ZCW-PhoneBook/PhoneBook.java

 import java.util.TreeMap;
 import java.util.Map;
 import java.util.ArrayList;

/**
 * Created by leon on 1/23/18.
 */
public class PhoneBook {
    Map<String,Entry> phonebook = new TreeMap<String,Entry>();
    public PhoneBook(){       
        
    }
    
    public void addEntry(String name, String phoneNumber){
        Entry newEntry = new Entry(phoneNumber);
        phonebook.put(name,newEntry);        
    }
    
    public Entry getEntry(String name){
        return phonebook.get(name);
    }
    
    
    
    
}