Chess960V2.java

/*
Chess960V2.java     MrG     2012.0301
purpose:    randomly find one 960 Fischer Random Chess Board refactoring version 1
required file:  chess960V2.java             main class
translator: javac chess960V2.java
interpreter:    java chess960V2
*/

//imported classes
import java.util.Random;

//main class
public class Chess960V2
{
    public static final int BOARD_SIZE = 8;
    public static final int EVE = 0;
    public static final int ODD = 1;
    public static void main(String[] args)
    {
        String[] whitePieces = new String[BOARD_SIZE];
        setBishop(whitePieces,EVE);
        setBishop(whitePieces,ODD);
        setRandom(whitePieces,"Q");
        setRandom(whitePieces,"N");
        setRandom(whitePieces,"N");
        setFirstOpen(whitePieces,"R");
        setFirstOpen(whitePieces,"K");
        setFirstOpen(whitePieces,"R");
        System.out.println(toString(whitePieces));
    }

    public static void setFirstOpen(String[] wP, String piece)
    {
        int pos = 0;
        while(wP[pos]!=null)
        {
            pos++;
        }
        wP[pos]=piece;
    }

    public static void setRandom(String[] wP, String piece)
    {
        int pos;
        Random die = new Random();
        do
        {
            pos=die.nextInt(BOARD_SIZE);
        }
        while(wP[pos]!=null);
        wP[pos]=piece;
    }

    public static void setBishop(String[] wP, int offset)
    {
        Random die = new Random();
        wP[offset+die.nextInt(4)*2]="B";
    }

    public static String toString(String[] wP)
    {
        String temp = "";
        for(int k=0; k<wP.length; k++)
        {
            temp += wP[k];
        }
        return temp;
    }
}