RUBY

Ruby strings

//Strings
greeting = "Hello"
puts greeting.length
puts greeting.inlude? "llo" //true
puts greeting[0]

string ruby

s = String.new
s # => ""
s.encoding # => #<Encoding:ASCII-8BIT>

string ruby

A String object holds and manipulates an arbitrary sequence of bytes, typically representing characters. String objects may be created using ::new or as literals.

Because of aliasing issues, users of strings should be aware of the methods that modify the contents of a String object. Typically, methods with names ending in “!'' modify their receiver, while those without a “!'' return a new String. However, there are exceptions, such as #[]=.