View Compilation Error

0_0_20899165_9134.cpp:7:1: error: 'import' does not name a type
 import java.util.*;
 ^
0_0_20899165_9134.cpp:8:1: error: 'import' does not name a type
 import java.math.BigInteger;
 ^
0_0_20899165_9134.cpp:9:1: error: expected unqualified-id before 'public'
 public class Main {
 ^