Final Changes

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

@@ -0,0 +1,38 @@
+package com.zipcodewilmington.phonebook;
+
+
+import java.util.Scanner;
+
+public class Main {
+    public static void main(String[] args) {
+
+
+        PhoneBook phoneBook = new PhoneBook();
+        phoneBook.getContacts().put("", "");
+        phoneBook.getContacts().put("Reggie", "215...");
+        phoneBook.getContacts().put("Rick", "302...");
+        phoneBook.getContacts().put("Ronald", "215...");
+        phoneBook.getContacts().put("Riley Home", "302...");
+        phoneBook.getContacts().put("Riley Work", "484...");
+
+        phoneBook.getContacts().put("Richard", "215...");
+        phoneBook.getContacts().put("Randall", "302...");
+        phoneBook.getContacts().put("Ralph", "302..");
+//        System.out.println(phoneBook.getContacts().get("Reggie"));
+//        phoneBook.getContacts().put("Reggie", "302...");
+//        phoneBook.removeEntry("Reggie", "215..");
+        //System.out.println(getContacts());
+        phoneBook.removeEntry("Ronald");
+        phoneBook.addEntry("Sarah","484...");
+        phoneBook.addEntry("Sabrina","484...");
+        phoneBook.addEntry("Selena","484...");
+        phoneBook.addEntry("Shannon","484...");
+        phoneBook.addEntry("Skylar","484...");
+        //phoneBook.listNamesAndNumbers();
+        phoneBook.reverseLookUp("215...");
+        System.out.println(phoneBook.reverseLookUp("215..."));
+        //System.out.println(phoneBook.listNamesAndNumbers());
+    }
+
+
+}

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

@@ -1,7 +1,106 @@
 package com.zipcodewilmington.phonebook;
 
+import java.lang.reflect.Array;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+
 /**
  * Created by leon on 1/23/18.
  */
 public class PhoneBook {
+
+
+    public HashMap<String, String> contacts;
+
+    public PhoneBook (){
+
+        contacts = new HashMap<>();
+    }
+
+    //public void setContacts(HashMap<String, String> contacts) {
+    public void setContacts(String name, String number){
+        //this.contacts = contacts;
+        this.contacts.put(name, number);
+        System.out.println(this.contacts);
+    }
+
+    public void addEntry(String name, String phoneNumber){
+
+        contacts.put(name,phoneNumber);
+    }
+
+
+    public boolean hasName(String name){
+        if(contacts.containsKey(name)){
+        return true;
+    } else {
+        return false;
+        }
+    }
+
+    public boolean hasNumber(String contactNumber){
+        if(contacts.containsValue(contactNumber)){
+            return true;
+        } else{
+            return false;
+        }
+
+    }
+
+    //public void addNumber()
+
+    public HashMap<String, String> getContacts() {
+
+        return contacts;
+    }
+
+    public boolean removeEntry(String name, String phoneNumber){
+
+        return contacts.remove(name, phoneNumber);
+    }
+
+    public String removeEntry(String name){
+        return contacts.remove(name);
+
+    }
+
+    public String reverseLookUp(String phoneNumber) {
+
+        for (String name : contacts.keySet()) {
+//            contacts.get(name);
+            if (contacts.get(name).equals(phoneNumber)) {
+                return name;
+            }
+        }
+        return null;
+//        for(int i = 0; i < contacts.size(); i++){
+//            if(contacts.containsValue(phoneNumber)){
+//                return contacts.get()
+//            }
+//        }
+//        return contacts.get(getContacts(phoneNumber));
+    }
+
+    public String listNamesAndNumbers(){
+        List<String> contactList = new ArrayList(contacts.keySet());
+        //System.out.println(contacts + "HERE'S THE CONTACTS");
+        Collections.sort(contactList);
+
+        String sortedNamesWithNumbers = " ";
+        for(String contactName : contactList){
+
+
+            sortedNamesWithNumbers += contactName + "   ";
+            sortedNamesWithNumbers += contacts.get(contactName);
+
+            sortedNamesWithNumbers += " \n";
+
+
+        }
+        System.out.println(sortedNamesWithNumbers);
+
+        return sortedNamesWithNumbers;
+    }
 }

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

@@ -1,7 +1,69 @@
 package com.zipcodewilmington.phonebook;
 
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import static junit.framework.TestCase.assertTrue;
+
 /**
  * Created by leon on 1/23/18.
  */
 public class PhoneBookTest {
+    private PhoneBook phoneBook;
+
+
+    @Before
+    public void setUp() {
+        phoneBook = new PhoneBook();
+    }
+
+    @Test
+    public void addTest() {
+        phoneBook.addEntry("Reggie", "215...");
+        assertTrue(phoneBook.getContacts().get("Reggie") != null);
+        ;
+    }
+
+    @Test
+    public void hasEntryTest() {
+        phoneBook.addEntry("Reggie", "215...");
+        assertTrue(phoneBook.hasName("Reggie"));
+    }
+
+    @Test
+    public void addNumberTest() {
+        phoneBook.addEntry("Reggie", "302...");
+        //assertTrue(phoneBook.hasEntry());
+    }
+
+    @Test
+    public void lookupTest() {
+        phoneBook.addEntry("Reggie", "215...");
+        assertTrue(phoneBook.hasNumber("215..."));
+    }
+
+    @Test
+    public void removeEntryTest() {
+        phoneBook.addEntry("Reggie", "215...");
+        assertTrue(phoneBook.removeEntry("Reggie", "215..."));
+    }
+
+    @Test
+    public void reverseLookupTest() {
+        phoneBook.addEntry("Reggie", "215...");
+        //assertTrue(phoneBook.hasNumber("215..."));
+        Assert.assertEquals("Reggie", phoneBook.reverseLookUp("215..."));
+
+    }
+    @Test
+    public void listNameAndNumbersTest(){
+            String contactToBeRemoved = "Eugene";
+        phoneBook.addEntry("Reggie", "215...");
+
+        //assertTrue(phoneBook.listNamesAndNumbers());
+            assertTrue(phoneBook.getContacts().get(contactToBeRemoved) == null);
+    }
 }
+
+