public java.util.Set | queryNames(javax.management.ObjectName name, javax.management.QueryExp query)Gets the names of MBeans controlled by the MBean server. This method
enables any of the following to be obtained: The names of all MBeans,
the names of a set of MBeans specified by pattern matching on the
ObjectName and/or a Query expression, a specific MBean name (equivalent to
testing whether an MBean is registered). When the object name is
null or no domain and key properties are specified, all objects are selected (and filtered if a
query is specified). It returns the set of ObjectNames for the MBeans
selected.
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