/** 
 * Abstract class with common properties and behavior for Oz citizens
 * CSE142 HW5 sample solution.  HP  3/1/04
 */
public abstract class CastMember {
  // instance variables
  private int nSkip;         // number of skips this cast member has performed
  
  /** Construct a new CastMember */
  public CastMember() {
    nSkip = 0;
  }
  
  /** Return the CastMember's name */
  public abstract String getName();
  
  /** Return words from a song */
  public String sing() {
    return "Ding! Dong! The witch is dead!";
  }
  
  /** Return a string with n "skip"s */
  public String skip(int n) {
    if (n <= 0) {
      return "";
    } else {
      String skips = "skip";
      for (int k = 2; k <= n; k++) {
        skips = skips + " skip";
      }
      nSkip = nSkip + n;
      return skips;
    }
  }
  
  /** Return the number of skips */
  public int getSkips() {
    return nSkip;
  }
  
  /** Return this character's saying */
  public abstract String getSaying();
  
}