About Kotlin Errors
Learning Path
Kotlin basics and syntax • Null safety and smart casts • Object-oriented and functional programming • Coroutines • Android development • Kotlin Multiplatform
A statically typed, cross-platform language that targets the JVM (Java Virtual Machine) and can also compile to JavaScript and native.
Kotlin basics and syntax • Null safety and smart casts • Object-oriented and functional programming • Coroutines • Android development • Kotlin Multiplatform
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Featured
Kotlin: Using Lambdas and Higher-Order Functions
Functional programming with lambdas and HOFs... |
Intermediate |
130
views
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Featured
Kotlin: How can I create a singleton using the `object` keyword?
Creating singletons with object keyword... |
Intermediate |
192
views
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Beginner |
189
views
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View |
Featured
Why am I seeing 'No value passed for parameter X' in Kotlin?
Handling missing required parameters... |
Beginner |
205
views
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|
Beginner |
203
views
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|
Beginner |
219
views
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View |
Featured
How to fix 'IllegalStateException: X must not be null' in Kotlin?
Handling lateinit property access... |
Beginner |
223
views
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View |
Featured
Why can't I modify my Kotlin List after initialization?
Understanding collection mutability... |
Beginner |
211
views
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View |
Featured
How can I resolve 'Function invocation is expected' in Kotlin?
Missing function invocation parentheses... |
Beginner |
208
views
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|
Beginner |
194
views
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|
Beginner |
211
views
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Intermediate |
214
views
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Using Kotlin's `map` function on collections?
Transforming collections with map... |
Beginner |
167
views
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View |
How do I initialize a lateinit var in Kotlin?
Properly initializing lateinit properties... |
Beginner |
160
views
|
View |
Why am I encountering 'NullPointerException' in Kotlin?
Preventing NullPointerExceptions... |
Advanced |
130
views
|
View |
How to use Kotlin Extension Functions?
Extending existing classes without inheritance... |
Intermediate |
131
views
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Kotlin: Working with Extensions
Working ith Extending existing classes without inheritance... |
Intermediate |
170
views
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Why is the 'when' expression in Kotlin saying it's not exhaustive?
Making when expressions exhaustive... |
Beginner |
162
views
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Kotlin: Using Lateinit
Delaying initialization of properties... |
Beginner |
159
views
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Why do I get 'Modifier 'open' is not applicable to 'local variable' in Kotlin'?
Understanding open modifier restrictions... |
Beginner |
149
views
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View |