面试时有一道面试题：要求获取当时时间，并像电子手表那样打印到控制台。
1 import java.text.SimpleDateFormat;
2 import java.time.LocalTime;
3 import java.util.Date;
4
5 /**
6 * 打印时间到控制台
7 *
8 */
9 public class ConsoleTime {
10
11 public static void main(String[] args) {
12
13 // LocalTime now = LocalTime.now();
14 // System.out.println(now);
15 // System.out.println(now.getHour() + " " + now.getMinute() + " " + now.getSecond());
16
17 Date date = new Date();
18 //yyyy-MM-dd
19 SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss");//设置日期格式
20 String str = format.format(date);
21 System.out.println("现在时间：" + str);
22
23 String[] time = getTime(str.split(":"));
24 for (int i=0; i<time.length; i++) {
25 System.out.println(time[i]);
26 }
27 }
28
29 static String[] getTime(String[] array) {
30 String[] strArrays = new String[5];
31 String str1 = "";
32 String str2 = "";
33 String str3 = "";
34 String str4 = "";
35 String str5 = "";
36
37 for (int i=0; i<array.length; i++) {
38 char[] chars = array[i].toCharArray();
39 for (int a=0; a<chars.length; a++) {
40 switch (chars[a]) {
41 case ‘0‘:
42 str1 += " -- ";
43 str2 += " | | ";
44 str3 += " | | ";
45 str4 += " | | ";
46 str5 += " -- ";
47 break;
48 case ‘1‘:
49 str1 += " | ";
50 str2 += " | ";
51 str3 += " | ";
52 str4 += " | ";
53 str5 += " | ";
54 break;
55 case ‘2‘:
56 str1 += " ---- ";
57 str2 += " | ";
58 str3 += " ---- ";
59 str4 += " | ";
60 str5 += " ---- ";
61 break;
62 case ‘3‘:
63 str1 += " ---- ";
64 str2 += " | ";
65 str3 += " ---- ";
66 str4 += " | ";
67 str5 += " ---- ";
68 break;
69 case ‘4‘:
70 str1 += " | | ";
71 str2 += " | | ";
72 str3 += " ---- ";
73 str4 += " | ";
74 str5 += " | ";
75 break;
76 case ‘5‘:
77 str1 += " ---- ";
78 str2 += " | ";
79 str3 += " ---- ";
80 str4 += " | ";
81 str5 += " ---- ";
82 break;
83 case ‘6‘:
84 str1 += " ---- ";
85 str2 += " | ";
86 str3 += " ---- ";
87 str4 += " | | ";
88 str5 += " ---- ";
89 break;
90 case ‘7‘:
91 str1 += " ---- ";
92 str2 += " | ";
93 str3 += " | ";
94 str4 += " | ";
95 str5 += " | ";
96 break;
97 case ‘8‘:
98 str1 += " ---- ";
99 str2 += " | | ";
100 str3 += " ---- ";
101 str4 += " | | ";
102 str5 += " ---- ";
103 break;
104 case ‘9‘:
105 str1 += " ---- ";
106 str2 += " | | ";
107 str3 += " ---- ";
108 str4 += " | ";
109 str5 += " ---- ";
110 break;
111 }
112 }
113 if(i < (array.length-1)) {
114 str1 += " ";
115 str2 += " . ";
116 str3 += " ";
117 str4 += " . ";
118 str5 += " ";
119 }
120 }
121 strArrays[0] = str1;
122 strArrays[1] = str2;
123 strArrays[2] = str3;
124 strArrays[3] = str4;
125 strArrays[4] = str5;
126 return strArrays;
127 }
128
129 }
打印出来的样式：
原文地址：https://www.cnblogs.com/mxh-java/p/12257570.html
时间： 2024-10-29 00:17:03