Cheatsheet: JavaPoet

Last updated 2023-03-01

Placeholders

$L - literal value with no escaping.

$L

$N emits a name, using name collision avoidance where necessary

addStatement("$N.toString()", fieldName)
// output
name.toString();

$S escapes the value as a string

addStatement("String initialValue = $S", initialValue)
// output
String initialValue = "EXCHANGE_RATE";

$T emits a type reference

addStatement("$T a = $S", String.class, "")
// output
String a = "";

$$ emits a dollar ($) sign

Control flow