在Java中使用SimpleDateFormat（“ a”）显示AM / PM时间标记
您可以使用SimpleDateFormat（“a”）在Java中轻松显示AM/PM时间标记。
首先，要使用Java中的SimpleDateFormat类，请导入以下包。
import java.text.SimpleDateFormat;
现在，使用SimpleDateFormat（“a”）设置格式以显示AM/PM标记-
Format f = new SimpleDateFormat(”a”);
现在，将标记放入字符串中-
String strMarker = f.format(new Date());
以下是一个例子-
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 {
//显示当前日期和时间
Calendar cal = Calendar.getInstance();
SimpleDateFormat simpleformat = new SimpleDateFormat("dd/MMMM/yyyy hh:mm:s");
System.out.println("Today's date = "+simpleformat.format(cal.getTime()));
//显示小时
Format f = new SimpleDateFormat("H");
String strHour = f.format(new Date());
System.out.println("Current Hour = "+strHour);
//显示分钟
f = new SimpleDateFormat("mm");
String strMinute = f.format(new Date());
System.out.println("Current Minutes = "+strMinute);
//以两位数显示秒
f = new SimpleDateFormat("ss");
String strSeconds = f.format(new Date());
System.out.println("Current Seconds = "+strSeconds);
//显示AM/PM-
f = new SimpleDateFormat("a");
String strMarker = f.format(new Date());
System.out.println("Current AM/PM Marker = "+strMarker);
}
}输出结果
Today's date = 26/November/2018 08:08:52 Current Hour = 8 Current Minutes = 08 Current Seconds = 52 Current AM/PM Marker = AM