Grzegorz Piwowarek

Grzegorz Piwowarek has asked 15 questions and find answers to 85 problems.

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Grzegorz Piwowarek questions

How to create Java array in Kotlin for @PropertySource?
Spring Webflux with Spring MVC - nulls emitted when using doOnEach
Conditional side-effects and optional types in Kotlin
What's the difference between Stream.builder() and calling stream() on an ArrayList in Java?
Kotlin-allopen plugin + @JvmField on a val not final enough
What is the maximum number of lambdas used in one Java class?
Why do unsafe .run() call works fine on a null value in Kotlin?
How to pass a list as a JUnit5's parameterized test parameter?
How can I handle IOException when Kafka is down?
Why is Java 8 Optional implemented as final, without Some and None hierarchy?

Grzegorz Piwowarek answers

How to check if an argument was given or not?
Why intelij does not recognize java project?
Is it better to use a single flatMap() over a map().flatMap()?
Implement predicate chaining based on different types
Grouping by adding two BigDecimal type attributes of a class
How to convert nested loops to nested Streams? [duplicate]
Can Kotlin be defined a strongly typed language?
Java 8 functional: Lost type information in the middle of the way
How to set a string to all lowercase [duplicate]
Java sum two double[][] with parallel stream