rainbow

app/src/main/java/sudoku/Main.java

@@ -3,17 +3,9 @@
  */
 package sudoku;
 
-import sudoku.constraint.BlockConstraint;
-import sudoku.constraint.ColumnConstraint;
-import sudoku.constraint.IConstraint;
-import sudoku.constraint.LineConstraint;
-import sudoku.io.SudokuPrinter;
-import sudoku.io.SudokuSerializer;
-import sudoku.solver.Solver;
-
-import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.List;
+
+import sudoku.io.SudokuPrinter;
 
 public class Main {
     public String getGreeting() {

app/src/main/java/sudoku/Sudoku.java

@@ -54,16 +54,15 @@ public class Sudoku {
 			return false;
 		}
 		for (int i = 0; i < values.size(); i++) {
-			int x = i%this.blocks.size();
-			int y = (i-x)/this.blocks.size();
+			int x = i % this.blocks.size();
+			int y = (i - x) / this.blocks.size();
 			int value = values.get(i);
 			if (!this.setCellSymbol(x, y, value)) {
 				return false;
 			}
 		}
 		return true;
-		}
-
+	}
 
 	public Cell getCell(int x, int y) {
 		int index = y * getSize() + x;
@@ -83,6 +82,12 @@ public class Sudoku {
 		return this.blocks.size();
 	}
 
+	public boolean isValid(List<IConstraint> constraints) {
+		// not implemented
+		// for eachcase check contraintes
+		return false;
+	}
+
 	public List<Cell> getCells() {
 		return this.cells;
 	}
@@ -149,6 +154,7 @@ public class Sudoku {
 		}
 	}
 
+	@Override
 	public String toString() {
 		StringBuilder sb = new StringBuilder();
 		sb.append("Sudoku {");