Which of the following is true about the stability of variables within a block in Ruby?
A. Variables defined outside the block can be modified within the block
B. Variables defined inside the block can be modified outside the block
C. Variables defined within the block cannot be modified inside the block
D. Variables defined within the block cannot be modified outside the block
Answer: Option D
This Question Belongs to Ruby Programming >> Blocks And Procs In Ruby
A. A chunk of code that can be passed to methods as an argument
B. A data structure for storing multiple values
C. A special type of object that holds code to be executed
D. A method that can be invoked with different arguments
How do you define a block in Ruby?
A. By using the keyword block followed by square brackets []
B. By using the keyword block followed by parentheses ()
C. By defining a method with the keyword block
D. By enclosing code within curly braces {}
A. A method that takes no arguments
B. A predefined set of instructions
C. A block that has been converted into an object
D. A data structure for storing key-value pairs
How do you create a proc in Ruby?
A. By using the create_proc function
B. Using the Proc.new method or the -> (stabby lambda) syntax
C. By invoking the proc keyword followed by parentheses ()
D. None of the above
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