View Compilation Error

0_0_23246595_6446.cpp:1:1: error: 'import' does not name a type
 import java.io.BufferedReader;
 ^
0_0_23246595_6446.cpp:3:1: error: 'import' does not name a type
 import java.io.IOException;
 ^
0_0_23246595_6446.cpp:5:1: error: 'import' does not name a type
 import java.io.InputStreamReader;
 ^
0_0_23246595_6446.cpp:7:1: error: 'import' does not name a type
 import java.util.ArrayList;
 ^
0_0_23246595_6446.cpp:9:1: error: 'import' does not name a type
 import java.util.TreeMap;
 ^
0_0_23246595_6446.cpp:15:1: error: expected unqualified-id before 'public'
 public class Main
 ^