[Java] Fix numeric field names#3436

Merged

macjohnny merged 3 commits intoOpenAPITools:masterfrom

Fjolnir-Dvorak:bug/java_escapingNumbers

Jul 25, 2019

Commits on Jul 24, 2019

Fix for OpenAPITools/openapi-generator#3293. Number fields in java generators are escaped now.
Fjolnir-Dvorak
committed
Added a few tests for number to varName to persist and ensure this behaviour for future breaking changes OpenAPITools/openapi-generator#3293.
Fjolnir-Dvorak
committed
I also added a few test for convertModelName to prevent similar breaking changes in the future. OpenAPITools/openapi-generator#3293.
Fjolnir-Dvorak
committed