View Compilation Error

0_0_30248632_14812\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_30248632_14812\Main.java:4: 错误: 需要class, interface或enum
		int i = in.nextInt();
		^
0_0_30248632_14812\Main.java:5: 错误: 需要class, interface或enum
        int j = in.nextInt();
        ^
0_0_30248632_14812\Main.java:6: 错误: 需要class, interface或enum
        System.out.println(i+j);
        ^
4 个错误