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- Unix Timestamp 시간 변환 import java.time.Instant; import java.time.ZoneId; import java.time.format.DateTimeFormatter; public class ZoneId.of("Asia/Seoul")) .format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm")); System.out.println(date
- 18.10.31 JAVA //Date 객체의 년/월/일 만 파일에 출력하고 파일입력 받아 화면 출력 import java.io.*; import java.util.Date; public class Test throws IOException { DataOutputStream ds = new DataOutputStream ( new FileOutputStream("data.bin")); Date
- 날짜 계산 참고하세요. import java.text.SimpleDateFormat; import java.util.Date; import java.util.Calendar; public class formatter = new SimpleDateFormat ("yyyyMMddHHmm"); Date date = formatter.parse(dateString); Calendar
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