package MyCollection1;

import java.util.Comparator;

public class MyPostcodeRewardspointCmp implements Comparator<Customer> {
	@Override
	public int compare(Customer o1, Customer o2) {
		if (o1.getPostcode() != o2.getPostcode()) {
			return o1.getPostcode() - o2.getPostcode();
		}
		// now postcodes are same ..
		return o1.getRewardsPoints() - o2.getRewardsPoints();
	}
}