View Compilation Error

0_0_19066445_14844.cpp:1:1: error: 'package' does not name a type
 package hdu2002;
 ^
0_0_19066445_14844.cpp:2:1: error: 'import' does not name a type
 import java.text.DecimalFormat;
 ^
0_0_19066445_14844.cpp:3:1: error: 'import' does not name a type
 import java.util.Scanner;
 ^
0_0_19066445_14844.cpp:4:1: error: expected unqualified-id before 'public'
 public class Main {
 ^