Generics

Motivation for Generics

Type Safety

Eliminating Casts

Defining Generic Types

Using Type Parameters

Multiple Type Parameters

Method-Level Type Parameters

Usage Examples

Upper Bounds

Lower Bounds

Multiple Bounds

Upper Bounded Wildcards (? extends Type)

Lower Bounded Wildcards (? super Type)

Unbounded Wildcards (?)

How Type Erasure Works

Implications for Runtime

Bridge Methods