Java 中的 SimpleDateFormat(“hh:mm:ss a”)


以下格式顯示時間“−”

hh:mm:ss

以下格式顯示帶 AM/PM 標記的時間“−”

hh:mm:ss a

這裡,我們使用 SimpleDateFormat 類顯示日期和時間。讓我們將它設定成我們想要的格式,即時間和 AM/PM 標記“−”

Format f = new SimpleDateFormat("hh:mm:ss a");
String strResult = f.format(new Date());
System.out.println("Time = "+strResult);

下面是一個示例“−”

示例

 即時演示

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 zzzz");
      System.out.println("Today's date = "+simpleformat.format(cal.getTime()));
      // current time
      Format f = new SimpleDateFormat("hh:mm:ss a");
      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);
   }
}

輸出

Today's date = 26/November/2018 08:27:34 Coordinated Universal Time
Time = 08:27:34 AM
Current Hour = 8
Current Minutes = 27
Current Seconds = 34

更新於: 30-Jul-2019

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