finshed the lab

src/main/java/com/zipcodewilmington/phonebook/PhoneBook.java

@@ -1,54 +1,89 @@
 package com.zipcodewilmington.phonebook;
 
-import java.util.List;
-import java.util.ArrayList;
+import java.util.*;
 //import java.util.HashMap;
-import java.util.Iterator;
-import java.util.LinkedHashMap;
-import java.util.Map;
+
 
 /**
  * Created by leon on 1/23/18.
  * Made WAY better by kristofer 6/16/20
  */
+
+
+
 public class PhoneBook {
 
-    private final Map<String, List<String>> phonebook;
+    private Map<String, List<String>> phonebook = new LinkedHashMap<>();
+    private List<String> telephoneNumbers = new ArrayList<>();
 
-    public PhoneBook(Map<String, List<String>> map) {
-        this.phonebook = null;
+    //private final Map<String, List<String>> phonebook;
+
+   public PhoneBook(Map<String, List<String>> phonebookMap) {
+        this.phonebook = phonebookMap;
     }
 
+
+
     public PhoneBook() {
-        this(null);
+       // this(null);
     }
 
     public void add(String name, String phoneNumber) {
+        telephoneNumbers.add(phoneNumber);
+        phonebook.put(name, telephoneNumbers);
     }
 
     public void addAll(String name, String... phoneNumbers) {
+        telephoneNumbers.addAll(Arrays.asList(phoneNumbers));
+       // assert phonebook != null;
+        phonebook.put(name, telephoneNumbers);
     }
 
     public void remove(String name) {
+       phonebook.remove(name);
+
     }
 
     public Boolean hasEntry(String name) {
-        return null;
+
+        return phonebook.containsKey(name);
+
     }
+    public Boolean hasEntry(String name, String phoneNumber) {
+        phonebook.containsValue(phoneNumber);
+         return phonebook.containsKey(name);
+   }
+
+
 
     public List<String> lookup(String name) {
-        return null;
+        return phonebook.get(name);
     }
 
     public String reverseLookup(String phoneNumber)  {
-        return null;
+        List<String> contactNames =getAllContactNames();
+        List<String> numbers;
+       for(String name : contactNames) {
+           numbers = phonebook.get(name);
+           for (String number : numbers) {
+               if (number == phoneNumber) {
+                  return name;
+               }
+           }
+       }
+
+       return null;
     }
 
     public List<String> getAllContactNames() {
-        return null;
+       List<String> contactNames = new ArrayList<>();
+        for (String key : phonebook.keySet()) {
+            contactNames.add(key);
+        }
+        return contactNames;
     }
 
     public Map<String, List<String>> getMap() {
-        return null;
+        return phonebook;
     }
 }