View Compilation Error

0_0_39323740_2396\Main.java:1: 错误: 需要class, interface或enum
    public static void main(String[] args) {
                  ^
0_0_39323740_2396\Main.java:3: 错误: 需要class, interface或enum
        Scanner scanner= new Scanner(System.in);
        ^
0_0_39323740_2396\Main.java:4: 错误: 需要class, interface或enum
        System.out.println("输入两个数字： ");
        ^
0_0_39323740_2396\Main.java:5: 错误: 需要class, interface或enum
        number1 = scanner.nextInt();
        ^
0_0_39323740_2396\Main.java:6: 错误: 需要class, interface或enum
        number2 = scanner.nextInt();
        ^
0_0_39323740_2396\Main.java:7: 错误: 需要class, interface或enum
        sum = number1 + number2;
        ^
0_0_39323740_2396\Main.java:8: 错误: 需要class, interface或enum
        System.out.println(sum);
        ^
0_0_39323740_2396\Main.java:9: 错误: 需要class, interface或enum
        scanner.close();
        ^
0_0_39323740_2396\Main.java:10: 错误: 需要class, interface或enum
    }
    ^
9 个错误