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This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.

Name | ### join()
Examples |
    String[] animals = new String[3];
    animals[0] = "cat";
    animals[1] = "seal";
    animals[2] = "bear";
    String joinedAnimals = join(animals, " : ");
    println(joinedAnimals);  // Prints "cat : seal : bear"

    // Joining an array of ints requires first
    // converting to an array of Strings
    int[] numbers = new int[3];
    numbers[0] = 8;
    numbers[1] = 67;
    numbers[2] = 5;
    String joinedNumbers = join(nf(numbers, 0), ", ");
    println(joinedNumbers);  // Prints "8, 67, 5"
Description | Combines an array of Strings into one String, each separated by the character(s) used for the separator parameter. To join arrays of ints or floats, it's necessary to first convert them to Strings using nf() or nfs().
Syntax |
    join(list, separator)
Parameters |
list | String[]: array of Strings
separator | char: char or String to be placed between each item
Returns | String
Related | split() trim() nf() nfs()

Updated on July 4, 2018 11:56:43am EDT