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Nourhan Gehad
In this 1-hour long project-based course, you will learn how to declare and intialize variables in Kotlin with understanding of nullability and how to handle it, do type checking and casting in Kotlin and use arrays.
Register for this course and see more details by visiting:
OpenCourser.com/course/a3nyky/introduction
Good to know
Good to know
Know what's good ,
what to watch for , and
possible dealbreakers
Teaches the basics of Kotlin programming, which is a foundation for Android development and can also be applied to data science and web development
Provides a solid foundation for beginners who want to learn Kotlin
Covers core Kotlin concepts such as variables, nullability, types, arrays, and casting
Designed for those who want to improve their understanding of Kotlin's basic syntax and data structures
Taught by Nourhan Gehad, who has experience in software engineering and teaching
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Reviews summary
Kotlin basics introduction
Introduction to Kotlin 1 gets mixed reviews from students who completed the course. While some praise the course's helpful content, others criticize the audio quality and rushed pace. Overall, the sentiment of the reviews is neutral, with some students recommending the course while others advise caution.
Content is suitable for beginners.
"The entire course was very helpful for me as ;a beginner in this field."
Quizzes do not always function properly.
"The question was which of these is capable of storing a null value: 1) var name: String? = "Bob" --OR-- 2) var name: String = "bob" --- the correct answer (1) gave me no points!!"
Audio quality is a concern.
"The sound of the videos is not to good"
Course is too short.
"Too short course."
Course pace could be slower.
"i thought it would be a a introduction and it would be from basics but it's not and it's very confusing"
Activities
Be better prepared
before
your course. Deepen your understanding
during
and
after
it. Supplement your coursework and achieve mastery of the topics covered
in Introduction to Kotlin 1 with these
activities:
Kotlin Variable Declaration and Initialization Summary
Show steps
Create a summary of Kotlin variable declaration and initialization rules, reinforcing your understanding and providing a handy reference.
Show steps
-
Review the syntax for declaring variables in Kotlin.
-
Explain the concept of nullability.
-
Demonstrate how to initialize variables with different data types.
-
Include examples of proper variable declaration and initialization.
-
Organize the summary in a clear and concise manner.
Head First Kotlin
Show steps
Gain a comprehensive understanding of Kotlin fundamentals by reading 'Head First Kotlin', which covers variable declaration, type checking, and array manipulation in detail.
View
Excel Cookbook
on Amazon
Show steps
-
Read Chapter 2: Variables, Data Types, and Arrays.
-
Pay attention to the sections on variable declaration and initialization.
-
Understand the concepts of type checking and casting.
-
Review the examples of array manipulation.
-
Take notes and highlight important concepts.
Kotlin nullability practice
Show steps
Practice declaring and initializing variables in Kotlin, with a focus on nullability handling, to reinforce your understanding of these concepts.
Show steps
-
Create a new Kotlin file or open an existing Kotlin project.
-
Declare a variable of type String with a null value.
-
Declare a variable of type Int with a non-null value.
-
Check for the nullability of both variables using the !! operator.
-
Use the safe call operator (?.) to access the length of the String variable, if it is not null.
Three other activities
Expand to see all activities and additional details
Show all six activities
Kotlin Arrays Tutorial
Show steps
Enhance your understanding of Kotlin arrays by following a guided tutorial that provides step-by-step instructions and practical examples.
Browse courses on
Array Manipulation
Show steps
-
Find a reputable tutorial on Kotlin arrays.
-
Go through the tutorial, understanding the concepts of array declaration, initialization, and manipulation.
-
Try out the examples provided in the tutorial.
-
Apply the concepts in your Kotlin code.
Kotlin Array Exercises
Show steps
Engage in hands-on practice with Kotlin arrays, solidifying your understanding of array declaration, initialization, and manipulation techniques.
Browse courses on
Array Manipulation
Show steps
-
Create a Kotlin array of integers.
-
Add elements to the array.
-
Traverse the array using a loop.
-
Sort the array in ascending order.
-
Find the maximum and minimum values in the array.
Nullability Handling Exercises
Show steps
Reinforce your understanding of Kotlin's nullability handling through a series of practice exercises, ensuring that you can confidently work with nullable variables.
Show steps
-
Create a Kotlin program that handles nullable variables.
-
Use the safe call operator (?.) to access properties of nullable objects.
-
Use the Elvis operator (?:) to provide a default value for nullable variables.
-
Practice checking for null values before using them.
-
Apply these techniques in your own Kotlin code.
Kotlin Variable Declaration and Initialization Summary
Show steps
Create a summary of Kotlin variable declaration and initialization rules, reinforcing your understanding and providing a handy reference.
Show steps
Show steps
Show steps
- Review the syntax for declaring variables in Kotlin.
- Explain the concept of nullability.
- Demonstrate how to initialize variables with different data types.
- Include examples of proper variable declaration and initialization.
- Organize the summary in a clear and concise manner.
Head First Kotlin
Show steps
Gain a comprehensive understanding of Kotlin fundamentals by reading 'Head First Kotlin', which covers variable declaration, type checking, and array manipulation in detail.
View
Excel Cookbook
on Amazon
Show steps
Show steps
Show steps
- Read Chapter 2: Variables, Data Types, and Arrays.
- Pay attention to the sections on variable declaration and initialization.
- Understand the concepts of type checking and casting.
- Review the examples of array manipulation.
- Take notes and highlight important concepts.
Kotlin nullability practice
Show steps
Practice declaring and initializing variables in Kotlin, with a focus on nullability handling, to reinforce your understanding of these concepts.
Show steps
Show steps
Show steps
- Create a new Kotlin file or open an existing Kotlin project.
- Declare a variable of type String with a null value.
- Declare a variable of type Int with a non-null value.
- Check for the nullability of both variables using the !! operator.
- Use the safe call operator (?.) to access the length of the String variable, if it is not null.
Three other activities
Expand to see all activities and additional details
Show all six activities
Kotlin Arrays Tutorial
Show steps
Enhance your understanding of Kotlin arrays by following a guided tutorial that provides step-by-step instructions and practical examples.
Browse courses on
Array Manipulation
Show steps
Show steps
Show steps
- Find a reputable tutorial on Kotlin arrays.
- Go through the tutorial, understanding the concepts of array declaration, initialization, and manipulation.
- Try out the examples provided in the tutorial.
- Apply the concepts in your Kotlin code.
Kotlin Array Exercises
Show steps
Engage in hands-on practice with Kotlin arrays, solidifying your understanding of array declaration, initialization, and manipulation techniques.
Browse courses on
Array Manipulation
Show steps
Show steps
Show steps
- Create a Kotlin array of integers.
- Add elements to the array.
- Traverse the array using a loop.
- Sort the array in ascending order.
- Find the maximum and minimum values in the array.
Nullability Handling Exercises
Show steps
Reinforce your understanding of Kotlin's nullability handling through a series of practice exercises, ensuring that you can confidently work with nullable variables.
Show steps
Show steps
Show steps
- Create a Kotlin program that handles nullable variables.
- Use the safe call operator (?.) to access properties of nullable objects.
- Use the Elvis operator (?:) to provide a default value for nullable variables.
- Practice checking for null values before using them.
- Apply these techniques in your own Kotlin code.
Career center
Learners who complete Introduction to Kotlin 1 will develop knowledge and skills
that may be useful to these careers:
Data Analyst
Data Analyst
Data Analysts perform a variety of tasks that relate to data collection, transformation, and analysis. Because arrays are a critical part of these tasks in many instances, this course may be helpful in building a foundation for this role.
Software Developer
Software Developer
Software Developers build the programs that power computers. As Kotlin is a coding language, this course may be useful for learning some basic functions that software developers need in their roles.
Software Architect
Software Architect
Software Architects design, develop, and maintain software systems. As Kotlin is a coding language, this course may be useful for learning some basic functions that software architects need in their roles.
Computer Programmer
Computer Programmer
Computer Programmers analyze real-world problems and design algorithms that can be implemented into computer programs. Because Kotlin is a coding language, this course may be helpful in building a foundation for this role.
Software Engineer
Software Engineer
Software Engineers design, develop, test, and maintain software. As Kotlin is a coding language, this course may be useful for learning some basic functions that software engineers need in their roles.
Web Developer
Web Developer
Web Developers design and create websites and web applications. As Kotlin is a coding language, this course may be useful for learning some basic functions that web developers need in their roles.
Computer Systems Analyst
Computer Systems Analyst
Computer Systems Analysts design, implement, and maintain computer systems. While programming is not a primary task for this role, proficiency in programming and understanding concepts of working with data will support success in this role.
User Experience Researcher
User Experience Researcher
User Experience Researchers conduct studies to understand how users interact with products and services. While programming is not a primary task for this role, proficiency in programming and understanding concepts of working with data will support success in this role.
Data Scientist
Data Scientist
Data Scientists analyze data to extract meaningful insights. While programming is not a primary task for this role, proficiency in programming and understanding concepts of working with data will support success in this role.
Information Technology Project Manager
Information Technology Project Manager
Information Technology Project Managers plan, direct, and coordinate IT projects. While programming is not a primary task for this role, proficiency in programming and understanding concepts of working with data will support success in this role.
Machine Learning Engineer
Machine Learning Engineer
Machine Learning Engineers design, build, and maintain machine learning models. While programming is not a primary task for this role, proficiency in programming and understanding concepts of working with data will support success in this role.
Database Administrator
Database Administrator
Database Administrators design, develop, deploy, and maintain databases. While this course is not as closely related to the daily work tasks of a Database Administrator, proficiency in programming and understanding concepts of working with data will support success in this role.
Network Administrator
Network Administrator
Network Administrators design, implement, and maintain computer networks. While programming is not a primary task for this role, proficiency in programming and understanding concepts of working with data will support success in this role.
Information Security Analyst
Information Security Analyst
Information Security Analysts design, implement, and monitor security measures to protect computer networks and data from unauthorized access. While programming is not a primary task for this role, proficiency in programming and understanding concepts of working with data will support success in this role.
Systems Administrator
Systems Administrator
Systems Administrators design, implement, and maintain computer systems. While programming is not a primary task for this role, proficiency in programming and understanding concepts of working with data will support success in this role.
For more career information including salaries, visit:
OpenCourser.com/course/a3nyky/introduction
Reading list
We've selected eight books
that we think will supplement your
learning. Use these to
develop background knowledge, enrich your coursework, and gain a
deeper understanding of the topics covered in
Introduction to Kotlin 1.
Save
Collection of case studies that show how Kotlin is used in real-world projects. It great resource for anyone who wants to learn more about how Kotlin is used in the industry.
Practical guide to Kotlin, with a focus on building real-world applications. It covers topics such as object-oriented programming, data structures, and concurrency.
Guide to using Kotlin for Android development. It covers topics such as building user interfaces, working with data, and testing.
Guide to Kotlin for big data developers. It covers topics such as the Kotlin type system, object-oriented programming, and functional programming.
Save
Beginner-friendly introduction to Kotlin, with a focus on making learning fun and engaging. It uses a visual approach to teaching, with plenty of examples and exercises.
Save
Comprehensive guide to Kotlin programming. It covers all the basics of the language, as well as more advanced topics such as coroutines and concurrency. It great resource for anyone who wants to learn more about Kotlin and its applications
Save
Beginner-friendly guide to Kotlin programming. It covers all the basics of the language, as well as more advanced topics such as coroutines and concurrency. It great resource for anyone who wants to learn more about Kotlin and its applications
Beginner-friendly guide to Kotlin programming. It covers all the basics of the language, as well as more advanced topics such as coroutines and concurrency. It great resource for anyone who wants to learn more about Kotlin and its applications
For more information about how these books relate to this course, visit:
OpenCourser.com/course/a3nyky/introduction
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Time
2 hours
Via
Coursera
Institution
Coursera Project Network
Instructor
Nourhan Gehad
Good to know
Teaches the basics of Kotlin programming, which is a foundation for Android development and can also be applied to data science and web development
Provides a solid foundation for beginners who want to learn Kotlin
Covers core Kotlin concepts such as variables, nullability, types, arrays, and casting
Designed for those who want to improve their understanding of Kotlin's basic syntax and data structures
Taught by Nourhan Gehad, who has experience in software engineering and teaching
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