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YouTube

Lambda Expressions in Java - Performance and Advanced Applications

Java via YouTube

Overview

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Explore the world of lambda expressions in Java through this 44-minute presentation. Begin with a review of JDK 8 lambda expressions before delving into their performance implications, focusing on the use of invokedynamic instead of simple syntactic sugar for anonymous inner classes. Trace the 80-year history of lambda expressions back to Alonso Church's lambda calculus. Discover how a single new functional interface can theoretically solve any problem using only lambda expressions. Prepare for a mind-bending journey through topics including lambda expression syntax, method references, implementation differences, Church numerals, and solving basic arithmetic problems using lambdas. Challenge your understanding of Java programming and embrace a new perspective on functional programming concepts.

Syllabus

Intro
Java Lambda Expressions
Lambda Expression Syntax
Method References
Lambdas & Anonymous Inner Classes
Lambda Implementation
Implementation Differences
Exploding Head Lambdas • Java programmers are typically imperative programmers
Functional Interface
Function Basics (Booleans)
Church Numerals
Solving 2 + 2 With Lambdas

Taught by

Java

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