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Tutorials under 'Extends Vs Super'

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

Upper vs Lower Bounds in Java Generics: When to Use extends vs super

Learn the difference between upper and lower bounds in Java Generics. Understand when to use extends vs super with PECS principle, wildcards, and real-world examples

Java Generics Tutorial PECS Principle Type Safety Extends Vs Super Best Practices Wildcards Type Erasure Generic Methods Generic Classes Bounded Types