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What are Kotlin Coroutines?
Updated Feb 20, 2026
Short answer
Coroutines are lightweight threads used for asynchronous programming in Kotlin.
Deep explanation
🔹 Why Coroutines
Traditional threading:
- Complex
- Memory-heavy
Coroutines:
- Lightweight
- Structured concurrency
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🔹 Key Concepts
- suspend functions
- CoroutineScope
- Dispatchers (IO, Main, Default)
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🖼️
Markdown
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🔹 System-Level Insight
- Handles network + DB calls efficiently
- Prevents UI blocking
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🔹 Performance Insight
- Uses fewer threads
- Improves responsiveness
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