Teaching in the current era with the aid of modern tools is an art. Mr Sang Shin of Sun Microsystems has done a great job using presentation slides. He has designed courses for Java Technology and has named it for people who have passion for Java. Courses are elaborative and designed to suit part-time studies. (more…)
I come across queries or participate in debates relating to operator ‘==’ and ‘equals’ method in JAVA frequently. Following is a concise explanation of its definition and usage in Java.
The equality Operator ‘==’
It can be used to compare
1. two operands of numeric type,
2. two operands of type boolean,
3. two operands that are each of either reference type or the null type. (more…)
Sudoku is a logic-based placement puzzle or also we can designate it as an classical assignment problem. The object is to fill the grid so that every column, every row and every 3×3 box contains the digits 1 to 9. The puzzle setter provides a partially completed grid and the unfilled cells has to be filled.
For more information on Sudoku, visit the website: http://en.wikipedia.org/wiki/Sudoku
Following is a java program (source code) to solve the Sudoku puzzle. I need your comments to improve the efficiency of the algorithm. Source code is free for use, any body can dowload and use it for any purpose free of cost and no licence issues. Test it yourself for the correctness of the program.
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This is to introduce you about the FTP plugin fireFTP for the free web browser Firefox. It is a free cross-platform FTP client. It provides easy access to FTP servers. Advantage is