Get year, date, day, time from Calendar

'java.util.Calendar' class provides 'get' method, it returns the value of give calendar field (field can be year, month, day, hour, minute etc.,).

Example

Calendar.getInstance().get(Calendar.YEAR) : Return current year

Calendar.getInstance().get(Calendar.HOUR) : Return current hour

Find the below working example.

Test.java

package com.sample.app;

import static java.util.Calendar.DATE;
import static java.util.Calendar.HOUR;
import static java.util.Calendar.MILLISECOND;
import static java.util.Calendar.MINUTE;
import static java.util.Calendar.MONTH;
import static java.util.Calendar.SECOND;
import static java.util.Calendar.YEAR;

import java.text.DateFormatSymbols;
import java.util.Calendar;

public class Test {

 private static String getMonthFromInt(int num) {

  if (num < 0 || num > 11) {
   throw new IllegalArgumentException("Months should be in range of 0 to 11");
  }
  DateFormatSymbols dfs = new DateFormatSymbols();
  String[] months = dfs.getMonths();
  return months[num];
 }

 private static String getCurrentDate() {
  StringBuilder builder = new StringBuilder();
  Calendar cal = Calendar.getInstance();

  builder.append(cal.get(YEAR)).append("-").append(getMonthFromInt(cal.get(MONTH))).append("-")
    .append(cal.get(DATE)).append(" ").append(cal.get(HOUR)).append(":").append(cal.get(MINUTE)).append(":")
    .append(cal.get(SECOND)).append(":").append(cal.get(MILLISECOND));

  return builder.toString();
 }

 public static void main(String args[]) {

  System.out.println(getCurrentDate());
 }
}

Output

2018-July-19 6:49:17:383

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