ArrayStack Practice Quiz

Practice Problem

• Take out a piece of paper and put your name on the upper right corner.

• Write the following method for the ArrayStack class:

public interface Stack211<E> {
  boolean empty();
  E peek();
  E pop();
  E push(E item);
}

public class ArrayStack<E> implements Stack211<E> {
  private E[] data;
  private int top;
  ...
  public E push(E item) {
    // your code here.
  }
  ...
}

• Be sure to write JavaDoc comments for your code.

• Conduct a quick review of your code, before you are done.

• After the code, write an explanation the Big-O performance of the push method.

Time Remaining:

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Try to complete the problem in 15 minutes.

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