How do I sort a list in Groovy?

How do I sort a list 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 do I sort an array in Groovy?

country. sort() will sort country alphabetically, mutating country in the process. country. sort(false) will sort country alphabetically, returning the sorted list.

How do you sort a list in Grails?

Different ways of sorting using GORM in Grails

1. Sort query. Customizes the default property to sort by for query results.
2. Sort () method: This method is simply used to sort the list according to a specified property.
3. Sort using closure.
4. Sorting of list using key value of Objects:

How do I add a list to Groovy?

Groovy – add() Append the new value to the end of this List. This method has 2 different variants. boolean add(Object value) − Append the new value to the end of this List.

How do I initialize a list in Groovy?

Groovy Lists are indexed using the indexing operator []. List indices start at zero, which refers to the first element….Groovy – Lists.

Sr.No.	Methods & Description
1	add() Append the new value to the end of this List.
2	contains() Returns true if this List contains the specified value.

How do I clear a list in Groovy?

Clear a List in Groovy

1. 01. // Declare a list.
2. def l = [ 1 , 2 ]
3. // Print the list size.
4. println ( “List size: ” + l. size () )
5. // Print the list contents.
6. PrintListToConsole(l)
7. // Clear the list.
8. ClearList(l)

How do you write a loop in groovy?

“groovy script for loop” Code Answer

1. List list = new ArrayList();
2. list. add(“A”);
3. list. add(“B”);
4. list. add(“C”);
5. for (String item : list) {
6. System. out. println(item)

How do I add multiple elements to a list in Groovy?

Note: Groovy’s list literal will give you an array list. So could just write def actorCollection = [] or even = [“first”, “second”] to fill the list with the values right from the beginning.

How do I find the length of a list in Groovy?

Groovy – size()

1. Syntax. int size()
2. Parameters. None.
3. Return Value. The size of the list.
4. Example. Following is an example of the usage of this method − class Example { static void main(String[] args) { def lst = [11, 12, 13, 14]; println(lst. size); } } When we run the above program, we will get the following result − 4.

What is ArrayList in Groovy?

In Groovy when you create a list using the literal syntax ( def mylist = [] ) the java.util.ArrayList is the implementation you get: groovy:000> list = [‘a’, ‘b’, ‘c’] ===> [] groovy:000> list instanceof List ===> true groovy:000> list.class ===> class java.util.ArrayList groovy:000> list.class.array ===> false groovy: …

How do I initialize a List in Groovy?

What does List clear do?

Removes all elements from the List.