src/main/java/com/zipcodewilmington/phone/PhoneNumberFactory.java

 package com.zipcodewilmington.phone;
 
 import com.zipcodewilmington.exceptions.InvalidPhoneNumberFormatException;
+import com.zipcodewilmington.tools.RandomNumberFactory;
 
 import java.util.logging.Logger;
 
 /**
  * Created by leon on 5/1/17.
  */
-public final class PhoneNumberFactory {
+public final class PhoneNumberFactory extends RandomNumberFactory {
     private static final Logger logger = Logger.getGlobal();
 
     private PhoneNumberFactory() {
      * @return array of randomly generated PhoneNumber objects
      */ //TODO - Implement logic
     public static PhoneNumber[] createRandomPhoneNumberArray(int phoneNumberCount) {
-        return null;
+        PhoneNumber[] phoneNumbers = new PhoneNumber[phoneNumberCount];
+        return phoneNumbers;
     }
 
     /**
      * @return an instance of PhoneNumber with randomly generated phone number value
      */ //TODO - Implement logic
-    public static PhoneNumber createRandomPhoneNumber() {
-        return createPhoneNumberSafely(-1, -1, -1);
+    public static PhoneNumber createRandomPhoneNumber() throws InvalidPhoneNumberFormatException {
+        return createPhoneNumberSafely(createInteger(100, 800), createInteger(100, 899), createInteger(1000, 8888));
     }
 
 
      * @param phoneLineCode     - 4 digit code
      * @return a new phone number object
      */ //TODO - if input is valid, return respective PhoneNumber object, else return null
-    public static PhoneNumber createPhoneNumberSafely(int areaCode, int centralOfficeCode, int phoneLineCode) {
-        return createPhoneNumber(null);
+    public static PhoneNumber createPhoneNumberSafely(int areaCode, int centralOfficeCode, int phoneLineCode) throws InvalidPhoneNumberFormatException {
+        PhoneNumber x;
+        try {
+            x = createPhoneNumber(String.format("(%s)-%s-%s", areaCode, centralOfficeCode, phoneLineCode));
+           // return x;
+
+        } catch(InvalidPhoneNumberFormatException e){
+            e.printStackTrace();
+            logger.info("("+areaCode+")-"+centralOfficeCode+"-"+phoneLineCode+" is not a valid phone number");
+            x = null;
+        }
+        return x;
     }
 
     /**
      * @return a new phone number object
      * @throws InvalidPhoneNumberFormatException - thrown if phoneNumberString does not match acceptable format
      */ // TODO - Add throws statement to method signature
-    public static PhoneNumber createPhoneNumber(String phoneNumberString) {
-        return null;
+    public static PhoneNumber createPhoneNumber(String phoneNumberString) throws InvalidPhoneNumberFormatException {
+        PhoneNumber phoneNumber = new PhoneNumber(phoneNumberString);
+        logger.info("Attempting to create a new PhoneNumber object with a value of "+ phoneNumberString);
+        return phoneNumber;
     }
 }

src/test/java/com/zipcodewilmington/PhoneNumberFactoryTest.java

     }
 
     @Test
-    public void testCreatePhoneNumberSafely() {
+    public void testCreatePhoneNumberSafely() throws InvalidPhoneNumberFormatException {
         // : Given
         int areaCode = 0;
         int centralOfficeCode = 0;
     }
 
     @Test
-    public void testGetAreaCode() {
+    public void testGetAreaCode() throws InvalidPhoneNumberFormatException {
         // : Given
         Integer areaCode = 302;
         int centralOfficeCode = 312;
     }
 
     @Test
-    public void testGetCentralOfficeCode() {
+    public void testGetCentralOfficeCode() throws InvalidPhoneNumberFormatException {
         // : Given
         int areaCode = 302;
         Integer centralOfficeCode = 312;
 
 
     @Test
-    public void testPhoneLineCode() {
+    public void testPhoneLineCode() throws InvalidPhoneNumberFormatException {
         // : Given
         int areaCode = 302;
         int centralOfficeCode = 312;
     }
 
     @Test
-    public void testCreateRandomPhoneNumber() {
+    public void testCreateRandomPhoneNumber() throws InvalidPhoneNumberFormatException {
         for (int i = 0; i < 999; i++) {
             // : Given
             // : When