5.1 Literals and Expressions
We can create literals in Groovy using single quotes—like ’hello’. In Java, ’a’ is a char, while "a" is a String. Groovy makes no such distinction; both of these are instances of String in Groovy. If we want to explicitly create a character, we simply type ’a’ as char. Of course, Groovy may implicitly create Character objects if any method calls demand it.
Groovy is also flexible about what we can put into a literal. For example, we can have double quotes in our string if we want:
| WorkingWithStrings/Literals.groovy | |
| | println 'He said, "That is Groovy"' |
Groovy handled that fairly well, as we can see in the output:
| | He said, "That is Groovy" |
Let’s examine the type of the object that was created ...
Get Programming Groovy 2 now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
