public class Book {
  public int getNumChapters() {
    return this.numChapters; 
  }
  public Book() { 
    this.chapters = new String[20]; 
    this.numChapters = 0; 
  }
  public String getTitle() { 
    return this.title; 
  }
  protected String title;

// Needs significant formatting help!
public String getAuthor() { return
this.author; } protected String author; public String
toString() { String
stuff = "\"" + 
this.title + "\" by " 
+ this.author + "\n";
  for (
int i = 0;
i < numChapters; ++i) { if (chapters[i] != null) {
stuff = stuff + "  " + (i+1) + ": " + chapters[i] + "\n"; 
                          }
}
return stuff; } int numChapters;

  public Book(int numChapters) {
    this.chapters = new String[numChapters]; 
    this.numChapters = 0; 
  }
  public Book(String author, String title) {
    this.author = author; 
    this.title = title; 
    this.chapters = new String[20]; 
    this.numChapters = 0; 
  }

  protected String[] chapters;
  
  public void addChapter(String chapterName)
    throws Exception
  {
    if (numChapters >= chapters.length) { 
      throw new Exception();
    }
    chapters[numChapters] = chapterName; 
    numChapters = numChapters + 1;
  } 

// Needs more help
public String
  getChapter(int chapterNum) 
throws Exception { chapterNum=chapterNum - 
1; if (chapterNum >= numChapters) 
{ throw new Exception(); } if
(chapterNum < 0) { throw new Exception(); }
  if
(chapters[chapterNum] == null)            {
  throw new Exception();                  }
  return chapters[chapterNum]; } }