import java.text.ParseException;

import java.text.SimpleDateFormat;

public class DateFormat {

public static void fun() {

SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日");

SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy-MM-dd");

String newDate;

String newDate1;

try {

newDate = sdf.format(new SimpleDateFormat("yyyyMMdd").parse("20170612"));

newDate1 = sdf1.format(new SimpleDateFormat("yyyyMMdd").parse("20170612"));

System.out.println(newDate);

System.out.println(newDate1);

} catch (ParseException e) {

e.printStackTrace();

}

}

public static void main(String args[]) {

fun();

}

}