![AngelikaLanger.com - Java Generics FAQs - Under The Hood Of The Compiler - Angelika Langer Training/Consulting AngelikaLanger.com - Java Generics FAQs - Under The Hood Of The Compiler - Angelika Langer Training/Consulting](http://www.angelikalanger.com/GenericsFAQ/Diagrams/bounds.2.jpg)
AngelikaLanger.com - Java Generics FAQs - Under The Hood Of The Compiler - Angelika Langer Training/Consulting
![Generics, Inheritance, and Subtypes (The Java™ Tutorials > Learning the Java Language > Generics (Updated)) Generics, Inheritance, and Subtypes (The Java™ Tutorials > Learning the Java Language > Generics (Updated))](https://docs.oracle.com/javase/tutorial/figures/java/generics-subtypeRelationship.gif)
Generics, Inheritance, and Subtypes (The Java™ Tutorials > Learning the Java Language > Generics (Updated))
![java - Upper-bound wildcard (extends) not working; ArrayList<? extends SuperType> doesn't allow instances of subtype - Stack Overflow java - Upper-bound wildcard (extends) not working; ArrayList<? extends SuperType> doesn't allow instances of subtype - Stack Overflow](https://i.stack.imgur.com/JFJRZ.png)
java - Upper-bound wildcard (extends) not working; ArrayList<? extends SuperType> doesn't allow instances of subtype - Stack Overflow
![java - Upper-bound wildcard (extends) not working; ArrayList<? extends SuperType> doesn't allow instances of subtype - Stack Overflow java - Upper-bound wildcard (extends) not working; ArrayList<? extends SuperType> doesn't allow instances of subtype - Stack Overflow](https://i.stack.imgur.com/QpsTK.png)
java - Upper-bound wildcard (extends) not working; ArrayList<? extends SuperType> doesn't allow instances of subtype - Stack Overflow
![Java Tutorial: Generics in java | Java Generics [Wildcard in Java Generics] | Java tutorial, Learn computer science, Java programming tutorials Java Tutorial: Generics in java | Java Generics [Wildcard in Java Generics] | Java tutorial, Learn computer science, Java programming tutorials](https://i.pinimg.com/736x/d9/20/7b/d9207bab7b093536d666286c1df7a372.jpg)