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1
16 package org.joda.example.time;
17
18 import java.util.Locale  ;
19
20 import org.joda.time.DateTime;
21 import org.joda.time.Instant;
22
23
28 public class Examples {
29
30 public static void main(String [] args) throws Exception {
31 try {
32 new Examples().run();
33 } catch (Throwable ex) {
34 ex.printStackTrace();
35 }
36 }
37
38 private void run() {
39 runInstant();
40 System.out.println();
41 runDateTime();
42 System.out.println();
43 }
44
45 private void runInstant() {
46 System.out.println("Instant");
47 System.out.println("=======");
48 System.out.println("Instant stores a point in the datetime continuum as millisecs from 1970-01-01T00:00:00Z");
49 System.out.println("Instant is immutable and thread-safe");
50 System.out.println(" in = new Instant()");
51 Instant in = new Instant();
52 System.out.println("Millisecond time: in.getMillis(): " + in.getMillis());
53 System.out.println("ISO string version: in.toString(): " + in.toString());
54 System.out.println("ISO chronology: in.getChronology(): " + in.getChronology());
55 System.out.println("UTC time zone: in.getDateTimeZone(): " + in.getZone());
56 System.out.println("Change millis: in.withMillis(0): " + in.withMillis(0L));
57 System.out.println("");
58 System.out.println("Convert to Instant: in.toInstant(): " + in.toInstant());
59 System.out.println("Convert to DateTime: in.toDateTime(): " + in.toDateTime());
60 System.out.println("Convert to MutableDT: in.toMutableDateTime(): " + in.toMutableDateTime());
61 System.out.println("Convert to Date: in.toDate(): " + in.toDate());
62 System.out.println("");
63 System.out.println(" in2 = new Instant(in.getMillis() + 10)");
64 Instant in2 = new Instant(in.getMillis() + 10);
65 System.out.println("Equals ms and chrono: in.equals(in2): " + in.equals(in2));
66 System.out.println("Compare millisecond: in.compareTo(in2): " + in.compareTo(in2));
67 System.out.println("Compare millisecond: in.isEqual(in2): " + in.isEqual(in2));
68 System.out.println("Compare millisecond: in.isAfter(in2): " + in.isAfter(in2));
69 System.out.println("Compare millisecond: in.isBefore(in2): " + in.isBefore(in2));
70 }
71
72 private void runDateTime() {
73 System.out.println("DateTime");
74 System.out.println("=======");
75 System.out.println("DateTime stores a the date and time using millisecs from 1970-01-01T00:00:00Z internally");
76 System.out.println("DateTime is immutable and thread-safe");
77 System.out.println(" in = new DateTime()");
78 DateTime in = new DateTime();
79 System.out.println("Millisecond time: in.getMillis(): " + in.getMillis());
80 System.out.println("ISO string version: in.toString(): " + in.toString());
81 System.out.println("ISO chronology: in.getChronology(): " + in.getChronology());
82 System.out.println("Your time zone: in.getDateTimeZone(): " + in.getZone());
83 System.out.println("Change millis: in.withMillis(0): " + in.withMillis(0L));
84 System.out.println("");
85 System.out.println("Get year: in.getYear(): " + in.getYear());
86 System.out.println("Get monthOfYear: in.getMonthOfYear(): " + in.getMonthOfYear());
87 System.out.println("Get dayOfMonth: in.getDayOfMonth(): " + in.getDayOfMonth());
88 System.out.println("...");
89 System.out.println("Property access: in.dayOfWeek().get(): " + in.dayOfWeek().get());
90 System.out.println("Day of week as text: in.dayOfWeek().getAsText(): " + in.dayOfWeek().getAsText());
91 System.out.println("Day as short text: in.dayOfWeek().getAsShortText(): " + in.dayOfWeek().getAsShortText());
92 System.out.println("Day in french: in.dayOfWeek().getAsText(Locale.FRENCH):" + in.dayOfWeek().getAsText(Locale.FRENCH));
93 System.out.println("Max allowed value: in.dayOfWeek().getMaximumValue(): " + in.dayOfWeek().getMaximumValue());
94 System.out.println("Min allowed value: in.dayOfWeek().getMinimumValue(): " + in.dayOfWeek().getMinimumValue());
95 System.out.println("Copy & set to Jan: in.monthOfYear().setCopy(1): " + in.monthOfYear().setCopy(1));
96 System.out.println("Copy & add 14 months: in.monthOfYear().addCopy(14): " + in.monthOfYear().addToCopy(14));
97 System.out.println("Add 14 mnths in field:in.monthOfYear().addWrapFieldCopy(14): " + in.monthOfYear().addWrapFieldToCopy(14));
98 System.out.println("...");
99 System.out.println("Convert to Instant: in.toInstant(): " + in.toInstant());
100 System.out.println("Convert to DateTime: in.toDateTime(): " + in.toDateTime());
101 System.out.println("Convert to MutableDT: in.toMutableDateTime(): " + in.toMutableDateTime());
102 System.out.println("Convert to Date: in.toDate(): " + in.toDate());
103 System.out.println("Convert to Calendar: in.toCalendar(Locale.UK): " + in.toCalendar(Locale.UK).toString().substring(0, 46));
104 System.out.println("Convert to GregCal: in.toGregorianCalendar(): " + in.toGregorianCalendar().toString().substring(0, 46));
105 System.out.println("");
106 System.out.println(" in2 = new DateTime(in.getMillis() + 10)");
107 DateTime in2 = new DateTime(in.getMillis() + 10);
108 System.out.println("Equals ms and chrono: in.equals(in2): " + in.equals(in2));
109 System.out.println("Compare millisecond: in.compareTo(in2): " + in.compareTo(in2));
110 System.out.println("Compare millisecond: in.isEqual(in2): " + in.isEqual(in2));
111 System.out.println("Compare millisecond: in.isAfter(in2): " + in.isAfter(in2));
112 System.out.println("Compare millisecond: in.isBefore(in2): " + in.isBefore(in2));
113 }
114
115 }
116 |
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