Lambdas

Question 1

What are Lambda Expressions?

Answer 1

Lambda provides us a simpler way to work with interfaces that implement one method.

Question 2

What are the parts of a Lambda Expression?

Answer 2

1 - The arguments list
2 - Arrow token
3 - Body

Question 3

Where do Lambda Expressions can be implemented?

Answer 3

Lambda Expressions can be implemented only by replacing interfaces that contains exactly one method. Those interfaces are also called Functional Interfaces.

Question 4

What is the scope of a Lambda Expression?

Answer 4

Lambda expressions are treated as nested blocks which means they have the same scope as any other block would have.

Question 5

What does Effectively final means?

Answer 5

It means that although a variable is not declared as final, its value never change.