javachk(feature) returns a generic error message if the specified Java feature is not available in the current MATLAB session. If it is available, javachk returns an error structure with empty message and identifier fields.

The following table shows the valid feature arguments.

Feature	Description
`'awt'`	Java GUI components in the Abstract Window Toolkit components are available.
`'desktop'`	The MATLAB interactive desktop is running.
`'jvm'`	The Java Virtual Machine software (JVM™) is running.
`'swing'`	Swing components (Java lightweight GUI components in the Java Foundation Classes) are available.

javachk(feature, component) works the same as the above syntax, except that the specified component is also named in the error message.

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javachk - Generate error message based on Java feature support

Syntax

Description

See Also