使用BlueJ的环境4类IX＆X这个应用程序功能的Java（ICSE）
This application features learning for students who are opting to get excellence in programming of Java using the BlueJ environment for Classes IX & X in particular.
The programming assignments and logic are well defined and drafted by Dr. Dheeraj Mehrotra, author, computer science and the developer of this app in particular. Happy learning folks. God Bless.
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Dr. Dheeraj Mehrotra
Author/ National Teacher Awardee
www.dheerajmehrotra.com
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http://computerscienceexpertise.tripod.com
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No legal formalities attached. Free sharing for all.