View Compilation Error

0_0_14844410_30435.cpp:1:1: error: 'package' does not name a type
 package hdu_JavaBigInteger;
 ^
0_0_14844410_30435.cpp:3:1: error: 'import' does not name a type
 import java.math.BigInteger;
 ^
0_0_14844410_30435.cpp:4:1: error: 'import' does not name a type
 import java.util.Scanner;
 ^
0_0_14844410_30435.cpp:5:1: error: 'import' does not name a type
 import java.io.*;
 ^
0_0_14844410_30435.cpp:7:1: error: expected unqualified-id before 'public'
 public class hdu1002 {
 ^