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: How can I create a singleton using the `object` keyword?
Creating singletons with object keyword... |
Intermediate |
209
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Beginner |
199
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Beginner |
242
views
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Featured
Why am I seeing 'No value passed for parameter X' in Kotlin?
Handling missing required parameters... |
Beginner |
232
views
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Featured
Why can't I modify my Kotlin List after initialization?
Understanding collection mutability... |
Beginner |
224
views
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Featured
How can I resolve 'Function invocation is expected' in Kotlin?
Missing function invocation parentheses... |
Beginner |
221
views
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Featured
How to fix 'IllegalStateException: X must not be null' in Kotlin?
Handling lateinit property access... |
Beginner |
237
views
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Beginner |
218
views
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Intermediate |
239
views
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Beginner |
209
views
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|
Beginner |
236
views
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Featured
Kotlin: Using Lambdas and Higher-Order Functions
Functional programming with lambdas and HOFs... |
Intermediate |
144
views
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Kotlin: Introduction to Data Classes
Creating concise data holders with data classes... |
Intermediate |
145
views
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How to work with Kotlin's `when` expression?
Powerful replacement for switch statements... |
Intermediate |
176
views
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View |
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What's causing 'Function invocation ... expected' in Kotlin?
Missing function call parentheses... |
Beginner |
145
views
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View |
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How do I use lambda functions in Kotlin?
Using lambda expressions effectively... |
Intermediate |
129
views
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What's causing 'Modifier 'override' is not applicable to 'local function' in Kotlin?
Misusing override in local functions... |
Intermediate |
151
views
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Kotlin: Object Declarations
Implementing singletons in Kotlin... |
Intermediate |
210
views
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Kotlin: Using Lists and Maps
Working with collection types in Kotlin... |
Beginner |
137
views
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Kotlin: Using the when Expression
Replacing complex if-else chains with when... |
Intermediate |
191
views
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View |