Java How To Program, Late Objects, 11th Edition

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 1   // Fig.  21.9: Stack.java
 2   // Stack uses a composed List object.
 3   package com.deitel.datastructures;
 4
 5   import java.util.NoSuchElementException;
 6
 7   public class Stack<E> {
 8      private List<E> stackList;
 9
10      // constructor
11      public Stack() {stackList = new List<E>("stack");} 
12
13      // add object to stack
14      public void push(E object) {stackList.insertAtFront(object);}
15
16      // remove object from stack
17      public E pop() throws NoSuchElementException {
18         return stackList.removeFromFront();
19      }
20
21      // determine if stack is empty
22      public boolean isEmpty() {return stackList.isEmpty();}
23
24      // output stack contents
25      public void print() {stackList.print();}
26   }

Stack<E> Methods

Class Stack<E> has four methods—push, pop, isEmpty and ...