View Compilation Error

0_0_36327498_9275\Main.java:4: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_36327498_9275\Main.java:8: 错误: 需要class, interface或enum
while (sc.hasNextInt()) {
^
0_0_36327498_9275\Main.java:12: 错误: 需要class, interface或enum
int b = in.nextInt();
^
0_0_36327498_9275\Main.java:14: 错误: 需要class, interface或enum
System.out.println(a + b);
^
0_0_36327498_9275\Main.java:16: 错误: 需要class, interface或enum
}
^
0_0_36327498_9275\Main.java:20: 错误: 需要class, interface或enum
}
^
6 个错误