View Compilation Error

0_0_23704496_25530.cpp:12:3: error: stray '@' in program
   @Override
   ^
0_0_23704496_25530.cpp:24:3: error: stray '@' in program
   @Override
   ^
0_0_23704496_25530.cpp:1:1: error: expected unqualified-id before 'public'
 public class Main {
 ^