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Learning Profile for Assignment #1, And Question #3

Name: Mo Khan
Student ID: 3431709

1. Problem Statement:

Write a program that prompts the user to enter two points `(x1, y1)` and `(x2, y2)`.
Calculate and display the distance between the two points using the formula below.
Round the answer up to 2 decimal points.
You can use `Math.pow(a,0.5)` to compute the square root of an expression.
`Math.pow()` returns a double.

For example, the distance between the points (−2, −3) and (−4, 4) is approximately 7.28, as shown below.

2. Description of the Code: 

[Briefly describe how you solved the problem in your code. You should include short description of classes, methods, and variables (if necessary) that you used in your code.]

I took the example described in the problem statement and converted it
to a junit test. Then I implemented the `calculateDistance` interface.

3. Errors and Warnings:

```bash
モ mvn test
[INFO] Scanning for projects...
[INFO]
[INFO] -------------------< ca.mokhan.comp268:assignment1 >--------------------
[INFO] Building assignment1 1.0-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- fmt-maven-plugin:2.8:format (default) @ assignment1 ---
[INFO] Processed 48 files (0 reformatted).
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ assignment1 ---
[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory /Users/mokha/development/gh/comp-268/src/main/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ assignment1 ---
[INFO] Changes detected - recompiling the module!
[WARNING] File encoding has not been set, using platform encoding UTF-8, i.e. build is platform dependent!
[INFO] Compiling 24 source files to /Users/mokha/development/gh/comp-268/target/classes
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ assignment1 ---
[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory /Users/mokha/development/gh/comp-268/src/test/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ assignment1 ---
[INFO] Changes detected - recompiling the module!
[WARNING] File encoding has not been set, using platform encoding UTF-8, i.e. build is platform dependent!
[INFO] Compiling 24 source files to /Users/mokha/development/gh/comp-268/target/test-classes
[INFO]
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ assignment1 ---
[INFO] Surefire report directory: /Users/mokha/development/gh/comp-268/target/surefire-reports

-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running ca.mokhan.comp268.AppTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running ca.mokhan.test.CandidateTest
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.046 sec
Running ca.mokhan.test.NumberTest
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.021 sec
Running ca.mokhan.test.EmployeeSavingsTest
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running ca.mokhan.test.CartesianCoordinateSystemTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec
Running ca.mokhan.test.CommunicationTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec
Running ca.mokhan.test.TaxReturnTest
Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec
Running ca.mokhan.test.BanffMarathonRunnerTest
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec
Running ca.mokhan.test.AddressBookTest
Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec
Running ca.mokhan.test.TriangleTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec
Running ca.mokhan.test.BonusOnSavingsTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec
Running ca.mokhan.test.HailstoneSequenceTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec

Results :

Tests run: 52, Failures: 0, Errors: 0, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  2.899 s
[INFO] Finished at: 2019-05-13T21:15:06-06:00
[INFO] ------------------------------------------------------------------------
```

4. Sample Input and Output:

Tests are available in `CartesianCoordinateSystemTest.java`.

5. Discussion: