Exercises

Bruce Eckel's Thinking in Java Contents | Prev | Next

  1. Create an inheritance hierarchy of Rodent: Mouse, Gerbil, Hamster, etc. In the base class, provide methods that are common to all Rodents, and override these in the derived classes to perform different behaviors depending on the specific type of Rodent. Create an array of Rodent, fill it with different specific types of Rodents, and call your base-class methods to see what happens.
  2. Change Exercise 1 so that Rodent is an interface.
  3. Repair the problem in WindError.java.
  4. In GreenhouseControls.java, add Event inner classes that turn fans on and off.
7



Comments

  • There are no comments yet. Be the first to comment!

Leave a Comment
  • Your email address will not be published. All fields are required.

Top White Papers and Webcasts

  • When individual departments procure cloud service for their own use, they usually don't consider the hazardous organization-wide implications. Read this paper to learn best practices for setting up an internal, IT-based cloud brokerage function that service the entire organization. Find out how this approach enables you to retain top-down visibility and control of network security and manage the impact of cloud traffic on your WAN.

  • Complex hybrid environments can make it difficult to track interdependencies, increasing the risk of disrupting critical business services. In this white paper by EMA, you'll learn how application discovery and dependency mapping can help you: Meet granular targets for availability, cost, and time-to-revenue for cloud services. Accelerate mean time to repair (MTTR) while communicating better with stakeholders. Manage even the most complex hybrid environments more efficiently and effectively Understand the …

Most Popular Programming Stories

More for Developers

RSS Feeds

Thanks for your registration, follow us on our social networks to keep up-to-date