private boolean isTwoPair(){
		int rID=0;
		for (int i = 0; i < crds.size()-1; i++) {
			if(crds.get(i).getRankID()==crds.get(i+1).getRankID()){
				System.out.println("matched "+crds.get(i+1).getRankID());
				if(rID!=crds.get(i).getRankID()&& i>1){
					System.out.println("two pair matched*********************************");
					return true;				
				}
				rID=crds.get(i).getRankID();
				}
		
		}
		return false;
	}