Scala

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Last Update	09/19/2026
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Course
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Section 1: Getting Started

4Lessons ·
- 1: Setting Up Scala and sbt
  
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- 3: Scala 2 vs Scala 3 Differences
  
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- 4: Using the Scala REPL
  
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Section 3: Object-Oriented Scala

6Lessons ·
- 12: Case Classes
  
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Section 4: Functional Scala

7Lessons ·
- 17: Higher-Order Functions
  
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- 18: Immutability and Persistent Collections
  
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Section 5: Collections in Depth

4Lessons ·
- 24: Map and Set Operations
  
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Section 7: Concurrency and Ecosystem

5Lessons ·
- 32: Futures and Promises
  
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Section 8: Practical Projects

4Lessons ·
- 37: Building a Command-Line Scala Application
  
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- 40: Building a Small REST API with a Scala Framework
  
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Section 10: Data Structures and Algorithms in Scala

4Lessons ·
- 43: Implementing a Linked List Functionally
  
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- 45: Implementing Common Sorting Algorithms
  
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Section 12: Advanced Functional Patterns

4Lessons ·
- 51: Building a Simple Monad
  
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- 53: Effect Systems: An Introduction
  
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Section 14: Scala Collections Library Deep Dive

5Lessons ·
- 61: Parallel Collections
  
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Section 15: Scala Standard Library Deep Dive

4Lessons ·
- 64: scala.io.Source for File Reading
  
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- 65: Ordering and Ordered Traits
  
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Section 21: Scala 3 Specific Features

2Lessons ·
- 88: New Syntax: Significant Indentation
  
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90: Union and Intersection Types

3Lessons ·
- 91: Opaque Types
  
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Section 24: More Data Structures and Algorithms in Scala

4Lessons ·
- 104: Implementing a Persistent Stack
  
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Section 31: Scala Type System Deep Dive

5Lessons ·
- 130: Higher-Kinded Types
  
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- 131: Path-Dependent Types
  
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- 132: F-Bounded Polymorphism
  
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- 133: Existential Types in Scala 2
  
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- 134: Match Types in Scala 3
  
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Section 32: More Practice and Drills

4Lessons ·
- 137: Practice Exercise: Building a Simple Interpreter with Pattern Matching
  
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Section 33: Scala Performance Deep Dive

4Lessons ·
- 140: Avoiding Boxing in Scala Collections
  
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Section 36: More Real-World Case Studies

3Lessons ·
- 152: Common Scala Anti-Patterns to Avoid
  
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Section 37: Scala for Financial Systems

3Lessons ·
- 154: Precision Arithmetic for Financial Calculations
  
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Section 39: More Final Projects

4Lessons ·
- 162: Building a Simple Blockchain Simulator in Scala
  
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Section 40: More Interview and Final Review

5Lessons ·
- 166: Mock Coding Interview Walkthrough in Scala
  
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- 167: Timed Mock Assessment on Core Scala
  
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Section 43: More Language Deep Dive

4Lessons ·
- 176: Multiversal Equality in Scala 3
  
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- 177: Export Clauses in Scala 3
  
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Section 46: Scala Dependency Management

3Lessons ·
- 185: Resolving Dependency Conflicts
  
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Section 49: More Practice Drills Round 2

4Lessons ·
- 197: Practice Exercise: Building a Retry Mechanism with Exponential Backoff
  
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Section 55: Scala for Legacy Java Integration

4Lessons ·
- 221: Converting Java Collections to Scala Collections
  
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Section 58: Scala History and Ecosystem Context

5Lessons ·
- 235: Scala 2 vs Scala 3 Migration Considerations
  
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- 236: The Scala Community and Where to Learn More
  
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Section 59: More Concurrency Patterns

4Lessons ·
- 242: Comparing Green Threads to JVM Threads in Scala
  
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