Java learning resources: a checklist for learning a profession, the best tutorials

OOP
1. Polymorphism
2. OOP principles
JAVA BASICS
1. Java (JDK, JVM, JRE, Compiler)
2. Data types
3. Primitives
4. Type conversion
5. Logical/Mathematical operations
6. Reference types
7. Arrays
8. Working with strings
9. Conditional operators
10. Cycles
11. Classes, Objects, Interfaces
12. Exceptions
13. Collections
14. What’s new in Java8?
15. Input/Output
16. Multithreading
17. Work with Database, JDBC
18. Servlet API
JAVA FRAMEWORKS, LIBRARIES, AND TOOLS
1. Maven
2. Git
3. Spring
  - Web
  - Data
  - Security
  - Boot
4. Hibernate
5. Apache Commons
6. Apache Tomcat
DATABASES
1. MySQL
2. MongoDB
3. H2
CLIENT ENVIRONMENT
1. HTML
2. CSS
3. JavaScript
SUGGESTED REFERENCES
1. Cay Horstmann – Core Java. Volume 1: Fundamentals. Chapters 1-3
2. Bob Martin – Clean Code: Creation, analysis, and refactoring
3. Joshua Bloch – Effective Java. 3rd Edition
4. Natalia Voitiushenko, Alla Ostapets – Informatics and Computer Engineering

Learning resources Java