lab is done

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

 package com.zipcodewilmington.phonebook;
 
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.TreeMap;
+
 /**
  * Created by leon on 1/23/18.
  */
 public class PhoneBook {
+    public static void main (String[] args){
+
+    }
+
+
+    private Map<String, ArrayList<String>> directory;
+
+    public PhoneBook (){
+        directory= new TreeMap< String, ArrayList<String>>();
+
+    }
+    public  void setValues(String name, ArrayList<String>phonenumber){
+        this.directory.put(name, phonenumber);
+    }
+
+
+    public boolean hasEntry(String name) {
+
+return directory.containsKey(name);
+
+}
+
+    public void add(String name, String number) {
+        ArrayList<String> contact = new ArrayList<>();
+        contact.add(number);
+        directory.put(name,contact);
+
+    }
+
+
+
+    public ArrayList<String> getContact(String name) {
+         return directory.get(name);
+     }
+     public String reverseLookUp(String number){
+        String repply= "Not here";
+        for (String name:directory.keySet()){
+            ArrayList<String> reverse= directory.get(name);
+            for (String looking: reverse){
+                if (looking.equals(number)){
+                     repply= name;
+                }
+            }
+        }
+        return repply;
+     }
+
+     public  void  remove (String name){
+        if (directory.containsKey(name)){
+            directory.remove(name);
+        }
+     }
+
+    public String listNameAndNumbers() {
+        StringBuilder builder = new StringBuilder();
+        for (String name:directory.keySet()){
+            for (int i= 0; i< directory.get(name).size(); i++){
+                builder.append(name + " " + directory.get(name).get(i) + "\n");
+            }
+        }
+        return builder.toString();
+    }
+
+
+    public Map<String, ArrayList<String>> getDirectory() {
+        return directory;
+    }
+    public Map<String, ArrayList<String>> getContact() {
+        return directory;
+    }
+
+
+    public void setDirectory(Map<String, ArrayList<String>> directory) {
+        this.directory = directory;
+    }
+
+
+
 }

src/test/java/com/zipcodewilmington/phonebook/PhoneBookTest.java

 package com.zipcodewilmington.phonebook;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.ArrayList;
 
 /**
  * Created by leon on 1/23/18.
  */
 public class PhoneBookTest {
+
+    @Test
+     public void hasEntrytest  ()  {
+        PhoneBook info = new PhoneBook();
+        String name = "Nuridalia";
+        String number= "267-363-8738";
+        info.add(name, number);
+
+        //when
+
+    boolean actualOutput= info.hasEntry(name);
+
+
+        Assert.assertTrue(actualOutput);
+
+
+    }
+
+
+    @Test
+    public void addEntrytest  ()  {
+        PhoneBook info = new PhoneBook();
+        String name = "Nuridalia";
+        String number= "267-363-8738";
+        info.add(name, number);
+
+        //when
+
+        Assert.assertEquals(1, info.getContact().size());
+
+
+    }
+    @Test
+    public void getContactTest(){
+        PhoneBook info = new PhoneBook();
+        String name= "Nuridalia";
+        String number= "267-777-9999";
+        info.add(name , number);
+
+        String expected= number;
+        ArrayList<String> actual= info.getContact(number);
+    }
+
+
+
+    @Test
+    public  void removeTest (){
+
+        PhoneBook info = new PhoneBook();
+        String name = "Nuridalia";
+        String number = "267-777-9999";
+        info.add(name, number);
+        info.remove(name);
+
+        boolean actual = info.hasEntry(name);
+        boolean expected = true;
+        Assert.assertFalse(actual);
+
+
+    }
+
+
+    @Test
+    public void  reverseLookupTest(){
+        PhoneBook info =new PhoneBook();
+        String name= "Evangelina";
+        String number = "267-999-8888";
+        info.add(name, number);
+
+        String actual= info.reverseLookUp(number);
+        String expected = name;
+
+
+        Assert.assertEquals(expected, actual);
+
+
+    }
+
+
+    @Test
+    public  void listNamesAndNumbers(){
+        PhoneBook info = new PhoneBook ();
+        info.add("Eva", "999-999-999");
+        info.add("nury", "888-999-8787");
+        info. add ("Dayhani", "888-777-9090");
+
+        String actual= info.listNameAndNumbers();
+        String expected= "Dayhani 888-777-9090\nEva 999-999-999\nnury 888-999-8787\n";
+
+        Assert.assertEquals(expected,actual);
+
+
+
+
+    }
 }