[Java] 날짜 비교

///// Java (자바)

///// Comparing Dates (날짜 비교)

boolean isValidDate(String startDt, String endDt){

    // startDt <= someDt <= endDt   
    DateFormat dtf = new SimpleDateFormat("yyyy-MM-dd")
    Date someDt = new Date()    // Now
    Date fromDt = dtf.parse(startDt)
    Date toDt = dtf.parse(endDt)
    return (someDt.after(fromDt) && someDt.before(toDt+1))

}

isValidDate('1990-01-01', '9999-01-01')

///// 참조 (Reference)

How to compare dates in Java?:

http://stackoverflow.com/questions/2592501/how-to-compare-dates-in-java

Parse String to Date with Different Format in Java:

http://stackoverflow.com/questions/882420/parse-string-to-date-with-different-format-in-java