antz29 / java-test

Fun things and other challenges

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Java Exercise

This is a simple exercise to allow you to demostrate your software engineering skillset. It's completly up to you how long you give yourself, stop when you're happy with the quality of your work, but we don't expect it to take too long.

Instructions

  1. Please fork this repository and work on your fork. https://help.github.com/en/articles/fork-a-repo
  2. Commit changes frequently so that we can review your progression with you later. https://crealytics.com/blog/5-reasons-keeping-git-commits-small/
  3. You should use a recognised build tool, e.g. gradle, maven...
  4. We are currently using open JDK 8u181. But please use the JDK you think is most appropriate to demonstrate your skillset.
  5. We don't expect 100% code coverage, we expect well tested code. https://medium.com/@nicklee1/why-test-code-coverage-targets-are-a-bad-idea-1b9b8ef711ef
  6. Any other tools or libraries used must be freely available. Any third-party jars must be accessible via maven central.
  7. The specification is below.

Specification

A local shop, Henry’s Grocery, has asked you to author an IT solution for them to price up a basket of shopping for their customers.

Henry’s Grocery, currently only stocks four items and has two promotions. These are as follows:

Stock Items

product unit cost
soup tin 0.65
bread loaf 0.80
milk bottle 1.30
apples single 0.10

Discounts

the offer valid from valid to
Buy 2 tins of soup and get a loaf of bread half price yesterday for 7 days
Apples have a 10% discount from 3 days hence until the end of the following month

Inputs

All basket items added via the command prompt.

Outputs

All outputs must print to the command line.

Tests

  • Price a basket containing: 3 tins of soup and 2 loaves of bread, bought today,
    • Expected total cost = 3.15;
  • Price a basket containing: 6 apples and a bottle of milk, bought today,
    • Expected total cost = 1.90;
  • Price a basket containing: 6 apples and a bottle of milk, bought in 5 days time,
    • Expected total cost = 1.84;
  • Price a basket containing: 3 apples, 2 tins of soup and a loaf of bread, bought in 5 days time,
    • Expected total cost = 1.97.

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Fun things and other challenges