View Compilation Error

0_0_31800773_2990.cpp:1:1: error: 'import' does not name a type
 import java.math.BigInteger;
 ^
0_0_31800773_2990.cpp:2:1: error: 'import' does not name a type
 import java.util.Scanner;
 ^
0_0_31800773_2990.cpp:5:2: error: 'BigInteger' does not name a type
  BigInteger id;
  ^
0_0_31800773_2990.cpp:6:2: error: 'BigInteger' does not name a type
  BigInteger sum;
  ^
0_0_31800773_2990.cpp:7:1: error: expected ';' after class definition
 }
 ^
0_0_31800773_2990.cpp:9:1: error: expected unqualified-id before 'public'
 public class Main {
 ^