What Future Java Might Look Like

During the second week of November was Devoxx Belgium, Europe’s biggest Java conference, and as every year the community’s who’s-who showed up. One of them was Brian Goetz, Java Language …

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Check If Valid Sudoku Blocks in Java

The challenge of solving valid Sudoku blocks Determine if a 9×9 Sudoku board is valid. Only the filled cells need to be validated according to the following rules: Each row must contain the digits 1-9 without repetition. Each column must contain the digit... (more…)

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