Google's Java Style Checkstyle Coverage Useful information. Download checkstyle for free. Each of these naming modules validates identifiers for particular code elements. Chocolatey is trusted by businesses to manage software deployments. Google Java Style( INSTANCE_INIT, ANNOTATION_DEF, ENUM_DEF, INTERFACE_DEF, RECORD_DEF, or preceding-sibling::*[last()][self::LCURLY]], LITERAL_WHILE, LITERAL_DO, LITERAL_FOR, DO_WHILE.