← Exit to Module 12: Generics and Type Safety lessons
Module progress · 0%Lesson · 15 min
Module 12: Generics and Type Safety
Lesson focusGeneric Methods
Parameterize individual methods even inside non-generic classes.
01 · 12 minWhy Generics?Locked02 · 16 minGeneric Classes & InterfacesLocked03 · 15 minGeneric MethodsLocked04 · 18 minBounded Type ParametersLocked05 · 16 minWildcards & VarianceLocked06 · 14 minType Erasure & LimitationsLocked07 · 30 minMini-Project: Generic Data StructureLocked
Place type parameters before the return type: <T> void print(T value).
Static helper methods frequently use generic type parameters to remain reusable.
Combine method-level generics with wildcards to express flexible signatures.