package uk.ac.cam.cstibhotel.otcanalyser.gui; import uk.ac.cam.cstibhotel.otcanalyser.trade.Trade; import java.util.Comparator; public class ExecutionTimestampComparator implements Comparator<Trade>{ @Override public int compare(Trade t1, Trade t2) { return t1.getExecutionTimestamp().compareTo(t2.getExecutionTimestamp()); } }