SimpleDateFormat(“HH:mm:ss Z”) 在 Java 中
Z 指“零小时偏移”,在 ISO 8601 时间表示法中也称为“祖鲁时间”(UTC)。然而,ACP 121 标准定义了军用时区列表,并从格林尼治标准时间 (GMT) 得出“祖鲁时间”。
让我们来看看 SimpleDateFormat(“HH:mm:ss Z”) 的用法 −
Format f = new SimpleDateFormat("HH.mm.ss Z");
String strResult = f.format(new Date());
System.out.println("Time = "+strResult);以下是完整示例,显示带偏移量 (HH:mm:ss Z) 的时间 −
示例
import java.text.Format;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Calendar;
public class Demo {
public static void main(String[] args) throws Exception {
// displaying current date and time
Calendar cal = Calendar.getInstance();
SimpleDateFormat simpleformat = new SimpleDateFormat("dd/MMMM/yyyy hh:mm:s");
System.out.println("Today's date = "+simpleformat.format(cal.getTime()));
// current time
Format f = new SimpleDateFormat("HH.mm.ss Z");
String strResult = f.format(new Date());
System.out.println("Time = "+strResult);
// displaying hour
f = new SimpleDateFormat("H");
String strHour = f.format(new Date());
System.out.println("Current Hour = "+strHour);
// displaying minutes
f = new SimpleDateFormat("mm");
String strMinute = f.format(new Date());
System.out.println("Current Minutes = "+strMinute);
// displaying seconds
f = new SimpleDateFormat("ss");
String strSeconds = f.format(new Date());
System.out.println("Current Seconds = "+strSeconds);
}
}输出
Today's date = 26/November/2018 08:52:33 Time = 08.52.33 +0000 Current Hour = 8 Current Minutes = 52 Current Seconds = 33
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