Processing

Reference×

Reference

Documentation→Reference→Structure

Name

[] (array access)

Description

The array access operator is used to specify a location within an array. The data at this location can be defined with the syntax array[element] = value and read with the syntax value = array[element] as shown in the above example.

Examples

  • int[] numbers = new int[3]; 
numbers[0] = 90; 
numbers[1] = 150; 
numbers[2] = 30; 
int a = numbers[0] + numbers[1]; // Sets variable 'a' to 240 
int b = numbers[1] + numbers[2]; // Sets variable 'b' to 180

Syntax

  • datatype[]
  • array[element]

Parameters

  • datatypeany primitive or compound datatype, including user-defined classes
  • arrayany valid variable name
  • elementint: must not exceed the length of the array minus 1

Related

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.