seme.java

纸牌游戏（大学作业）

class Seme implements Comparable {
    public static final int CUORI=0;
    public static final int QUADRI=1;
    public static final int FIORI=2;
    public static final int PICCHE=3;
    
    private int s;
    
    public Seme(int s) throws InvalidCardException {
        this.set(s);
    }
    
    public void set(int s) throws InvalidCardException {
        if((s<CUORI)||(s>PICCHE))
            throw new InvalidCardException();
        
        this.s = s;
    }
    
    public int get() {
        return this.s;
    }
    
    public String toString() {
        String ret="";
        
        switch(s) {
            case CUORI:		ret = "cuori"; break;
            case QUADRI:	ret = "quadri"; break;
            case FIORI:		ret = "fiori"; break;
            case PICCHE:	ret = "picche"; break;
        }
        
        return ret;
    }
    
    public int compareTo(Object o) {
        Seme sem = (Seme)o;
        return this.s - sem.get();
    }
}