Overview of Java Collections Framework API (UML diagram)

The Java collections framework has a very complex API hierarchy.

The following class diagram shows a brief overview of the Java Collections Framework which is divided into four groups: List, Set, Map and Queue. Only the principal, commonly-used interfaces and classes are listed.

 Class diagram of Java Collections framework

There are also more detailed class diagrams for each group:

•  Class diagram of List API
• Class diagram of Set API
• Class diagram of Map API
• Class diagram of Queue API

Other Java Collections Tutorials: 

• What is Java Collections Framework?
• Java List Tutorial
• Java Set Tutorial
• Java Map Tutorial
• Java Queue Tutorial
• 18 Java Collections and Generics Best Practices

About the Author:

Nam Ha Minh is certified Java programmer (SCJP and SCWCD). He began programming with Java back in the days of Java 1.4 and has been passionate about it ever since. You can connect with him on Facebook and watch his Java videos on YouTube.