Method main

reuse/Detergent.java:14–18

(String[] args)

  public void scrub() { append(" scrub()"); }
  @Override public String toString() { return s; }
  public static void main(String[] args) {
    Cleanser x = new Cleanser();
    x.dilute(); x.apply(); x.scrub();
    System.out.println(x);
  }
}

public class Detergent extends Cleanser {