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Test-Driven Java Development - Second Edition by Viktor Farcic, Alex Garcia

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Connect 4

Connect 4 is a popular, very easy-to-play board game. The rules are limited and simple.

Connect 4 is a two-player connection game in which the players first choose a color and then take turns dropping colored discs from the top into a seven column, six row, vertically suspended grid. The pieces fall straight down, occupying the next available space within the column. The objective of the game is to connect four of your own discs of the same color next to one another vertically, horizontally, or diagonally, before your opponent connects four of theirs. For further information on the game, visit Wikipedia (http://en.wikipedia.org/wiki/Connect_Four).

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