This week's giveaway is in the Android forum.
We're giving away four copies of Android Security Essentials Live Lessons and have Godfrey Nolan on-line!
See this thread for details.
The moose likes Programmer Certification (SCJP/OCPJP) and the fly likes Looking for a strategy for solving upcasting/downcasting questions Big Moose Saloon
  Search | Java FAQ | Recent Topics | Flagged Topics | Hot Topics | Zero Replies
Register / Login


Win a copy of Android Security Essentials Live Lessons this week in the Android forum!
JavaRanch » Java Forums » Certification » Programmer Certification (SCJP/OCPJP)
Bookmark "Looking for a strategy for solving upcasting/downcasting questions" Watch "Looking for a strategy for solving upcasting/downcasting questions" New topic
Author

Looking for a strategy for solving upcasting/downcasting questions

O. Ziggy
Ranch Hand

Joined: Oct 02, 2005
Posts: 430

Does anyone have any workable strategy for solving casting questions? I understand when upcasting and downcasting is allowed but when the questions tend to have multiple objects involved i tend to get confused pretty quickly. For example, what is the best approach to a question like this:



Is there any approach to use to solve a question like above? For example can the references be drawn somehow so that i can get a visual representation and can that help?

Thanks
Abdullah Mamun
Ranch Hand

Joined: Mar 19, 2007
Posts: 99

I usually would like to execute each line and put the updated result beside the same line.
Below is an example in comment.
Not sure if it will help you.



MooN
 
I agree. Here's the link: http://aspose.com/file-tools
 
subject: Looking for a strategy for solving upcasting/downcasting questions
 
Similar Threads
ArrayStoreException
Doubt
Assignment
downcasting...
Not happy with the explanation given..