Feel free to ask your ta questions if you are stuck

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efficient implementation after first reaching an inefficient way that works. Feel free to ask your TA questions if you are stuck at any step. The queue interface: import java.util.NoSuchElementException; public interface MyQueueI<K> / ** * Returns the element at the front of the queue * without removing it. * * @return element at the front of this queue * / public K peek() throws NoSuchElementException; 1
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/ ** * Adds the specified element e at the back of this queue. * @param k * / public void enqueue(final K k); / ** * Deletes and returns the element at the front of this queue. * @return element at the front of this queue * / public K dequeue() throws NoSuchElementException; / ** * Tests if this queue is empty. * @return True on empty false otherwise. * / public boolean isEmpty(); JUnit Write JUnit tests to add to MyQueueTest to test your implementation of the interface MyQueueI . Your JUnit must individually test all four methods described in the interface. Remember that each test is inde- pendent (tests are not cumulative). You can take advantage of the setUp() and tearDown() methods which are run before and after every test (You may notice, they are annotated @Before and @After . In addition, every test method is annotated @Test so that JUnit knows which methods are tests to run. Challenge Question Reverse a stack without using extra stack (i.e. perform in place reversal). (Hint: Use recursion!) 2
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