private boolean isStraight(){
		int cnt=0;
		for (int i = 0; i < crds.size()-1; i++) {
			if(crds.get(i).getRankID()<crds.get(i+1).getRankID()){
				cnt++;
				if(cnt==4){
					System.out.println("straigth matched*********************************");
					return true;
				}
			}
		}
		return false;
	}