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Updated in [April 29th, 2023]

This course, Mastering Kotlin: a Fast Guide to Null Safety (in 30 min), provides an overview of null safety in Kotlin. Participants will learn the distinctions between nullable, not null, and platform types, as well as how to use the safe call operator, the Elvis operator, the safe cast operator, the not null assertion, the let function, and the lateinit keyword. By the end of the course, participants will have a better understanding of null safety in Kotlin and be able to apply it to their own projects.

[Applications]
After completing this course, participants should be able to apply the concepts of null safety in Kotlin to their own projects. They should be able to use the safe call operator, the Elvis operator, the safe cast operator, the not null assertion, the let function, and the lateinit keyword to ensure that their code is safe from null pointer exceptions. Additionally, they should be able to distinguish between nullable, not null, and platform types.

[Career Paths]
1. Kotlin Developer: Kotlin developers are responsible for developing applications using the Kotlin programming language. They must be knowledgeable in the language and its features, such as null safety, and be able to write efficient and maintainable code. As the popularity of Kotlin continues to grow, the demand for Kotlin developers is expected to increase.

2. Android Developer: Android developers use Kotlin to create applications for the Android platform. They must be familiar with the Android SDK and the Kotlin language, and be able to create applications that are optimized for performance and usability. As the demand for Android applications continues to grow, the demand for Android developers is expected to increase.

3. Software Engineer: Software engineers use Kotlin to develop software applications. They must be knowledgeable in the language and its features, such as null safety, and be able to write efficient and maintainable code. As the demand for software applications continues to grow, the demand for software engineers is expected to increase.

4. Data Scientist: Data scientists use Kotlin to develop data-driven applications. They must be knowledgeable in the language and its features, such as null safety, and be able to write efficient and maintainable code. As the demand for data-driven applications continues to grow, the demand for data scientists is expected to increase.

[Education Paths]
1. Bachelor of Science in Computer Science: This degree path provides students with a comprehensive understanding of computer science fundamentals, including programming languages, software engineering, computer architecture, and operating systems. Additionally, students will learn about the latest trends in computer science, such as artificial intelligence, machine learning, and blockchain technology.

2. Master of Science in Software Engineering: This degree path focuses on the development of software applications and systems. Students will learn about software design, development, testing, and maintenance, as well as the principles of software engineering. Additionally, students will gain an understanding of the latest technologies and trends in software engineering, such as cloud computing, mobile development, and web development.

3. Master of Science in Artificial Intelligence: This degree path focuses on the development of artificial intelligence systems and applications. Students will learn about the fundamentals of artificial intelligence, including machine learning, natural language processing, and computer vision. Additionally, students will gain an understanding of the latest trends in artificial intelligence, such as deep learning, reinforcement learning, and robotics.

4. Master of Science in Data Science: This degree path focuses on the analysis and interpretation of data. Students will learn about data mining, data visualization, and predictive analytics. Additionally, students will gain an understanding of the latest trends in data science, such as big data, machine learning, and artificial intelligence.

Course Syllabus

Why Are Nullable Types Introduced in Kotlin?

What Is a Safe Call Operator?

What Is Elvis Operator?

When Should You Use Safe Casts?​​​​​​​

What Are Not-null Assertions?​​​​​​​

When Can We Use Let Function?

Why Is lateinit Keyword Used?

What Are Platform Types in Kotlin?