Groovy - add()


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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.

Syntax

boolean add(Object value)

Parameters

  • value – Value to be appended to the list.

Return Value − A Boolean value on whether the value was added.

  • void add(int index, Object value) − Append the new value to a particular position in the List.

Syntax

void add(int index, Object value)

Parameters

  • value – Value to be appended to the list.
  • index- the index where the value needs to be added.

Return Value − None

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);
      lst.add(15);
		
      println(lst);
      lst.add(2,20);
		
      println(lst);
   } 
}

When we run the above program, we will get the following result −

[11, 12, 13, 14] 
[11, 12, 13, 14, 15] 
[11, 12, 20, 13, 14, 15]
groovy_lists.htm
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