Introduction to Clojure Course | DevelopIntelligence

Course Summary

The Introduction to Clojure training course will help Java developers, as well as those with other backgrounds, get up to speed with Clojure, a general purpose programming language which boasts immutable data structures, novel concurrency primitives, and strong facilities for interacting with the rest of the Java ecosystem. Since it is a Lisp, it is also completely dynamic, offers a wealth of functional programming facilities, and has a powerful macro system.

The course begins with installing Clojure and related tools and interacting with Clojure via the read-eval-print-loop (REPL). Next, the course dives into creating functions, data-structures, macros, and types. The course concludes with a lesson on the use of functional programming constructs like map and reduce and an overview of designing, implementing, and testing Clojure programs

Purpose

Learn how to build applications using Clojure.

Audience

Developers interested in Clojure.

Role

Software Developer

Skill Level

Intermediate

Style

Hack-a-thon - Learning Spikes - Workshops

Duration

3 Days

Related Technologies

Clojure

Java

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Productivity Objectives:

Identify the fundamentals of Clojure programming
Discover the productivity that comes from functional programming
Build a non-trivial Clojure application

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Real-World Content

Project-focused demos and labs using your tool stack and environment, not some canned "training room" lab.
Expert Practitioners

Industry experts with 15+ years of industry experience that bring their battle scars into the classroom.
Experiential Learning

More coding than lecture, coupled with architectural and design discussions.
Fully Customized

One-size-fits-all doesn't apply to training teams. That's where we come in!

What You'll Learn

In the Introduction to Clojure training course, you'll learn:

The Clojure Ecosystem
- Installing Clojure
- Clojures built-in read-eval-print-loop (REPL)
- Leiningen
- nREPL
Clojure Syntax
- Primitive data types
- Keywords and symbols
- Collections: lists, vectors, maps, and sets
- Invoking functions
- Defining vars
- Binding names with let
- Namespaces
Functions
- Defining functions
- Pre- and post-conditions
- Anonymous functions
- Function literals
- Keyword and variadic arguments
Control Flow
- Conditionals: if, when, cond, and friends
- Recursion
- Loops
- Exception handling
The seq Abstraction
- first and rest
- Building seqs via cons
- Laziness via lazy-seq
Functional Programming
- “Pure” functions and side effects
- apply, partial, and comp
- Functions on seqs: map, reduce, and friends
- Threading operators
Macros
- “Code as data”
- Expanding macros
- Defining macros
- Syntax quoting
Parallel Programming and Concurrency
- Vars and dynamic scope
- Delays Futures and Promises
- Atoms, Refs, and Agents
Java Interop
- Clojure syntax for Java constructs
- reify, proxy, and gen-class
- Exceptions
- Calling Clojure from Java
Polymorphism and Types
- reify and proxy
- Multimethods
- Protocols
- Creating types with defrecord and deftype
Testing with clojure.test
- Defining tests with deftest
- Assertions with is and are
- Test fixtures
- Using with-redefs for mocking behavior