CodeGymTasks\8.Games\src\com\codegym\games\minesweeper\MinesweeperGame.java:8:8 java: 无法访问javafx.application.Application 找不到javafx.application.Application的类文件 manual op: javac -cp lib/* -encoding "UTF-8" -d ../out/production/8. Games src/com/codegym/games/minesweeper/*.java src\com\codegym\games\minesweeper\MinesweeperGame.java:8: 错误: 无法访问Application public class MinesweeperGame extends Game { ^ 找不到javafx.application.Application的类文件 1 个错误 java -version java version "15.0.1" 2020-10-20 Java(TM) SE Runtime Environment (build 15.0.1+9-18) Java HotSpot(TM) 64-Bit Server VM (build 15.0.1+9-18, mixed mode, sharing) javac -version javac 15.0.1