Using the + symbol concatenates the two strings "


puts "Success!" if "Test" + "String" == "TestString"

1.	Append one string to another with the + method:
2.	append a string with the << method:
3.	Concatenate (join) strings together, using a +
4.	inserting value of a variable in a string
5.	Push several strings into one
6.	Encode command in string

Using the + symbol concatenates the two strings " : String Concatenation « String « Ruby