Cell.java

/* This file is requried to create a single cell or node in the maze.
This class holds the row and column information for each cell.

Cell.java
*/

public class Cell {
    // Creates a constant row and column 
    public final int row, col;

    // Constructor for Cell class
    public Cell(int row, int col) {
        this.row = row;
        this.col = col;
    }

    // Determines wheter a 2 different cell obejects are equal
    // Equality happens when rows and columns are the same
    @Override
    public boolean equals(Object obj) {
        if (this == obj) return true;
        if (!(obj instanceof Cell)) return false;
        Cell other = (Cell) obj;
        return row == other.row && col == other.col;
    }

    // Creates a hash code based on cell row and column
    @Override
    public int hashCode() {
        return row * 31 + col;
    }

}