Get index of element Version 13 (Java)

Action group: Collections

Description

Gets the sequence number of the item position whose value is equal to the specified value.

Action icon

Settings of parameters

PropertyDescriptionTypeFilling exampleMandatory field
Parameters
CollectionCollection to checkRobin.Collection
Yes
ValueValue to checkRobin.Object
Yes
Results
IndexNumeric variable containing the index of the element with the specified value, or -1 if the element was not foundRobin.Numeric

Special conditions of use

If there are multiple identical values in the collection, it determines the index of the first in order.

Example of use 

Task

There is a variable "Collection 1" with a list of cities containing 10 entries. It is required to determine the index under which the city Moscow is recorded and output the value in the dialog box. 

Solution

Use the "Get index of element" and "Show message" actions. 

Implementation

  1. Assemble a robot scheme consisting of actions:

  2. Set the parameters of the "Get index of element" action. 


  3. Set the parameters of the "Show message" action. 

  4. Start the robot using the "Start" button in the top panel. 

Result

The program robot completed successfully. 

The desired value of the Moscow city position is displayed in the dialog box.