View Compilation Error

0_0_37985640_16893\Main.java:2: 错误: 需要class, interface或enum
  public static void main(String[]args){
                ^
0_0_37985640_16893\Main.java:3: 错误: 需要class, interface或enum
   int a=1;b=1;
           ^
0_0_37985640_16893\Main.java:4: 错误: 需要class, interface或enum
   System.out.println(a+b);
   ^
0_0_37985640_16893\Main.java:5: 错误: 需要class, interface或enum
}
^
4 个错误