Sergii Lagutin questions

Sergii Lagutin answers

• Java 8 streams nonNull on properties of objects
• Why does Scala starts from an object's main method instead of a class's static main method?
• How to refactor a lambda expression to a method reference?
• Using vals from scala package object in java
• Scala underscore explanation
• Scala "def" method declaration: Colon vs equals
• Scala: How to mask the first N characters of a string
• What is the difference between curly bracket and parenthesis in a Scala for loop?
• Stream: Filter on children, return the parent
• Is it possible to remove elements from PriorityQueue?