Java Check time format hh:mm

2. Package com;
6. Import Java.text.SimpleDateFormat;
8. Import Java.util.Date;
12. /**
14. * @author Gerrard
16. */
18. Public class Checktimehhmm {
22. public static void Main (string[] args) {
24. Boolean FLG = Checktime ("8:00");
26. Boolean flg3 = Checktime ("24:00");
28. Boolean flg1 = Checktime ("8:60");
30. Boolean flg2 = Checktime ("25:00");
32. Boolean flg4 = Checktime ("25:0-");
34. Boolean flg6 = Checktime ("ss:0-");
36. if (FLG) {
38. System.out.println ("8:00 is the correct format");
40. }
42. if (flg3) {
44. System.out.println ("24:00 is the correct format");
46. }
48. if (!FLG1) {
50. System.out.println ("8:60 is not the correct format");
52. }
54. if (!flg2) {
56. System.out.println ("25:00 is not the correct format");
58. }
60. if (!FLG4) {
62. System.out.println ("25:0-is not the correct format");
64. }
66. if (!flg6) {
68. System.out.println ("ss:0-is not the correct format");
70. }
72. }
76. /** 
78. * Check time format (format only)
80. */
82. public Static Boolean checkhhmm (String time) {
84. SimpleDateFormat DateFormat = new SimpleDateFormat ("hh:mm");
86. try {
88. @SuppressWarnings ("unused")
90. Date t = dateformat.parse (time);
92. }
94. catch (Exception ex) {
96. return false;
98. }
100. return true;
102. }
106. /** 
108. * Check time format hh:mm (exact)
110. */
112. public Static Boolean checktime (String time) {
114. if (CHECKHHMM (time)) {
116. string[] temp = Time.split (":");
118. if ((temp[0].length () = = 2 | | temp[0].length () = = 1) && temp[1].length () = = 2) {
120. int h,m;
122. try {
124. h = integer.parseint (temp[0]);
126. m = Integer.parseint (temp[1]);
128. } catch (NumberFormatException e) {
130. return false;
132. }
134. if (H >= 0 && H <= && m <= && m >= 0) {
136. return true;
138. }
140. }
142. }
144. return false;
146. }
150. }

Java Check time format hh:mm