View Compilation Error

0_0_38424925_30080.cpp:133:9: error: stray '@' in program
         @Override
         ^
0_0_38424925_30080.cpp:1:1: error: 'import' does not name a type
 import java.util.ArrayList;
 ^
0_0_38424925_30080.cpp:2:1: error: 'import' does not name a type
 import java.util.StringTokenizer;
 ^
0_0_38424925_30080.cpp:3:1: error: 'import' does not name a type
 import java.io.*;
 ^
0_0_38424925_30080.cpp:5:1: error: expected unqualified-id before 'public'
 public class Main {
 ^