Ruby | String capitalize() Method

capitalize is a String class method in Ruby which is used to return a copy of the given string by converting its first character uppercase and the remaining to lowercase.

Syntax: str.capitalize

Parameters: Here, str is the given string which is to be converted.

Returns: Copy of the string with the first character in uppercase and remaining in lowercase.

Example #1:

# Ruby program to demonstrate
# the capitalize method

# Taking the string and
# using the method
puts "geeks".capitalize()
puts "hey".capitalize()

Output:

Geeks
Hey

Example #2:

# Ruby program to demonstrate
# the capitalize method

# Taking a string already in
# uppercase and using the
# method will give the same
# string
puts "Computer".capitalize()
puts "science".capitalize()

Output:

Computer
Science

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