diff --git a/app/src/main/java/sudoku/Solver.java b/app/src/main/java/sudoku/Solver.java
new file mode 100644
index 0000000..bfc1d7c
--- /dev/null
+++ b/app/src/main/java/sudoku/Solver.java
@@ -0,0 +1,32 @@
+package sudoku;
+
+public class Solver implements SudokuSolver {
+    private int[][] board;
+
+    public Solver() {
+        board = new int[9][9];
+    }
+
+    public void setBoard(int[][] board) {
+        this.board = board;
+    }
+
+    public int[][] getBoard() {
+        return board;
+    }
+
+    public boolean solve() {
+    }
+
+    public Boolean isSolved() {
+    }
+
+    private boolean solve(int row, int col) {
+    }
+
+    public boolean legal(int row, int col, int nbr) {
+    }
+
+    public String toString() {
+    }
+}
\ No newline at end of file