Julia as a Second Language

ebook

By Erik Engheim

cover image of Julia as a Second Language

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Learn the awesome Julia programming language by building fun projects like a rocket launcher, a password keeper, and a battle simulator.
Julia as a Second Language covers:
  • Data types like numbers, strings, arrays, and dictionaries
  • Immediate feedback with Julia's read-evaluate-print-loop (REPL)
  • Simplify code interactions with multiple dispatch
  • Sharing code using modules and packages
  • Object-oriented and functional programming styles

  • Julia as a Second Language introduces Julia to readers with a beginning-level knowledge of another language like Python or JavaScript. You'll learn by coding engaging hands-on projects that encourage you to apply what you're learning immediately. Don't be put off by Julia's reputation as a scientific programming language—there's no data science or numerical computing knowledge required. You can get started with what you learned in high school math classes.

    About the Technology

    Originally designed for high-performance data science, Julia has become an awesome general purpose programming language. It offers developer-friendly features like garbage collection, dynamic typing, and a flexible approach to concurrency and distributed computing. It is the perfect mix of simplicity, flexibility and performance.

    About the Book

    Julia as a Second Language introduces Julia by building on your existing programming knowledge. You'll see Julia in action as you create a series of interesting projects that guide you from Julia's basic syntax through its advanced features. Master types and data structures as you model a rocket launch. Use dictionaries to interpret Roman numerals. Use Julia's unique multiple dispatch feature to send knights and archers into a simulated battle. Along the way, you'll even compare the object-oriented and functional programming styles–Julia supports both!

    What's Inside
  • Data types like numbers, strings, arrays, and dictionaries
  • Immediate feedback with Julia's read-evaluate-print-loop (REPL)
  • Simplify code interactions with multiple dispatch
  • Share code using modules and packages

  • About the Reader

    For readers comfortable with another programming language like Python, JavaScript, or C#.

    About the Author

    Erik Engheim is a writer, conference speaker, video course author, and software developer.

    Table of Contents

    PART 1 - BASICS
    1 Why Julia?
    2 Julia as a calculator
    3 Control flow
    4 Julia as a spreadsheet
    5 Working with text
    6 Storing data in dictionaries
    PART 2 - TYPES
    7 Understanding types
    8 Building a rocket
    9 Conversion and promotion
    10 Representing unknown values
    PART 3 - COLLECTIONS
    11 Working with strings
    12 Understanding Julia collections
    13 Working with sets
    14 Working with vectors and matrices
    PART 4 - SOFTWARE ENGINEERING
    15 Functional programming in Julia
    16 Organizing and modularizing your code
    PART 5 - GOING IN DEPTH
    17 Input and output
    18 Defining parametric types
    Julia as a Second Language