How to use Date.before(), Date.after() and Date.equals() methods in java

Date.before(), Date.after() and Date.equals()

A semantically friendly way to compare two java.util.Date

<code>@Test<br>void 
testDateCompare2(
) throws ParseException {<br>  SimpleDateFormat sdf = 
new SimpleDateFormat("yyyy-MM-dd");<br>  Date date1 = sdf.parse("2009-12-31");<br>  Date date2 = sdf.parse("2019-01-31");<br><br>  System.out.println("date1 : " + sdf.format(date1));<br>  System.out.println("date2 : " + sdf.format(date2));<br><br>  if (date1.after(date2)) {<br>    System.out.println("Date1 时间在 Date2 之后");<br>  }<br><br>  if (date1.before(date2)) {<br>    System.out.println("Date1 时间在 Date2 之前");<br>  }<br><br>  if (date1.equals(date2)) {<br>    System.out.println("Date1 时间与 Date2 相等");<br>  }<br>}<br></code>

Output result

<code>date1 : 2009-12-31<br>date2 : 2019-01-31<br>Date1 时间在 Date2 之前</code>

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