Throwable coin

class IllegalCoinSideException extends RuntimeException{

    private static final long serialVersionUID = -2225459441999368571L;
    IllegalCoinSideException(){};

}

public class Coin extends Throwable{

    private static final long serialVersionUID = 3630805023927806932L;
    boolean heads = false;

    Coin(){
        double chans = Math.random() * 100.0;
        if(chans > 50){
            heads = true;
        }else if(chans < 50){
            heads = false;
        }else{
            throw new IllegalCoinSideException();
        }
    }

    @Override
    public String toString(){
        return heads ? "Heads" : "Tails";
    }


    public static void main(String[] args){
        try{
            throw new Coin();
        }catch(Coin c){
            System.out.println(c);
        }
    }
}