Can a string be represented by an array of symbols?

A string can be represented by an array of symbols.

How do I convert a string to an array in Ruby?

The general syntax for using the split method is string. split() . The place at which to split the string is specified as an argument to the method. The split substrings will be returned together in an array.

What are symbols in Ruby?

A Symbol is the most basic Ruby object you can create. It’s just a name and an internal ID. Symbols are useful because a given symbol name refers to the same object throughout a Ruby program. Symbols are more efficient than strings.

Are strings arrays in Ruby?

With a Ruby string array, we can store many strings together. We often prefer iterators, not loops, to access an array’s individual elements.

How are symbols and strings used in Ruby?

Strings are used to work with data. Symbols are identifiers. That’s the main difference: Symbols are not just another kind of string, they have a different purpose. One of the most common uses for symbols is to represent method & instance variable names. The :title after attr_reader is a symbol that represents the @title instance variable.

What does% w ( array ) mean in Ruby?

%r() is another way to write a regular expression. %q() is another way to write a single-quoted string (and can be multi-line, which is useful) %Q() gives a double-quoted string. %x() is a shell command. %i() gives an array of symbols (Ruby >= 2.0.0)

How to convert a string to an array in Ruby?

Create a program called data_import.rb that contains a string of sharks, separated by commas. The program takes the data, converts it to an array, sorts it, and prints out each element to the screen: Run the program with ruby data_import.rb and you’ll see this output: Ruby’s arrays are powerful data structures.

How to use map instead of each in Ruby?

Use map rather than each: For Ruby 1.8.7 and later or with ActiveSupport included, you can use this syntax: The reason your each method appears to not work is that calling puts with a symbol outputs the string representation of the symbol (that is, without the : ).