Added the fifth microlab

README.md

@@ -13,4 +13,5 @@ Implement Table<K,V> so that it manages an ArrayList of Entry<K,V>.  You must im
         * Remember, a key point to exactly one value
     * `remove` which takes a key and removes it from the ArrayList if it's in there.  It's a void method; no return type.
 4. TableNested -- Take the previous microlab, and make Entry a nested class.  Think about if it'll need to be generic
-or not.
+or not.
+5. Swap -- Get the test to pass.  Look at the specific values being passed in to help you figure it out.

src/main/java/Swap/Swap.java

@@ -0,0 +1,13 @@
+package Swap;
+
+/**
+ * Keep this.  Just make it so the tests pass.
+ */
+public class Swap {
+    public static <T> T[] swap(int i, int j, T... values) {
+        T temp = values[i];
+        values[i] = values[j];
+        values[j] = temp;
+        return values;
+    }
+}

src/test/java/Swap/SwapTest.java

@@ -0,0 +1,16 @@
+package Swap;
+//
+//import org.junit.Assert;
+//import org.junit.Test;
+//
+///**
+// * Get the tests passing.
+// */
+//public class SwapTest {
+//    @Test
+//    public void testSwap() throws Exception {
+//        Double[] result = Swap.swap(0,1, 1.5, 2,3);
+//        Double[] expected = {2.0, 1.5, 3.0};
+//        Assert.assertArrayEquals(expected, result);
+//    }
+//}