arrays done

src/main/java/rocks/zipcode/quiz5/arrays/ArrayUtils.java

 package rocks.zipcode.quiz5.arrays;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
 /**
  * @author leon on 01/01/2019.
  */
 public class ArrayUtils {
     public static String getMiddleElement(String[] values) {
-        return null;
+        return values[values.length / 2];
     }
 
     public static String[] removeMiddleElement(String[] values) {
-        return null;
+        List<String> list = new ArrayList<>(Arrays.asList(values));
+        list.remove(getMiddleElement(values));
+
+        return list.toArray(new String[0]);
     }
 
     public static String getLastElement(String[] values) {
-        return null;
+        return values[values.length - 1];
     }
 
     public static String[] removeLastElement(String[] values) {
-        return null;
+        return Arrays.copyOfRange(values, 0, values.length - 1);
     }
 }