java simpledateformat JAVA SIMPLEDATEFORMAT 자바 심플데이타 포맷

1. Date to String
======================================================

Date now = new Date();
String strnow ="";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");


strnow = sdf.format(now);
Log.d("xxx"," strnow "+strnow);


2. String to Date
======================================================

try {
 
    Date ddate = new Date();
    String strdate= "2017-09-09 11:11:11";
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 
    ddate = sdf.parse(strdate);
    Log.d("xxx","ddate "+ddate .toString());

} catch (ParseException e) {
    e.printStackTrace();
}


3. SimpleDateFormat
======================================================


SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss a");

























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