A Programmer’s Guide to Java™ SCJP Certification: A Comprehensive Primer, Third Edition

Appendix E Solutions to Programming Exercises

1 Basics of Java Programming

1.1 The printStackElements() method of the PrintableCharStack class does not pop the elements.

//Filename: PrintableCharStack.javapublic class PrintableCharStack extends CharStack {                 // (1)  // Instance method  public void printStackElements() {                                // (2)    for (int i = 0; i <= topOfStack; i++)      System.out.print(stackArray[i]); // print each char on terminal    System.out.println();  }  // Constructor calls the constructor of the superclass explicitly.  PrintableCharStack(int capacity) { super(capacity); }             // (3)}//Filename: Client.javapublic class Client {  public static void main(String[] args) { ...