View Compilation Error

0_0_21018740_30994.cpp:1:2: error: 'import' does not name a type
  import java.util.*;
  ^
0_0_21018740_30994.cpp:2:2: error: 'import' does not name a type
  import java.io.*;
  ^
0_0_21018740_30994.cpp:3:2: error: 'import' does not name a type
  import java.math.BigInteger;
  ^
0_0_21018740_30994.cpp:4:2: error: 'import' does not name a type
  import java.util.Scanner;
  ^
0_0_21018740_30994.cpp:6:2: error: expected unqualified-id before 'public'
  public class Main {
  ^