Semantics
Table of Contents
Typing
Optional typing
Static type checking
Static compilation
Statements
Variable definition
Variable assignment
Control structures
Power assertion
Labeled statements
Expressions
GPath expressions
Promotion and coercion
Number promotion
Closure to type coercion
Map to type coercion
String to enum coercion
Optionality
Optional parentheses
Optional semicolons
Optional return keyword
Optional public keyword
The Groovy Truth
Customizing the truth with asBoolean() methods
This chapter covers the semantic of the Groovy programming language.
Typing
Optional typing
Static type checking
Static compilation
Statements
Variable definition
Variable assignment
Multiple assignment
Control structures
Conditional structures
if / else
switch / case
Looping structures
Classic for loop
for in loop
while loop
Exception handling
try / catch / finally
Multi-catch
Power assertion
Labeled statements
Expressions
GPath expressions
Promotion and coercion
Number promotion
Closure to type coercion
Map to type coercion
String to enum coercion
Optionality
Optional parentheses
Optional semicolons
Optional return keyword
Optional public keyword
The Groovy Truth
Customizing the truth with asBoolean() methods