update;

src/main/java/rocks/zipcode/quiz3a/collections/WordCounter.java

@@ -6,7 +6,7 @@ public class WordCounter {
     public WordCounter(String... strings) {
     }
 
-    public static Map<String, Integer> getWordCountMap() {
+    public Map<String, Integer> getWordCountMap() {
         return null;
     }
 }

src/test/java/rocks/zipcode/quiz3a/collections/wordcounter/GetWordCountMapTest.java

@@ -1,4 +1,72 @@
 package rocks.zipcode.quiz3a.collections.wordcounter;
 
+import org.junit.Assert;
+import org.junit.Test;
+import rocks.zipcode.quiz3a.collections.WordCounter;
+
+import java.util.Map;
+
 public class GetWordCountMapTest {
+    @Test
+    public void test1() {
+        // given
+        WordCounter wordCounter = new WordCounter("Hey");
+        Integer expected = 1;
+
+        // when
+        Map<String, Integer> map = wordCounter.getWordCountMap();
+        Integer actual = map.get("Hey");
+
+        // then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void test2() {
+        // given
+        WordCounter wordCounter = new WordCounter("Hey", "Hey");
+        Integer expected = 2;
+
+        // when
+        Map<String, Integer> map = wordCounter.getWordCountMap();
+        Integer actual = map.get("Hey");
+
+        // then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void test3() {
+        // given
+        WordCounter wordCounter = new WordCounter("Hey", "Hey", "Hello");
+        Integer expectedHey = 2;
+        Integer expectedHello = 1;
+
+        // when
+        Map<String, Integer> map = wordCounter.getWordCountMap();
+        Integer actualHey = map.get("Hey");
+        Integer actualHello = map.get("Hello");
+
+        // then
+        Assert.assertEquals(expectedHey, actualHey);
+        Assert.assertEquals(expectedHello, actualHello);
+    }
+
+
+    @Test
+    public void test4() {
+        // given
+        WordCounter wordCounter = new WordCounter("Hey", "Hey", "Hello", "Hello", "Hello");
+        Integer expectedHey = 2;
+        Integer expectedHello = 3;
+
+        // when
+        Map<String, Integer> map = wordCounter.getWordCountMap();
+        Integer actualHey = map.get("Hey");
+        Integer actualHello = map.get("Hello");
+
+        // then
+        Assert.assertEquals(expectedHey, actualHey);
+        Assert.assertEquals(expectedHello, actualHello);
+    }
 }