Kotlin: Intermediate Course

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Learning Format: Live Training

What will be Cover ?

Module 9 – Classes, Data Classes & Objects
  • Classes and Constructors
  • Data Classes
  • object Keyword
  • Singleton Pattern
  • Companion Objects
  • Equality
  • Immutability
Module 10 – Interfaces & Abstract Classes
  • Interfaces in Kotlin
  • Abstract Classes
  • Default Implementations
  • Interface vs Abstract Class
  • Dependency Inversion Principle
Module 11 – Packages, Modules & Visibility
  • Package Design
  • Visibility Modifiers (public, private, protected, internal)
  • Module Boundaries
  • API Exposure Rules
  • Naming Conventions
Module 12 – Advanced Null Safety & Exceptions
  • Custom Exceptions
  • Checked vs Unchecked Exceptions (JVM Perspective)
  • Defensive Programming
  • Error Propagation Patterns
Module 13 – File I/O & Serialization
  • Reading Files
  • Writing Files
  • JSON Handling
  • Configuration Files
  • Resource Management
Module 14 – Coroutines – Basics
  • Why Coroutines
  • suspend Functions
  • Coroutine Scopes
  • Dispatchers
  • Introduction to Structured Concurrency
Module 15 – Database Basics
  • JDBC Fundamentals
  • ORM Overview (JPA
  • Exposed)
  • CRUD Operations
  • Transactions
  • Database Error Handling
Module 16 – REST APIs with Kotlin
  • HTTP Basics
  • REST Principles
  • API Handlers
  • JSON APIs
  • HTTP Status Codes
  • Introduction to Ktor
  • Spring Framework
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Course Detail

The Kotlin Intermediate course is designed for learners who already understand Kotlin fundamentals and want to advance toward real-world application development. This course deepens understanding of Kotlin’s powerful features and prepares students for professional Android and backend development.

Participants will explore advanced object-oriented programming, data classes, sealed classes, interfaces, and abstraction. The course covers higher-order functions, lambdas, extension functions, collections API, and functional programming concepts in Kotlin.

Students will gain hands-on experience with coroutines for asynchronous programming, exception handling strategies, file operations, and modular code organization. The course also introduces Android development fundamentals (Activities, Fragments, ViewModels) or backend development with frameworks like Ktor, depending on the learning path.

Special emphasis is placed on writing clean, maintainable, and scalable Kotlin code using best practices and modern architecture patterns such as MVVM.

By the end of this course, learners will be able to build structured Kotlin applications, handle asynchronous operations efficiently, and develop intermediate-level Android or backend systems confidently.

This course is ideal for aspiring Android developers, junior backend developers, and programmers looking to strengthen their Kotlin expertise for industry-level projects.