wholepricecomparator.java

Java program for making trip reservations.

import java.util.Comparator;

public class WholePriceComparator implements Comparator{

public int compare(Object messageWrapper1, Object messageWrapper2){

	try
	{
		Double messageSubject1 =((Trip)messageWrapper1).getWholePrice();
		Double messageSubject2 =((Trip)messageWrapper2).getWholePrice();
		
		if (messageSubject1 == null){
			return -1;
		}
		else
		return messageSubject1.compareTo(messageSubject2);
	}
	catch (Exception e){
	return 0;
	}
 }
}