| org.apache.commons.collections | This package contains the interfaces and utilities shared across all the subpackages of this component.  | 
    
| org.apache.commons.collections.bag | 
This package contains implementations of the
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| org.apache.commons.collections.bidimap | 
This package contains implementations of the
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| org.apache.commons.collections.buffer | 
This package contains implementations of the
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| org.apache.commons.collections.collection | This package contains implementations of the java.util.Collection Collection interface.  | 
    
| org.apache.commons.collections.comparators | This package contains implementations of the java.util.Comparator Comparator interface.  | 
    
| org.apache.commons.collections.functors | 
This package contains implementations of the
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| org.apache.commons.collections.iterators | This package contains implementations of the java.util.Iterator Iterator interface.  | 
    
| org.apache.commons.collections.keyvalue | This package contains implementations of collection and map related key/value classes.  | 
    
| org.apache.commons.collections.list | This package contains implementations of the java.util.List List interface.  | 
    
| org.apache.commons.collections.map | 
This package contains implementations of the 
java.util.Map Map,
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| org.apache.commons.collections.set | This package contains implementations of the java.util.Set Set and java.util.SortedSet SortedSet interfaces.  |