View Compilation Error

0_0_10423316_7301\Main.java:47: 非法的类型开始
    public ArrayList<Integer> fnum = new ArrayList<>();
                                                   ^
0_0_10423316_7301\Main.java:48: 非法的类型开始
    public ArrayList<Edges> edge = new ArrayList<>();
                                                 ^
2 错误