Ⅰ java如何獲取當前時間 年月日 時分秒
//得到long類型當前時間
longl=System.currentTimeMillis();
//new日期對
Datedate=newDate(l);
//轉換提日期輸出格式
SimpleDateFormatdateFormat=newSimpleDateFormat("yyyy-MM-
ddHH:mm:ss");System.out.println(dateFormat.format(date));
(1)java時分秒轉換擴展閱讀
package com.ob;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class DateTest {
public static void main(String[] args) throws ParseException {
Calendar now = Calendar.getInstance();
System.out.println("年: " + now.get(Calendar.YEAR));
System.out.println("月: " + (now.get(Calendar.MONTH) + 1) + "");
System.out.println("日: " + now.get(Calendar.DAY_OF_MONTH));
System.out.println("時: " + now.get(Calendar.HOUR_OF_DAY));
System.out.println("分: " + now.get(Calendar.MINUTE));
System.out.println("秒: " + now.get(Calendar.SECOND));
System.out.println("當前時間毫秒數:" + now.getTimeInMillis());
System.out.println(now.getTime());
Date d = new Date();
System.out.println(d);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String dateNowStr = sdf.format(d);
System.out.println("格式化後的日期:" + dateNowStr);
String str = "2012-1-13 17:26:33";
//要跟上面sdf定義的格式一樣
Date today = sdf.parse(str);
System.out.println("字元串轉成日期:" + today);
}
}
Ⅱ 在java中,怎麼將用戶輸入的日期字元(包括時分秒)轉換成Date類型啊,然後輸出它
自己做一個簡單的方法就行了,用scanner,舉個簡單的例子string info=s1+s2自己連接符號。java自帶的就不懂了。
Ⅲ Java 如何把輸入的時分秒轉換再輸出為秒數
import java.util.Scanner;
public class Convert{
public static void main(String[] args){
System.out.println("請輸入時分秒,格式為hh:mi:ss");
Scanner input=new Scanner(System.in);
String s=input.next();
int index1=s.indexOf(":");
int index2=s.indexOf(":",index1+1);
int hh=Integer.parseInt(s.substring(0,index1));
int mi=Integer.parseInt(s.substring(index1+1,index2));
int ss=Integer.parseInt(s.substring(index2+1));
System.out.println(hh*60*60+mi*60+ss);
}
}
Ⅳ 用java怎樣把一個以秒為單位的數轉換成時分秒,比如說3670s表示為:1時1分10秒 詳細的答案給全分!
我剛寫的你看看把
public class h
{
public static void main(String args[]){
System.out.print( cal(3670));
}
public static String cal(int second){
int h = 0;
int d = 0;
int s = 0;
int temp = second%3600;
if(second>3600){
h= second/3600;
if(temp!=0){
if(temp>60){
d = temp/60;
if(temp%60!=0){
s = temp%60;
}
}else{
s = temp;
}
}
}else{
d = second/60;
if(second%60!=0){
s = second%60;
}
}
return h+"時"+d+"分"+s+"秒";
}
}
Ⅳ JAVA時間轉換
String dt="Fri Apr 13 2012 09:20:51 GMT +0800 (China Standard Time)";
dt=dt.replaceAll(" GMT.+$", "");
System.out.println(dt);
SimpleDateFormat pSdf=new SimpleDateFormat("EEE MMM DD yyyy HH:mm:ss",Locale.ENGLISH);
SimpleDateFormat fSdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
System.out.println(fSdf.format(pSdf.parse(dt)));
Ⅵ java語言寫出:輸入一個秒數。轉換為小時:分:秒的格式輸出。
Java程序:
importjava.util.Scanner;
publicclasstest{
publicstaticvoidmain(String[]args){
Scannerscan=newScanner(System.in);
intnum;
inthour=0;
intminute=0;
intsecond=0;
System.out.print("請輸入秒數:");
num=scan.nextInt();
second=num%60;
num-=second;
if(num>0){
num/=60;
minute=num%60;
num-=minute;
if(num>0){
hour=num/60;
}
}
System.out.printf("%d:%d:%d ",hour,minute,second);
}
}
運行測試:
請輸入秒數:9876
2:44:36
Ⅶ JAVA將時分秒格式的時間轉化成秒數
public class TimeToSecond {
public static void main(String[] args) {
String time ="01:22:12";
String[] my =time.split(":");
int hour =Integer.parseInt(my[0]);
int min =Integer.parseInt(my[1]);
int sec =Integer.parseInt(my[2]);
int zong =hour*3600+min*60+sec;
System.out.println("共"+zong+"秒");
}
}
(7)java時分秒轉換擴展閱讀
java將毫秒值轉換為日期時間
public static void main(String[] args) {
long milliSecond = 1551798059000L;
Date date = new Date();
date.setTime(milliSecond);
System.out.println(new SimpleDateFormat().format(date));
}
Ⅷ JAVA 如何把秒 轉化為 天 小時 分鍾 秒
importjava.util.Scanner;
publicclassFoo{
publicstaticvoidmain(String[]args){
System.out.println("請輸入秒數");
Scannersc=newScanner(System.in);
intseconds=sc.nextInt();
intday=0,hours=0,minutes=0;
day=seconds/(60*60*24);
seconds-=day*60*60*24;
hours=seconds/(60*60);
seconds-=hours*60*60;
minutes=seconds/60;
seconds-=minutes*60;
System.out.println("總共"+day+"天"+hours+"小時"+minutes+"分"+seconds+"秒");
}
}