Basic HTML version of Foils prepared 13 July 98

Foil 25 Modulo Arithmetic

From Java Academy II:Advanced Java NPAC/ECS Java Academy -- February to April 98. by Tom Scavo
1 On a checkerboard, every other square is filled
2 To accomplish this, we use the modulus operator (%) on the sum of the loop variables: if ( ( i + j ) % 2 == 0 ) { square.draw( g ); } else { square.fill( g ); }
3 Basically, "x % 2 == 0" checks if x is even
in Table To:

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