Error java: package javafx.application does not exist

Language: Java

java 11.0.9 2020-10-20 LTSJava(TM) SE Runtime Environment 18.9 (build 11.0.9+7-LTS)Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.9+7-LTS, mixed mode)
My Java dir in Program Files