What is Kotlin and what are its main advantages over Java?
Posted: Oct 04, 2025
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Explain the difference between val and var in Kotlin.
Posted: Oct 04, 2025
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Explain sealed classes and their use cases with examples.
Posted: Oct 04, 2025
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What are higher-order functions and lambdas in Kotlin?
Posted: Oct 04, 2025
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What are companion objects and object declarations in Kotlin?
Posted: Oct 04, 2025
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Explain Kotlin generics, variance (in/out), and reified types.
Posted: Oct 04, 2025
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What are Kotlin delegates and how do you implement custom delegates?
Posted: Oct 04, 2025
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Explain when expressions and how they differ from switch statements.
Posted: Oct 04, 2025
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What are inline classes (value classes) and their benefits?
Posted: Oct 04, 2025
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Explain operator overloading in Kotlin with examples.
Posted: Oct 04, 2025
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What are type aliases and when should you use them?
Posted: Oct 04, 2025
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