View Compilation Error

0_0_24326856_13707.cpp:11:1: error: 'import' does not name a type
 import java.math.*;
 ^
0_0_24326856_13707.cpp:12:1: error: 'import' does not name a type
 import java.io.*;
 ^
0_0_24326856_13707.cpp:13:1: error: 'import' does not name a type
 import java.util.*;
 ^
0_0_24326856_13707.cpp:15:1: error: expected unqualified-id before 'public'
 public class hdu5447{
 ^