Reserved Words/Keywords in Ruby

There are certain words that are reserved for doing specific tasks. These words are known as keywords and they have standard, predefined meaning in Ruby.

Some of the keywords available in Ruby are given below:

BEGIN	END	alias	and	begin	break	case	class	def
module	next	nil	not	or	redo	rescue	retry	return
elsif	end	false	ensure	for	if	true	undef	unless
do	else	super	then	until	when	while	defined?	self

These keywords cannot be used for naming variables or constants in Ruby.

---