feat: kata/sentence-calculator

Author: ParanoidUser

kata/6-kyu/sentence-calculator/README.md

@@ -1,11 +1,11 @@
 # [Sentence Calculator](https://www.codewars.com/kata/sentence-calculator "https://www.codewars.com/kata/5970fce80ed776b94000008b")
 
-<h3>Sentence Calculator</h3>
+Calculate the total score (sum of the individual character scores) of a sentence given the following score rules for each allowed group of
+characters:
 
-Calculate the total score (sum of the individual character scores) of a sentence given the following score rules for each allowed group of characters:
- 1. Lower case [a-z]: 'a'=1, 'b'=2, 'c'=3, ..., 'z'=26
- 2. Upper case [A-Z]: 'A'=2, 'B'=4, 'C'=6, ..., 'Z'=52
- 3. Digits [0-9] their numeric value: '0'=0, '1'=1, '2'=2, ..., '9'=9
- 4. Other characters: 0 value
+1. Lower case [a-z]: 'a'=1, 'b'=2, 'c'=3, ..., 'z'=26
+2. Upper case [A-Z]: 'A'=2, 'B'=4, 'C'=6, ..., 'Z'=52
+3. Digits [0-9] their numeric value: '0'=0, '1'=1, '2'=2, ..., '9'=9
+4. Other characters: 0 value
 
-<em>Note: input will always be a string</em>
+*Note: input will always be a string*

kata/6-kyu/sentence-calculator/main/SentenceCalculator.java

@@ -0,0 +1,5 @@
+interface SentenceCalculator {
+  static int lettersToNumbers(String s) {
+    return s.replaceAll("\\W", "").chars().map(c -> c < 48 ? 0 : c < 58 ? c - 48 : c < 91 ? 2 * (c - 64) : c - 96).sum();
+  }
+}

kata/6-kyu/sentence-calculator/test/SampleTests.java

@@ -0,0 +1,19 @@
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
+
+class SampleTests {
+  @ParameterizedTest
+  @CsvSource(delimiter = '|', textBlock = """
+      Give me 5! | 73
+      Give me five! | 110
+      oops, i did it again! | 152
+      I Love You | 170
+      ILoveYou | 170
+      ARE YOU HUNGRY? | 356
+      """)
+  void sample(String input, int expected) {
+    assertEquals(expected, SentenceCalculator.lettersToNumbers(input));
+  }
+}