This is a Java code quality training material.
This is a simple Master Data Management. You are a service provider to provide the service to validate data from clients and send statistic reports to state governments.
Application will process data with below requirements:
TAB file header: id, first_name, last_name, date_of_birth, company_name, address, city, county, state, zip, phone1, phone2, email, web
Contact properties: id, firstName, lastName, dateOfBirth, address, city, state, zipCode, mobilePhone, email
Input file example:
id first_name last_name company_name date_of_birth address city county state zip phone1 phone2 email website
1 James Butt Benton, John B Jr 01/06/1929 6649 N Blue Gum St New Orleans Orleans LA 70116 504-621-8927 504-845-1427 jbutt@gmail.com http://www.bentonjohnbjr.com
2 Josephine Darakjy Chanay, Jeffrey A Esq 02/01/1945 4 B Blue Ridge Blvd Brighton Livingston MI 48116 810-292-9388 810-374-9840 josephine_darakjy@darakjy.org http://www.chanayjeffreyaesq.com
3 Art Venere Chemel, James L Cpa 09/02/1960 8 W Cerritos Ave #54 Bridgeport Gloucester NJ 8014 856-636-8749 856-264-4130 art@venere http://www.chemeljameslcpa.com
4 Lenna Paprocki Feltz Printing Service 08/01/1915 639 Main St Anchorage Anchorage AK 99501 907-385-4412 907-921-2010 lpaprocki@hotmail.com http://www.feltzprintingservice.com
5 Donette Foller Printing Dimensions 05/14/1950 34 Center St Hamilton Butler OH 45011 513-570-1893 513-549-4561 donette.foller@cox.net http://www.printingdimensions.com
Validation rules: not empty, max length, pattern matching, valid reference
TAB file header: id, first_name, last_name, date_of_birth, address, city, state, zip_code, mobile_phone, email
Order by zip_code
Output file example:
id first_name last_name day_of_birth address city state zip_code mobile_phone email
5 Donette Foller 05/14/1950 34 Center St Hamilton OH 45011 513-570-1893 donette.foller@cox.net
2 Josephine Darakjy 02/01/1945 4 B Blue Ridge Blvd Brighton MI 48116 810-292-9388 josephine_darakjy@darakjy.org
1 James Butt 01/06/1929 6649 N Blue Gum St New Orleans LA 70116 504-621-8927 jbutt@gmail.com
4 Lenna Paprocki 08/01/1915 639 Main St Anchorage AK 99501 907-385-4412 lpaprocki@hotmail.com
TAB file header: state_code, number_of_contact
Output file example:
state_code number_of_contact
HI 3
TX 19
FL 20
NV 2
WA 3
NY 35
TAB file header: group, number_of_contact, percent_of_contact
Output file example:
group number_of_contact percentage_of_contact
Middle age 50 15%
Senior 147 44%
Adolescent 23 6%
Adult 82 24%
Children 29 8%
Note: There is a bug that the total percentage of contact is not 100%. Please fix it.
Note: age groups
group age
Children <9
Adolescent 10-19
Adult 20-45
Middle age 46-60
Senior >60
| Item | Definition | Grade | Note |
|---|---|---|---|
| 1 | Reading ‘Clean Code’ book (2 random questions) | 15 | |
| 2 | Applying KMS Java Coding Standards | 10 | |
| 3 | Descriptive names, comments | 10 | |
| 4 | Error handlings | 10 | |
| 5 | Unit-testing (80% coverage) | 20 | (-10 if there is no unit test) |
| 6 | Can fix the percentage bug | 5 | |
| 7 | Applying OO Principles (SOLID, DRY…), Design Patterns | 15 | |
| 8 | Java techniques (Reflection, Annotation, Java 8 Stream API, Lambda…) | 15 | |
| 9 | Performance Improvement (bonus) | 10 | |
| Total Score | 110 |