View Compilation Error

0_0_17201916_31111.cpp:1:1: error: 'import' does not name a type
 import java.io.BufferedReader;
 ^
0_0_17201916_31111.cpp:2:1: error: 'import' does not name a type
 import java.io.IOException;
 ^
0_0_17201916_31111.cpp:3:1: error: 'import' does not name a type
 import java.io.InputStreamReader;
 ^
0_0_17201916_31111.cpp:4:1: error: 'import' does not name a type
 import java.io.StreamTokenizer;
 ^
0_0_17201916_31111.cpp:5:1: error: 'import' does not name a type
 import java.util.HashMap;
 ^
0_0_17201916_31111.cpp:7:1: error: expected unqualified-id before 'public'
 public class Hash {
 ^