public final boolean contains(int row, int col) {return _firstRow <= row && _lastRow >= row&& _firstColumn <= col && _lastColumn >= col;}

public final boolean contains ( int row , int col ) { return _firstRow <= row && _lastRow >= row && _firstColumn <= col && _lastColumn >= col ; }
public bool Contains(int row, int col){return _firstRow <= row && _lastRow >= row&& _firstColumn <= col && _lastColumn >= col;}
