View Compilation Error

0_0_23567382_13050.cpp:5:1: error: 'import' does not name a type
 import java.io.*;
 ^
0_0_23567382_13050.cpp:6:1: error: 'import' does not name a type
 import java.math.BigInteger;
 ^
0_0_23567382_13050.cpp:7:1: error: 'import' does not name a type
 import java.util.*;
 ^
0_0_23567382_13050.cpp:9:1: error: expected unqualified-id before 'public'
 public class Main
 ^