6.4.3. Functional Languages

Try these first

1. 1.

   What is the main focus of functional languages?

   Hint

   Think about what it emphasizes regarding data and functions.

2. 2.

   Can you name one functional programming language?

   Hint

   Some examples were mentioned earlier.

3. 3.

   What programming concept emphasizes treating functions as first-class citizens?

   • Object-Oriented Programming
   • Procedural Programming
   • Functional Programming

   Hint

   Think about what defines this programming paradigm.

4. 4.

   True or False: In functional programming, data is often immutable.

   • True
   • False

   Hint

   Recall how data is treated in this paradigm.

5. 5.

   Create a simple functional program that calculates the Fibonacci sequence using recursion. Explain how the recursion works.

   Hint

   Think about how the function calls itself to solve smaller parts of the problem.

6. 6.

   Discuss a scenario in which immutability might reduce bugs in a program. Provide detailed reasoning.

   Hint

   Consider multi-threading and the potential issues with shared data.