בתוכנית יש לי שגיאת קוד הבא
Cannot make a static reference to the non-static field v.board.a
במחלקה :
public class pawn extends pice{
בשורה:
if (v.board.a[x][y].empty==0) return false;

הקוד המלא הוא:

קוד:

/*vitaly menchikovsky
 * this program is 
 *  
 * 
 * 
 * 
 * 
 * 
 */

import javax.swing.JOptionPane;

public class v {
	int picename;
	 boolean  isempty(){return true;}//need a body of the function

	
public  class board extends pice {
	pice a[][]=new pice[8][8];//the board 8*8
	String player,player2;
  
   boolean get(){return true;};//need a body of the function
	board(){
		int i,j;
		for(i=0;i<8;i++)
			for(j=0;j<8;j++){
				//0 white ,1 black
				this.a[i][j].i=i;
				this.a[i][j].j=j;
				if ((i%2==0) && (j%2==0)) this.a[i][j].color=1;
				if ((i%2==0) && (j%2==1)) this.a[i][j].color=0;
				if ((i%2==1) && (j%2==0))  this.a[i][j].color=0;
				if ((i%2==1) && (j%2==1)) this.a[i][j].color=1;
				if ((i==0) | (i==1) | (i==6) | (i==7)) this.a[i][j].empty=1; 
				this.a[i][j].empty=0;		
		}
		}
	}
	


public class pice{
	 int color;	//color of pice
	 int  empty;
	 int i,j;
	
  /*void cheikpice(String color,String name){
	if ((color.equals("black") && (color.equals("white"))== false))
			JOptionPane.showMessageDialog(null,"error color, only white or black ");
	
	
	if (color.equals("black")) this.isblack=1;
	if (color.equals("white"))  this.isblack=0;
	 
switch(name){
case 'pawn':

break;

case 'knight':
	
	
break;
case 'rook':
	
	
	break;
	
case 'queen':
	
	
	break;
case 'king':
	
	
	break;
case 'null':
	
	
	break;
	
	default:JOptionPane.showMessageDialog(null,"error");
		
	
}
	

	boolean move( ){return true;};//need a body of the function
	boolean chekColor(){return true;};
	*/
}
public  class pawn extends pice{
	boolean move(int x,int y){
		if ((x<0) | (x>7)) return false;
		if (v.board.a[x][y].empty==0) return false;
		
		}
	
}
public class knight extends pice {
	boolean move(){return true;};
	
}
public class bichop extends pice {
	boolean move(){return true;};
	
}
public class rook extends pice {
	boolean move(){return true;};
	
}
public class queen extends pice {
	boolean move(){return true;};
	
}
public class king extends pice {
	boolean move(){return true;};
	
}

	// TODO Auto-generated constructor stub

 
	

	
	



 

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		

		JOptionPane.showMessageDialog(null,"vitaly menchikovsky 312044662");
	

	}}

לגלריה