Scala Library
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class
JavaMapAdaptor[A, B](jmap : java.util.Map[A, B])
extends
Map[A, B]java.util.Map
interface.scala.collection.jcl.Map(jmap)
insteadMethod Summary | |
def
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-=
(key : A) : Unit
Remove a key from this map, noop if key is not present.
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override def
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apply
(key : A) : B
Retrieve the value which is associated with the given key. This
method throws an exception if there is no mapping from the given
key to a value.
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override def
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clear
: Unit
Removes all mappings from the map. After this operation is
completed, the map is empty.
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override def
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clone
: Map[A, B]
Return a clone of this map.
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override def
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contains
(key : A) : Boolean
Is the given key mapped to a value by this map?
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def
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elements
: Iterator[(A, B)]
Creates a new iterator over all elements contained in this
object.
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def
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get
(key : A) : Option[B]
Check if this map maps
key to a value and return the
value if it exists. |
override def
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isDefinedAt
(key : A) : Boolean
Does this map contain a mapping from the given key to a value?
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override def
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isEmpty
: Boolean
Is this an empty map?
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override def
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keys
: Iterator[A]
Creates an iterator for all keys.
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def
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size
: Int
Compute the number of key-to-value mappings.
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def
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update
(key : A, value : B) : Unit
This method allows one to add a new mapping from
key
to value to the map. If the map already contains a
mapping for key , it will be overridden by this
function. |
override def
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values
: Iterator[B]
Creates an iterator for a contained values.
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Methods inherited from Map | |
+=, +=, ++=, ++=, +, +, ++, ++, -=, --=, --=, -, removeKey, put, -, --, --, getOrElseUpdate, transform, retain, <<, readOnly, +=, incl, excl |
Methods inherited from Map | |
getOrElse, keySet, equals, hashCode, toString, default, projection, filterKeys, mapElements, stringPrefix |
Methods inherited from Collection | |
toArray |
Methods inherited from Iterable | |
concat, ++, map, flatMap, filter, partition, takeWhile, dropWhile, take, drop, foreach, forall, exists, find, findIndexOf, indexOf, foldLeft, foldRight, /:, :\, reduceLeft, reduceRight, copyToBuffer, sameElements, toList, toSeq, toStream, mkString, mkString, mkString, addString, addString, addString, copyToArray, hasDefiniteSize |
Methods inherited from PartialFunction | |
orElse, andThen |
Methods inherited from Function1 | |
compose |
Methods inherited from AnyRef | |
getClass, notify, notifyAll, wait, wait, wait, finalize, ==, !=, eq, ne, synchronized |
Methods inherited from Any | |
==, !=, isInstanceOf, asInstanceOf |
Method Details |
def
size : Int
key
to a value and return the
value if it exists.key -
the key of the mapping of interestoverride
def
isEmpty : Boolean
true
iff the map is empty.key -
the keykey -
the keytrue
iff there is a mapping for key in this mapkey -
the keytrue
iff there is a mapping for key in this mapkey
to value
to the map. If the map already contains a
mapping for key
, it will be overridden by this
function.key -
The key to updatevalue -
The new valuekey -
the key to be removedoverride
def
clear : Unit
Scala Library
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