Is it possible to access variable of subclass using object of superclass in polymorphism
- by fari
how can i access state varibale of class keyboard with object of class kalaplayer
/**
* An abstract class representing a player in Kala. Extend this class
* to make your own players (e.g. human players entering moves at the keyboard
* or computer players with programmed strategies for making moves).
*/
public abstract class KalaPlayer
{
/**
* Method by which a player selects a move.
* @param gs The current game state
* @return A side pit
number in the range 1-6
* @throws NoMoveAvailableException if all side pits for the player are empty
* (i.e. the game is over)
*/
public abstract int chooseMove(KalaGameState gs) throws NoMoveAvailableException;
}
public class KeyBoardPlayer extends KalaPlayer {
/**
* Method by which a player selects a move.
* @param gs The current game state
* @return A side pit number in the range 1-6
* @throws NoMoveAvailableException if all side pits for the player are empty
* (i.e. the game is over)
*/
public KalaGameState state;
public KeyBoardPlayer()
{
System.out.println("Enter the number of stones to play with: ");
try
{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int key = Integer.parseInt(br.readLine());
state=new KalaGameState(key);
//key=player1.state.turn;
}
catch(IOException e)
{
System.out.println(e);
}
}
public int chooseMove(KalaGameState gs) throws NoMoveAvailableException{
return 0;
}
}
import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class KalaGame {
KalaPlayer player1,player2;
public KalaGame(KeyBoardPlayer Player1,KeyBoardPlayer Player2)
{ //super(0);
player1=new KeyBoardPlayer();
player2 = new KeyBoardPlayer();
//player1=Player1;
//player2=Player2;
//player1.state ****how can i access the stae variable from Keyboard CLass using object from KalaPlayer
key=player1.state.turn;
}
public void play()
{
System.out.println("Enter the number of stones to play with: ");
try
{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int key = Integer.parseInt(br.readLine());
System.out.println(key);
KalaGameState state=new KalaGameState(key);
printGame();
}
catch(IOException e)
{
System.out.println(e);
}
}
