It seems that your browser is not supported by our application.

Compilation of D Code

Assigning Values to Variables

Variables and User Input

8 Lessons

Unpack the core of variables, user input, data types, and type inference in D programming.

Fundamental Types

auto and typeof

Challenge: Output Variable Values in a Statement

Solution: Output Variable Values in a Statement

Standard Input and Output Streams

Reading from the Standard Input

Arithmetic and Logical Operations on Data Types

15 Lessons

Break apart arithmetic and logical operations on integers and floating-point types.

Logical Expressions

Basic Arithmetic Operations on Integers

Integers

Advanced Arithmetic Operations on Integers

Challenge: Find Remainder and Quotient of an Integer

Solution: Find Remainder and Quotient of an Integer

Detecting Overflow and Truncation in Integers

Floating Point Types

Overflow and Truncation in Floating Point Types

Floating Point Types Usage and Limitations

Challenge: Find Twice and One Fifth of a Floating Point Value

Solution: Find Twice and One Fifth of a Floating Point Value

Chaining if-else Statements

Conditional Statements and Loops

13 Lessons

Grasp the fundamentals of conditional statements, loops, and lazy operators in D programming.

if Statement

Challenge: Print a Parallelogram Pattern

Solution: Print a parallelogram pattern

do-while Loop

Array Initialization and Basic Array Operations

Arrays, Characters and Strings

21 Lessons

Deepen your knowledge of arrays, characters, strings, their manipulations, and related challenges.

Arrays

An Array Example

Associative Arrays

Challenge: Sort and Reverse Elements of an Array

Solution: Sort and Reverse Elements of an Array

Slices and Other Array Features

Slices: Termination of Sharing

Operations on All Elements

Multi-dimensional Arrays

Challenge: Halve the Elements of the Array

Solution: Halve the Elements of the Array

Characters: Introduction

Characters: Types and Literals

Characters: The std.uni Module

Characters: D's Unicode Problems and Support

Strings

String Length, Literals and Comparison

Challenge: Print Part of a String

Solution: Print Part of a String

Redirecting the Standard Input and Output Streams

File Handling in D

6 Lessons

Tackle file handling in D, including streams redirection, File struct, and practical challenges.

Files

std.stdio.File struct

Challenge: Write the Contents of a File to Another File

Solution: Write the Contents of a File to Another File

Integer and Floating Point Literals

Literals and enum

6 Lessons

Master the steps to use literals, fix code challenges, and leverage enums in D.

Character and string Literals

enum

Format Specifiers: Format_Character

Formatted Output and Input

11 Lessons

Learn how to use formatted input and output, format specifiers, and solve practical challenges.

Formatted Output

Format Specifiers: Width, Separator, Precision and Flags

Format Specifiers: Formatted Element Output

Format Specifiers: Positional Parameters and Format

Challenge: Convert a Floating Point Value into a Percentage Value

Solution: Convert a Floating Point Value into a Percentage Value

Formatted Input

Challenge: Print the Number of the Month from a Given Date

Solution: Print the Number of the Month from a Given Date

Challenge: Swap Keys with Values of an Associative Array

foreach Loop and switch-case Statement

8 Lessons

Grasp the fundamentals of D's foreach loop, switch-case statements, and practical coding challenges.

foreach Loop

foreach Loop Properties

Solution: Swap Keys with Values of an Associative Array

switch and case

Challenge: Build a Calculator Application

Solution: Build a Calculator Application

Challenge: displayMenu() Function

10.

Functions

6 Lessons

Master the steps to create, utilize, and enhance code quality through functions.

Introduction

How Functions Work?

Improved Code Quality

Solution: displayMenu() Function

Should a Parameter be const or immutable?

11.

Immutability

5 Lessons

Grasp the fundamentals of immutability, its application in parameters, and its impact on slices.

Immutability

Immutable Parameters

Immutability of the Slice Versus the Elements

Value Types vs Reference Types

12.

Value Types and Reference Types

5 Lessons

Deepen your knowledge of value and reference types, their properties, and distinctions.

Value Types

Reference Variables

Reference Types

Referenced Variables As Parameters

13.

Function Parameters

10 Lessons

Simplify complex topics on function parameters, qualifiers, swapping, and lvalues/rvalues.

Function Parameters

Parameter Qualifiers: in, out, const and immutable

Parameter Qualifiers: ref, auto ref and inout

Parameter Qualifiers: lazy, scope and shared

Function Parameters: Summary

Lvalues and Rvalues

The Return Value of main( )

14.

Program Environment

5 Lessons

Build on the program execution, parameter handling, and environment interactions in D programming.

Parameters of main( )

Command-Line Options and the std.getopt Module

Environment Variables and Starting Other Programs

The try-catch Statement to Catch Exceptions

15.

Exceptions and scope

8 Lessons

Break down exceptions, throw, try-catch, finally, scope statements, and kinds of errors in D.

Exceptions

The throw Statement

16.

assert and enforce Statements

8 Lessons

Solve challenges with assert and enforce statements to ensure code correctness and stability.

Types of assert

Properties of assert

enforce and the Use of assert-enforce

Cause and Discovery of the Bugs

17.

Unit Testing

7 Lessons

Break apart the causes of bugs, unit testing, TDD, and testing for exceptions in D.

Unit Testing

Testing for Exceptions

Test-Driven Development

Challenge: Make the Unit Test Pass

Solution: Make the Unit Test Pass

in Blocks for Preconditions

18.

Contract Programming

6 Lessons

Apply your skills to enforce contracts using in, out blocks, and expression-based checks.

out Blocks and Expression-based Contracts

in Blocks Versus enforce Checks

Challenge: Maintain Total Points

Solution: Maintain Total Points for Two Football Teams

Course Author

Ali Çehreli

Trusted by 2.6 million developers working at companies

"These are high-quality courses. Trust me. I own around 10 and the price is worth it for the content quality. EducativeInc came at the right time in my career. I'm understanding topics better than with any book or online video tutorial I've done. Truly made for developers. Thanks"

Anthony Walker

@_webarchitect_

"Just finished my first full #ML course: Machine learning for Software Engineers from Educative, Inc. ... Highly recommend!"

Evan Dunbar

ML Engineer

"You guys are the gold standard of crash-courses... Narrow enough that it doesn't need years of study or a full blown book to get the gist, but broad enough that an afternoon of Googling doesn't cut it."

Carlos Matias La Borde

Software Developer

"I spend my days and nights on Educative. It is indispensable. It is such a unique and reader-friendly site"

Souvik Kundu

Front-end Developer

"Your courses are simply awesome, the depth they go into and the breadth of coverage is so good that I don't have to refer to 10 different websites looking for interview topics and content."

Vinay Krishnaiah

Software Developer

"I've tried probably 5-7 different sites and Educative is easily the best. It perfectly blends explanation with interactivity"

Eric Downs

Musician/Entrepeneur

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Instant Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

AI-Powered Mock Interviews

Put your skills to the test in a simulated interview setting. Receive personalized feedback based on your performance. Available in Premium & Premium Plus plans.

Adaptive Learning

At various checkpoints throughout Educative courses, you will be prompted to take a quick assessment. Receive a condensed curriculum tailored to your strengths and skill gaps.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

Recommended before starting this course

Course

A Guide to Vagrant and Virtual Machines

beginner

30 mins

Course

Grokking Computer Networking for Software Engineers

Discover networking essentials for software engineers, delving into client-server architectures, Python socket programming, command-line tools, and key network protocols. Gain hands-on experience in distributed processing.

beginner

20 hours

Course

Database Design Fundamentals for Software Engineers

Gain insights into fundamental database concepts, relational databases, and entity-relationship diagrams. Learn about normalization techniques and basics of SQL to enhance database efficiency.

beginner

8 hours

A Guide to Vagrant and Virtual Machines

30 min

Grokking Computer Networking for Software Engineers

20 hour

Database Design Fundamentals for Software Engineers

8 hour

Related Courses and Skill Paths

Course

Simplifying JavaScript: A Handy Guide for Software Engineers

Gain insights into modern JavaScript, focusing on impactful syntax and practical usage. Discover essential language features and 51 valuable tips to enhance your productivity as a developer.

beginner

10 hours

Course

Introduction to JavaScript: First Steps

Gain insights into JavaScript fundamentals. Delve into variables, operators, functions, arrays, objects, and loops. Discover essential concepts to advance further in your coding journey with this beginner-friendly course.

beginner

8 hours

Course

C++ Programming for Experienced Engineers

Gain insights into dynamic memory allocation, creating classes, and functions. Delve into inheritance, I/O, exception handling. Explore 90+ examples to master advanced C++ functionalities.

intermediate

11 hours

Simplifying JavaScript: A Handy Guide for Software Engineers

10 hour

Introduction to JavaScript: First Steps

8 hour