merge

app/src/main/java/sudoku/structure/Block.java

@@ -0,0 +1,42 @@
+package sudoku.structure;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Block {
+
+	private final List<Cell> cells;
+
+	public Block(List<Cell> cells) {
+		this.cells = cells;
+	}
+
+	public Block() {
+		this.cells = new ArrayList<>();
+	}
+
+	public List<Cell> getCells() {
+		return cells;
+	}
+
+	void addCell(Cell newCell) {
+		this.cells.add(newCell);
+	}
+
+	public boolean containsSymbol(int symbolIndex) {
+		for (Cell cell : getCells()) {
+			if (cell.getSymbolIndex() == symbolIndex)
+				return true;
+		}
+		return false;
+	}
+
+	public boolean containsCell(Cell cell) {
+		for (Cell cellTmp : this.cells) {
+			if (cellTmp.equals(cell)) {
+				return true;
+			}
+		}
+		return false;
+	}
+}