What are the differences between 'val' and 'var' in Kotlin?
Intern
377
Kotlin
139
0
What mechanisms are used for data serialization in Kotlin?
Middle
376
What is the access modifier 'internal' in Kotlin and how is it used?
Junior
371
What are the main differences between a class and an interface in Kotlin?
Junior
370
What tools are used for testing projects in Kotlin?
Junior
369
Explain how delegation works in Kotlin.
Middle
368
Explain how packages and modules are organized in Kotlin.
Junior
367
What is operator overloading and how to use it?
Middle
360
What are delegate properties in Kotlin?
Middle
356
What advantages does using Kotlin provide for developing server-side logic?
Junior
354
What tools and libraries for unit testing are used in Kotlin?
Junior
348
Explain how Kotlin is used for server-side development.
Junior
343
Tell me about indexes: when to build them, when not to, and what types exist.
Senior
339
What are the advantages of using Kotlin for Android development?
Junior
332
How do data classes work in Kotlin?
Junior
326
What test cases should be considered for the join method? What optimizations can be added?
Senior
291
Tell me more about the billing service: what was stored, how did you interact with the contractor?
Senior
275
What is the difference between JSON and JSONB in PostgreSQL? What are the issues with Hibernate and JSON fields?
Senior
265
Have you used HQL, Native Query, JDBC directly? Batching in Hibernate?
Senior
237
Have you used Kotlin? Do you have experience?
Senior
227