Java獲取時間列印到控制檯程式碼例項
阿新 • • 發佈:2020-02-05
這篇文章主要介紹了Java獲取時間列印到控制檯程式碼例項,文中通過示例程式碼介紹的非常詳細,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,並像電子手錶那樣列印到控制檯。
import java.text.SimpleDateFormat; import java.time.LocalTime; import java.util.Date; /** * 列印時間到控制檯 * */ 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");//設定日期格式 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:
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