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Tutorials under 'Sets'

Practical, example-driven posts focused on Java, Spring Boot, backend design, and performance.

Generics with Collections in Java: Lists, Sets, and Maps

Learn how Java Generics work with Collections Framework. Explore Lists, Sets, and Maps with type safety, PECS principle, wildcards, and best practices.

Java Generics Tutorial PECS Principle Maps Java Collections Lists Sets Wildcards Type Erasure Generic Methods Generic Classes Bounded Types