View Compilation Error

0_0_19950847_526\Main.java:1: 错误: 需要class, interface或enum
public Test{
       ^
0_0_19950847_526\Main.java:2: 错误: 需要class, interface或enum
     public static void main(String[] agrs)
                   ^
0_0_19950847_526\Main.java:6: 错误: 需要class, interface或enum
        Integer b=s.nextint();
        ^
0_0_19950847_526\Main.java:8: 错误: 需要class, interface或enum
         System.out.println(a+b);
         ^
0_0_19950847_526\Main.java:9: 错误: 需要class, interface或enum
     }
     ^
5 个错误