_3274.java

packagecom.fishercoder.solutions.fourththousand;

importjava.util.HashSet;
importjava.util.Set;

publicclass_3274 {
publicstaticclassSolution1 {
publicbooleancheckTwoChessboards(Stringcoordinate1, Stringcoordinate2) {
returnisBlack(coordinate2) == isBlack(coordinate1);
 }

privatebooleanisBlack(Stringcoordinate) {
Set<Character> blackColsWithOddRows = newHashSet<>();
blackColsWithOddRows.add('a');
blackColsWithOddRows.add('c');
blackColsWithOddRows.add('e');
blackColsWithOddRows.add('g');
if (blackColsWithOddRows.contains(coordinate.charAt(0))) {
returnCharacter.getNumericValue(coordinate.charAt(1)) % 2 == 1;
 } else {
returnCharacter.getNumericValue(coordinate.charAt(1)) % 2 == 0;
 }
 }
 }
}