用 Java 显示包含毫秒的全部日期时间
导入以下软件包以在 Java 中使用 Calendar 类,
import java.util.Calendar;
要显示全部时间日期,首先创建一个日历对象。
Calendar cal = Calendar.getInstance();
使用下面显示的字段显示全部日期时间 −
// DATE Calendar.YEAR Calendar.MONTH Calendar.DATE // TIME Calendar.HOUR_OF_DAY Calendar.HOUR Calendar.MINUTE Calendar.SECOND Calendar.MILLISECOND
以下是完整示例。
示例
import java.util.Calendar; public class Demo { public static void main(String[] args) { Calendar cal = Calendar.getInstance(); // current date and time System.out.println(cal.getTime().toString()); // date information System.out.println("
Date Information.........."); System.out.println("Year = " + cal.get(Calendar.YEAR)); System.out.println("Month = " + (cal.get(Calendar.MONTH) + 1)); System.out.println("Date = " + cal.get(Calendar.DATE));; // time information System.out.println("
Time Information.........."); System.out.println("Hour (24 hour format) : " + cal.get(Calendar.HOUR_OF_DAY)); System.out.println("Hour (12 hour format) : " + cal.get(Calendar.HOUR)); System.out.println("Minute : " + cal.get(Calendar.MINUTE)); System.out.println("Second : " + cal.get(Calendar.SECOND)); System.out.println("Millisecond : " + cal.get(Calendar.MILLISECOND)); } }
输出
Mon Nov 19 14:03:34 UTC 2018 Date Information.......... Year = 2018 Month = 11 Date = 19 Time Information.......... Hour (24 hour format) : 14 Hour (12 hour format) : 2 Minute : 3 Second : 34 Millisecond : 959
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