Fix ReverseWords class and test (TheAlgorithms#2077)

Author: JackZeled0n

src/main/java/com/string/ReverseWords.java

@@ -1,4 +1,4 @@
-package com.strings;
+package com.string;
 
 public class ReverseWords {
   /**
@@ -8,7 +8,7 @@ public class ReverseWords {
    * @return the {@code String}, converted to a string with reveresed words.
    */
 
-  public String returnReverseWords(String s) {
+  public static String returnReverseWords(String s) {
     StringBuilder sb = new StringBuilder();
     StringBuilder word = new StringBuilder();
 

src/test/java/com/string/ReverseWordsTest.java

@@ -3,13 +3,11 @@
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
-class ReveresWordsTest {
+class ReverseWordsTest extends ReverseWords {
 
     @Test
     void testReverseWords() {
-        ReverseWords reverseWords = new ReverseWords();
-        Assertions.assertEquals(true, reverseWords.returnReverseWords("this is my car"), "siht si ym rac");
-        Assertions.assertEquals(true, reverseWords.returnReverseWords("ABC 123"), "CBA 321");
-
+        Assertions.assertEquals(true, returnReverseWords("this is my car").equals("siht si ym rac"), "Correct");
+        Assertions.assertEquals(true, returnReverseWords("ABC 123").equals("CBA 321"), "Correct");
     }
 }