Ruslan questions

Ruslan answers

• How to check if an array contains a specific number of values?
• IDEA: what is the difference between Build and Build Project?
• How can i transform my code using java 8 stream API?
• How to get the object that has the maximum value for multiple attributes using a stream?
• Convert ArrayList to Int [] array using .toArray()? Or...?
• Intellij highlight file in Project Explorer
• Using string format to add dollar sign and commas to my numbers
• Cannot resolve method stream() issue
• Cumulative Sum using Java 8 stream API
• Reverse a map using streams in java 8 [duplicate]