Dev.to
5/12/2026

Generics in Java Interview Q&A
Short summary
Educational reference on Java generics covering type parameters, generic classes, and runtime limitations including type erasure, primitive-type restrictions, and static-field constraints. Focused on interview preparation.
- •Generic classes use parameterized types (T) for type-safe, reusable collections
- •Key limitations: type erasure at runtime, no primitives, no generic arrays, no static generics
- •Standard Java certification prep content
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