beaucoup

app/src/main/java/sudoku/constraint/ColumnConstraint.java

@@ -0,0 +1,16 @@
+package sudoku.constraint;
+
+import sudoku.Sudoku;
+
+public class ColumnConstraint implements IConstraint {
+
+	@Override
+	public boolean canBePlaced(final Sudoku s, int x, int y, int newSymbolIndex) {
+		for (int i = 0; i < s.getSize(); i++) {
+			if (s.getCase(x, newSymbolIndex).getSymboleIndex() == newSymbolIndex)
+				return false;
+		}
+		return true;
+	}
+
+}