src/main/java/com/zipcodewilmington/exceptions/InvalidPhoneNumberFormatException.java

 package com.zipcodewilmington.exceptions;
 
+import java.io.IOException;
+
 /**
  * Created by leon on 5/10/17.
  */ // Checked Exception
-public final class InvalidPhoneNumberFormatException extends Exception {
+public final class InvalidPhoneNumberFormatException extends IOException {
 }

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.ArrayList;
+import java.util.Random;
 import java.util.logging.Logger;
 
 /**
      * @return array of randomly generated PhoneNumber objects
      */ //TODO - Implement logic
     public static PhoneNumber[] createRandomPhoneNumberArray(int phoneNumberCount) {
-        return null;
+        PhoneNumber[] phoneNumbers = new PhoneNumber[phoneNumberCount];
+        for(int i = 0; i <phoneNumberCount; i++)
+            phoneNumbers[i] = createRandomPhoneNumber();
+        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);
+        Integer areaCode = RandomNumberFactory.lengthOfNumbers(3);
+        Integer centralOfficeCode = RandomNumberFactory.lengthOfNumbers(3);
+        Integer phoneLineCode = RandomNumberFactory.lengthOfNumbers(4);
+
+        return createPhoneNumberSafely(areaCode, centralOfficeCode, phoneLineCode);
     }
 
 
      * @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);
+        try{
+        return createPhoneNumber("(" + areaCode +")-" + centralOfficeCode + "-" + phoneLineCode);
+        } catch (InvalidPhoneNumberFormatException e) {
+            logger.info("Invalid Format. Try again.");
+            return null;
+        }
     }
 
     /**
      * @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 {
+            logger.info("Trying to create phoneNumber");
+            return new PhoneNumber(phoneNumberString);
     }
 }

src/main/java/com/zipcodewilmington/tools/RandomNumberFactory.java

     public static Integer createInteger(Integer min, Integer max) {
         return createFloat(min, max).intValue();
     }
+
+    public static Integer lengthOfNumbers(int num) {
+        StringBuilder numbers = new StringBuilder();
+
+        for(int i = 1; i <= num; i++) {
+            numbers.append(i == 1 ? createInteger(1, 9) + "" : createInteger(0, 9) + "");
+        }
+        return Integer.valueOf(numbers.toString());
+    }
 }