Strings
String literals are specified by a sequence of characters between ' (single quote) characters.
To use quotation marks within a string literal, use the “ character.
Examples of string literals
include:
'Welcome, visitors.''I said, "hello"''Numbers like 7 are legal in string literals'Examples of invalid string literals include:
'hello(missing closing ')
'I said, 'hello''(wrong quotation character within the string)
"hello"(incorrect delimiters)