Module 5 | Functional Programming and Lambda expressions

Objective

By the end of this module, students will be able to:

• Use inner classes
• Use functional interfaces and lambda expressions
• Use functional concepts, such as immutable lists and streams in Java

Resources: Part 1 (Lambda expressions, immutable lists)

Slides

• Inner classes (PDF file)
• Functional programming, part 1 (PDF file)
• Summary of inner classes and lambda functions (PDF file)

Youtube playlist:

• Lecture 5a (Playlist)

Java code examples (right-click to download):

• Example code: inner and anonymous inner classes (zip file)
• Example code: lambda expressions and Function interface (java source)
• Example code: sorting ducks (java source)

Exercises:

• Lambda expressions
• Functional list
• Functional list with generics
• Logical Circuit with functions

Resources: Part 2 (immutable lists part 2, streams, more on lambda expressions)

Slides

• Functional programming, part 2 (PDF file)
• Streams (PDF file)
• Optional (PDF file)

Youtube playlist:

• Lecture 5b (Playlist)

Exercises:

• FList with Cons and Nil
• MergeSort for FList
• Functional immutable tree
• Streams
• More streams
• Optional