Kinda done

src/main/java/rocks/zipcode/io/quiz3/arrays/WaveGenerator.java

@@ -5,15 +5,10 @@ package rocks.zipcode.io.quiz3.arrays;
  */
 public class WaveGenerator {
     public static String[] wave(String str) {
-        char[] arr = str.toCharArray();
-        Integer counter = 0;
-        for(int i=0;i < str.length(); i++) {
-            for (int j = 0; j <= i; j++) {
-                counter++;
-                if(j < i){
-                    System.out.println(arr);
-                }
-            }
+        String spaces = "";
+        for(int i = 0; i < str.length(); i++){
+            System.out.println(str.toLowerCase().substring(0,i) + str.charAt(i) + str.toLowerCase().substring(i+1, str.length()-1));
+//            spaces += " ";
         }
         return null;
     }