Problem z dziedziczeniem klasy Java

public class Figure {

    private String Name;
    private String Color;
    private String Position;
    private String Sign;

    public Figure(String name,String color,String position,String sign){
        this.Name = name;
        this.Color = color;
        this.Position = position;
        this.Sign = sign;
    }

    String getName(){return Name;}
    String getColor(){return Color;}
    String getPosition(){return Position;}
    String getSign(){return Sign;}

    public void writeDate (){
        System.out.print("Name: "+this.getName()+" Color: "+this.getColor());
        System.out.println(" Position: "+this.getPosition()+" Sign: "+this.getSign());
    }

}

public class Position {

    int x;
    int y;
    String field;


    public void setField(String field) {
        this.x = Integer.valueOf(field.charAt(0) - 64);
        this.y = Integer.parseInt(field.substring(1));
        this.field = field;
    }

    public String getField() {
        System.out.println(field);
        return field;
    }
}

public class King extends Figure,Position { // tutaj chciałbym użyć "wielodziedziczenia"

    public King(String name, String color, String position, String sign) {
        super(name, color, position, sign);
    }
}

public class Main {

    public static void main(String[] args) {

        King king = new King("King","White","D1","#");
        king.writeDate();

        Position test = new Position();

        test.setField("C1");
        test.getField();
    }
}

public class Klasa1 implements Interface1, Interface2 {}