Initializing help system before first use

# getisnull

Purpose
Query whether the jvmobject contains a null object reference
Synopsis
`function getisnull(obj:jvmobject) : boolean`
Argument

obj | The object reference to query

Return value
true if the jvmobject does not contain a Java object reference, false if it references a Java object.
Related topics
setnull
Parent Topic Procedures and functions

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