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這篇文章主要介紹了Java獲取時間打印到控制臺代碼實例,文中通過示例代碼介紹的非常詳細，對大家的學習或者工作具有一定的參考學習價值,需要的朋友可以參考下
面試時有一道面試題：要求獲取當時時間，并像電子手表那樣打印到控制臺。
import java.text.SimpleDateFormat;
import java.time.LocalTime;
import java.util.Date;
/**
* 打印時間到控制臺
*
*/
public class ConsoleTime {
public static void main(String[] args) {
// LocalTime now = LocalTime.now();
// System.out.println(now);
// System.out.println(now.getHour() + " " + now.getMinute() + " " + now.getSecond());
Date date = new Date();
//yyyy-MM-dd
SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss");//設置日期格式
String str = format.format(date);
System.out.println("現在時間：" + str);
String[] time = getTime(str.split(":"));
for (int i=0; i<time.length; i++) {
System.out.println(time[i]);
}
}
static String[] getTime(String[] array) {
String[] strArrays = new String[5];
String str1 = "";
String str2 = "";
String str3 = "";
String str4 = "";
String str5 = "";
for (int i=0; i<array.length; i++) {
char[] chars = array[i].toCharArray();
for (int a=0; a<chars.length; a++) {
switch (chars[a]) {
case '0':
str1 += " -- ";
str2 += " | | ";
str3 += " | | ";
str4 += " | | ";
str5 += " -- ";
break;
case '1':
str1 += " | ";
str2 += " | ";
str3 += " | ";
str4 += " | ";
str5 += " | ";
break;
case '2':
str1 += " ---- ";
str2 += " | ";
str3 += " ---- ";
str4 += " | ";
str5 += " ---- ";
break;
case '3':
str1 += " ---- ";
str2 += " | ";
str3 += " ---- ";
str4 += " | ";
str5 += " ---- ";
break;
case '4':
str1 += " | | ";
str2 += " | | ";
str3 += " ---- ";
str4 += " | ";
str5 += " | ";
break;
case '5':
str1 += " ---- ";
str2 += " | ";
str3 += " ---- ";
str4 += " | ";
str5 += " ---- ";
break;
case '6':
str1 += " ---- ";
str2 += " | ";
str3 += " ---- ";
str4 += " | | ";
str5 += " ---- ";
break;
case '7':
str1 += " ---- ";
str2 += " | ";
str3 += " | ";
str4 += " | ";
str5 += " | ";
break;
case '8':
str1 += " ---- ";
str2 += " | | ";
str3 += " ---- ";
str4 += " | | ";
str5 += " ---- ";
break;
case '9':
str1 += " ---- ";
str2 += " | | ";
str3 += " ---- ";
str4 += " | ";
str5 += " ---- ";
break;
}
}
if(i < (array.length-1)) {
str1 += " ";
str2 += " . ";
str3 += " ";
str4 += " . ";
str5 += " ";
}
}
strArrays[0] = str1;
strArrays[1] = str2;
strArrays[2] = str3;
strArrays[3] = str4;
strArrays[4] = str5;
return strArrays;
}
}
打印出來的樣式：
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持億速云。
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