What is an Inner Interface in Java? - DZone

inner interface is also called nested interface, which means declare an interface inside of another interface. for example, the entry interface is declared in

Java Resources

What is the advantage of collection framework in Java? How would you explain what collections are in Java? - Quora

Design Patterns Refcard PDF, PDF, Class (Computer Programming)

Why would a method ask for an interface to be passed as a parameter in one of its arguments? - Quora

Contexts and Dependency Injection for the Java EE Platform - DZone Refcardz

Interface in java

The JVM Architecture Explained - mdnice 墨滴

Nested Interface in Java - Dinesh on Java

How to Access Inner Classes in Java? - GeeksforGeeks

Why java Iterator interface should be implemented as inner class? - Stack Overflow

Java Nested Interface:- Interface inside Interface

Java Memory Management for Java Virtual Machine (JVM)

Java 8 (A Comprehensive Look) - DZone