Consider the application for booking meeting rooms. Create a program to keep track of contacts. For each person to save a name and phone number. The program will have graphic user interface, and store information on file. Program code is provided on a single text file (. Txt). Separate classes clearly.

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import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

public class MeetingRoom {

public Map<String, String> names;

public MeetingRoom()
names = new HashMap<String, String>();
try(BufferedReader out = new BufferedReader(new FileReader("contacts.txt")))
String line;
while((line = out.readLine()) != null)
String[] split = line.split("\\s+");
names.put(split[0], split[1]);
} catch (IOException e) {

public boolean addEntry(String name, String phoneNumber)
names.put(name, phoneNumber);
return true;...

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