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60 lines (42 loc) · 1.96 KB
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package localization;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.Month;
import java.time.format.DateTimeFormatter;
public class Demo1 {
public static void main(String[] args) {
double num = 12345.678;
NumberFormat f1 = new DecimalFormat("###,###,###.0");
System.out.println(f1.format(num));
NumberFormat f2 = new DecimalFormat("000,000.000000");
System.out.println(f2.format(num));
NumberFormat f3 = new DecimalFormat("$#,###,###.##");
System.out.println(f3.format(num));
LocalDate date = LocalDate.now();
LocalDateTime localDateTime = LocalDateTime.now();
LocalTime localTime = LocalTime.now();
System.out.println(date.getDayOfWeek());
System.out.println(date.getMonth());
System.out.println(date.getYear());
System.out.println(date.getDayOfYear());
System.out.println(date.format(DateTimeFormatter.ISO_LOCAL_DATE));
System.out.println(localTime.format(DateTimeFormatter.ISO_LOCAL_TIME));
System.out.println(localDateTime.format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
//custom
var dt = LocalDateTime.of(2025, Month.DECEMBER, 14,19,6,14);
var dtFm1 = DateTimeFormatter.ofPattern("dd.MM.yyyy. hh:mm:ss");
System.out.println(dt.format(dtFm1));
var dtFm2 = DateTimeFormatter.ofPattern("MMM-dd-yy HH:mm:ss");
System.out.println(dt.format(dtFm2));
var dtFm3 = DateTimeFormatter.ofPattern("MMMM-dd-yy hh:mm:ss a");
System.out.println(dt.format(dtFm3));
System.out.println(dtFm3.format(dt));
var f4 = DateTimeFormatter.ofPattern("'Date:' dd.MM.yy. '| Time:' hh:mm:ss");
System.out.println(f4.format(dt));
var f5 = DateTimeFormatter.ofPattern("MMM.dd.yyyy. 'at' HH'h'm'm'ss's'");
System.out.println(f5.format(dt));
}
}