# Package org.eclipse.mat.inspections.collections

These are queries for Collection classes. The queries delivered with Memory Analyzer and their expected parameters are not part of the API. Both names/identifiers and parameters may change. Subject to that caveat, `SnapshotQuery` can be used to call these queries.

Class Summary
AbstractFillRatioQuery
ArrayFillRatioQuery
ArraysBySizeQuery
CollectionFillRatioQuery
CollectionsBySizeQuery
ExtractListValuesQuery
HashEntriesQuery
HashEntriesQuery.Result
HashSetValuesQuery
MapCollisionRatioQuery
PrimitiveArraysWithAConstantValueQuery