View Compilation Error

0_0_35005116_5715.cpp:1:1: error: 'package' does not name a type
 package practice01;
 ^
0_0_35005116_5715.cpp:2:1: error: 'import' does not name a type
 import java.util.Scanner;
 ^
0_0_35005116_5715.cpp:3:1: error: 'import' does not name a type
 import java.util.Map;
 ^
0_0_35005116_5715.cpp:4:1: error: 'import' does not name a type
 import java.util.HashMap;
 ^
0_0_35005116_5715.cpp:5:1: error: expected unqualified-id before 'public'
 public class Lianxi {
 ^