processing-docs/content/api_en/include/null.xml at master · processing/processing-docs · GitHub

Repository navigation

History

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>

<root>

<category>Structure</category>

<usage>Web & Application</usage>

<code><![CDATA[

String content = "It is a beautiful day.";

String[] results; // Declare empty String array

results = match(content, "orange");

// The match statement above will fail to find

// the word "orange" in the String 'content', so

// it will return a null value to 'results'.

if (results == null) {

println("Value of 'results' is null."); // This line is printed

} else {

println("Value of 'results' is not null!"); // This line is not printed

}

]]></code>

</example>

<description><![CDATA[

Special value used to signify the target is not a valid data element. In Processing, you may run across the keyword <b>null</b> when trying to access data which is not there.

]]></description>

<type>keyword</type>

<level>extended</level>

</root>

processing-docs/content/api_en/include/null.xml at master · processing/processing-docs · GitHub

Repository navigation

Expand file tree

Breadcrumbs

null.xml

Latest commit

History

Breadcrumbs

null.xml

File metadata and controls