diff options
| author | mokha <mokha@cisco.com> | 2019-05-05 19:57:14 -0600 |
|---|---|---|
| committer | mokha <mokha@cisco.com> | 2019-05-05 19:57:14 -0600 |
| commit | 7b4cb6a2eef3a0fcde7e998832427c73599e4a0a (patch) | |
| tree | 75acc7cd8f3bd8a087e909db182c9e18a66879a1 /src/section-9 | |
| parent | 99a28d2dba93642e89a62ecf905a3bd4f138318d (diff) | |
use the exact naming convention for directories described by instructor
Diffstat (limited to 'src/section-9')
| -rw-r--r-- | src/section-9/Number.java | 46 | ||||
| -rw-r--r-- | src/section-9/NumberTest.java | 58 |
2 files changed, 0 insertions, 104 deletions
diff --git a/src/section-9/Number.java b/src/section-9/Number.java deleted file mode 100644 index d96274f..0000000 --- a/src/section-9/Number.java +++ /dev/null @@ -1,46 +0,0 @@ -package ca.mokhan.assignment1; - -import java.util.ArrayList; - -public class Number { - public static boolean isDivisibleBy5(int n) { - return isDivisibleBy(n, 5); - } - - public static boolean isDivisibleBy7(int n) { - return isDivisibleBy(n, 7); - } - - public static boolean isOdd(int n) { - return !isDivisibleBy(n, 2); - } - - public static boolean isPrime(int n) { - if (n <= 1) return false; - - for (int i = n - 1; i > 1; i--) if (isDivisibleBy(n, i)) return false; - - return true; - } - - public static boolean isDivisibleBy(int n, int denominator) { - return n % denominator == 0; - } - - public static ArrayList<String> iterate() { - ArrayList<String> items = new ArrayList<String>(); - ArrayList<String> row = new ArrayList<String>(); - for (Integer i = 0; i < 113; i++) { - row.clear(); - row.add(String.format("%d", i)); - - if (isOdd(i)) row.add(String.format("%d is odd", i)); - if (isDivisibleBy5(i)) row.add("hi five"); - if (isDivisibleBy7(i + (i + 1))) row.add("wow"); - if (isPrime(i)) row.add("prime"); - - items.add(String.join(",", row)); - } - return items; - } -} diff --git a/src/section-9/NumberTest.java b/src/section-9/NumberTest.java deleted file mode 100644 index 1ef9d96..0000000 --- a/src/section-9/NumberTest.java +++ /dev/null @@ -1,58 +0,0 @@ -package ca.mokhan.assignment1; - -import java.util.ArrayList; -import java.util.Arrays; -import java.util.List; -import junit.framework.Test; -import junit.framework.TestCase; -import junit.framework.TestSuite; - -public class NumberTest extends TestCase { - public NumberTest(String testName) { - super(testName); - } - - public static Test suite() { - return new TestSuite(NumberTest.class); - } - - public void testIsDivisibleBy5() { - for (int i = 0; i < 113; i++) - if (i % 5 == 0) assertTrue(Number.isDivisibleBy5(i)); - else assertFalse(Number.isDivisibleBy5(i)); - } - - public void testIsDivisibleBy7() { - for (int i = 0; i < 113; i++) - if (i % 7 == 0) assertTrue(Number.isDivisibleBy7(i)); - else assertFalse(Number.isDivisibleBy7(i)); - } - - public void testIsOdd() { - for (int i = 0; i < 113; i++) - if (i % 2 == 0) assertFalse(Number.isOdd(i)); - else assertTrue(Number.isOdd(i)); - } - - public void testIsPrime() { - List<Integer> primes = - Arrays.asList( - new Integer[] { - 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, - 83, 89, 97, 101, 103, 107, 109, 113 - }); - - for (Integer i = 0; i < 113; i++) - if (primes.contains(i)) assertTrue(Number.isPrime(i)); - else assertFalse(Number.isPrime(i)); - } - - public void testIterate() { - ArrayList<String> results = Number.iterate(); - assertTrue(results.contains("0,hi five")); - assertTrue(results.contains("1,1 is odd")); - assertTrue(results.contains("2,prime")); - assertTrue(results.contains("3,3 is odd,wow,prime")); - assertTrue(results.contains("4")); - } -} |
