How to sort List according to Date?

Here’s how to sort unsorted dates:

  1. Drag down the column to select the dates you want to sort.
  2. Click Home tab > arrow under Sort & Filter, and then click Sort Oldest to Newest, or Sort Newest to Oldest.

How do I sort in groovy?

Groovy – sort()

  1. Syntax. List sort()
  2. Parameters. None.
  3. Return Value. The sorted list.
  4. Example. Following is an example of the usage of this method − class Example { static void main(String[] args) { def lst = [13, 12, 15, 14]; def newlst = lst. sort(); println(newlst); } }

How to check Date sorting in Java?

Algorithm

  1. First get the list of dates from the user as a string.
  2. Create an array of objects for Date class and dynamically allocate memory.
  3. Create an object for SimpleDateFormat class with the format as “dd-MM-yyyy”.
  4. Parse the string dates to the date object.
  5. Sort the dates and print them.

How to sort ArrayList of Date Objects in Java?

Inside the compare method for return value use the compareTo() method which will return the specified value by comparing the DateItem objects. Now in the main method use Collections. sort() method and pass the ArrayList and ‘SortItem’ class object to it, it will sort the dates, and output will be generated.

How do you sort time in Java?

Collections. sort(dateStrList, new Comparator() { DateFormat f = new SimpleDateFormat(“MM/dd/yyyy ‘@’hh:mm a”); @Override public int compare(String o1, String o2) { try { return f. parse(o1).

How do I put dates in chronological order in Python?

To sort a Python date string list using the sort function, you’ll have to convert the dates in objects and apply the sort on them. For this you can use the key named attribute of the sort function and provide it a lambda that creates a datetime object for each date and compares them based on this date object.

How do I loop a list in Groovy?

groovy Collection Operators Iterate over a collection

  1. Example#
  2. Lists. def lst = [‘foo’, ‘bar’, ‘baz’] // using implicit argument lst.each { println it } // using explicit argument lst.each { val -> println val } // both print: // foo // bar // baz.
  3. Iterate with index.
  4. Maps.

What is def in Groovy script?

The def keyword is used to define an untyped variable or a function in Groovy, as it is an optionally-typed language.

How do I sort dates in String format?

ArrayList datestring=new ArrayList(); datestring. add(“01/21/2013 @03:13 PM”); datestring. add(“01/21/2013 @04:37 PM”); datestring. add(“01/21/2013 @10:41 AM”); datestring.