View Compilation Error

1_798_2283_31210.cpp:28:5: error: stray '@' in program
     @Override
     ^
1_798_2283_31210.cpp:1:1: error: 'import' does not name a type
 import java.math.BigInteger;
 ^
1_798_2283_31210.cpp:2:1: error: 'import' does not name a type
 import java.util.Arrays;
 ^
1_798_2283_31210.cpp:3:1: error: 'import' does not name a type
 import java.util.Comparator;
 ^
1_798_2283_31210.cpp:4:1: error: 'import' does not name a type
 import java.util.Scanner;
 ^
1_798_2283_31210.cpp:6:1: error: expected unqualified-id before 'public'
 public class Main {
 ^