Java super and extends tutorial Java Generics Tutorial













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In this tutorial, the issues around polymorphic declarations and type erasure in generic declarations are discussed. This leads on to a discussion of the super and extends keywords and how they solve these issues. Example code demonstrates their usage in action. • The full playlist is here:    • OCP8 - Generics and Collections (Enth...   • 0:00 Introduction • 0:21 Type Erasure • 1:01 Polymorphism issue • 4:33 extends - polymorphic declarations • 6:00 super - polymorphic declarations • 6:55 declarations for code examples • 7:25 extends example • 10:43 super example

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