Groovy – collect()

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collect

The method collect iterates through a collection, converting each element into a new value using the closure as the transformer.

Syntax

List collect(Closure closure)

Parameters

The Closure expression.

Return Value

The modified list collection.

Example

Following is an example of the usage of this method of the every method −

class Example {
   static void main(String[] args) {
      def lst = [1,2,3,4];
      def newlst = [];
      newlst = lst.collect {element -> return element * element}
      println(newlst);
   } 
}

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

[1, 4, 9, 16] 

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