سلام
هنگام اجراي يك برنامه در b4j اين خطا داده ميشود
B4J Version: 10.00
Parsing code. (0.00s)
Java Version: 8
Building folders structure. (0.01s)
Compiling code. (0.01s)
Compiling layouts code. (0.01s)
Organizing libraries. (0.00s)
Compiling generated Java code. Error
Picked up _JAVA_OPTIONS: -Xmx1024m
src\b4j\example\main.java:7: error: package javafx.application does not exist
public class main extends javafx.application.Application{