Programming

Quick-reference sheets for Java language fundamentals and the Spring Boot framework.

Domain	Content
Abbreviations	Java and Spring Boot acronyms
Exam Coverage	Java certification exam mapping by topic
Language Fundamentals	Syntax, keywords, types, strings
OOP	Encapsulation, inheritance, polymorphism, abstraction
Functional Programming	Lambdas, streams, functional interfaces
Persistence	JDBC, JPA, ORM trade-offs
Spring Boot	Auto-configuration, starters, DI, actuator, profiles, observability, native images
Collections	List, Set, Map, concurrent collections