, has-a & is-a relationship, HasA : Composition & Aggregation.

Immutable classes

6)Inheritance (super, this), Overriding, Overloading, Multithreaded Programming

7)Annotations (JDK annotations); String Pool

8. what is JVM? Performance? Heap, stack, differences? out of memory errors.

9)Garbage collection

10. Java collections: implementation of utilities (collections); Concurrent modification exception. Comparable & Comparator Hashcode and equals

Cloning, Serializable (Serialization), Generics, Transient

11. Enumerations and Annotations (Metadata)

12. Generics and I/O

13. Event Handling

14. The Concurrency Utilities

15. Regular Expressions

16. Servlets

Frameworks:

1. Spring and Springboot

2. Microservices design principles

3. No SQL Databases

4. Hibernate

5. Kafka (events)

6. Data Indexing and parsing (searching): Elastic search

7. MVC: Model View Controller

8. EAPIS?

Misc:

1. Formatting and plugins

2. Unit testing; Logs

3)Eclipse and other IDEs

4. Functional Programming

5. Checkins : GIT HUB

6. OATH Implementation, JWT

7. HTTP Protocol

8. Serverless Architechture

9. Jenkins configuration and build files

10. Build process- build with maven

11)Integrate with UI and DB

12. UML diagrams