Podcast
Questions and Answers
What purpose do type aliases serve in Scala?
What purpose do type aliases serve in Scala?
- Improve code readability (correct)
- Make code more complex
- Slow down code execution
- Increase bugs in the code
In Scala, what is the recommended approach for using if statements as per the text?
In Scala, what is the recommended approach for using if statements as per the text?
- Only outside a function
- Replace them with switch statements
- Avoid using if statements
- Only inside a function (correct)
How can exceptions and print statements be used in functional programming in Scala?
How can exceptions and print statements be used in functional programming in Scala?
- Use them inside lambda functions
- Wrap side effects outside the functional programming core (correct)
- Nest them in for loops
- Include them in function composition
Which of the following is NOT part of the functional programming core in Scala?
Which of the following is NOT part of the functional programming core in Scala?
What is the purpose of companions objects in Scala?
What is the purpose of companions objects in Scala?
Which of the following best describes the apply method in Scala?
Which of the following best describes the apply method in Scala?
What is the purpose of the apply method in Scala?
What is the purpose of the apply method in Scala?
What type of equality checks do case classes in Scala automatically provide?
What type of equality checks do case classes in Scala automatically provide?
What is one of the functional programming principles provided by case classes in Scala?
What is one of the functional programming principles provided by case classes in Scala?
What method in Scala is used to directly call a function defined using the 'def' keyword?
What method in Scala is used to directly call a function defined using the 'def' keyword?
What is a major difference between a class and a case class in Scala?
What is a major difference between a class and a case class in Scala?
Which of the following is a common Scala term for a companion object of a class?
Which of the following is a common Scala term for a companion object of a class?
What happens when you call a class or object with function-like syntax in Scala?
What happens when you call a class or object with function-like syntax in Scala?
Which of the following can have an apply method in Scala?
Which of the following can have an apply method in Scala?
What is the primary purpose of a companion object in Scala?
What is the primary purpose of a companion object in Scala?
How do constructors in Scala differ from those in object-oriented programming languages?
How do constructors in Scala differ from those in object-oriented programming languages?
What is the purpose of the createInstance function in the provided code?
What is the purpose of the createInstance function in the provided code?
What does the val seqInt: Int declaration in the MyClass constructor do?
What does the val seqInt: Int declaration in the MyClass constructor do?
