How do I increment a java.sql.Timestamp by 14 days?

Question

I have an app that takes a Timestamp as a boundary for the start date and end date of a sql selection, I want to populate a hashmap with weeks this year since the first mon

Answer 1

private Long dayToMiliseconds(int days){
    Long result = Long.valueOf(days * 24 * 60 * 60 * 1000);
    return result;
}

public Timestamp addDays(int days, Timestamp t1) throws Exception{
    if(days < 0){
        throw new Exception("Day in wrong format.");
    }
    Long miliseconds = dayToMiliseconds(days);
    return new Timestamp(t1.getTime() + miliseconds);
}