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Scala
1.2.0.1 |
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java.util.Map
interface.
Method Summary | |
def -=(key: A): Unit
This method removes a mapping from the given key .
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override
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def apply(key: A): B
Retrieve the value which is associated with the given key. |
override
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def clear: Unit
Removes all mappings from the map. |
override
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def clone(): Map[A,B]
Return a clone of this map. |
override
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def contains(key: A): Boolean
Is the given key mapped to a value by this map? |
def elements: Iterator[Tuple2[A,B]]
Creates a new iterator over all elements contained in this object. |
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def get(key: A): Option[B]
Check if this map maps key to a value and return the
value if it exists.
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override
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def isDefinedAt(key: A): Boolean
Does this map contain a mapping from the given key to a value? |
override
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def isEmpty: Boolean
Is this an empty map? |
override
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def keys: Iterator[A]
Creates an iterator for all keys. |
def size: Int
Compute the number of key-to-value mappings. |
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def update(key: A, value: B): Unit
This method allows one to add a new mapping from key
to value to the map.
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override
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def values: Iterator[B]
Creates an iterator for a contained values. |
Methods inherited from java/lang/Object-class |
eq, finalize, getClass, notify, notifyAll, synchronized, wait, wait, wait |
Methods inherited from scala/Any-class |
!=, ==, asInstanceOf, isInstanceOf, match |
Methods inherited from scala/Iterable-class |
/:, :\, exists, find, foldLeft, foldRight, forall, foreach, sameElements |
Methods inherited from scala/collection/Map-class |
equals, exists, forall, foreach, toList |
Methods inherited from scala/collection/mutable/Map-class |
++=, ++=, +=, --=, --=, <<, excl, filter, hashCode, incl, map, mappingToString, toString |
Method Detail |
def size: Int
def get(key: A): Option[B]
key
to a value and return the
value if it exists.
key
-
the key of the mapping of interest
override def isEmpty: Boolean
override def apply(key: A): B
key
-
the key
override def contains(key: A): Boolean
key
-
the key
override def isDefinedAt(key: A): Boolean
key
-
the key
override def keys: Iterator[A]
override def values: Iterator[B]
def elements: Iterator[Tuple2[A,B]]
def update(key: A, value: B): Unit
key
to value
to the map. If the map already contains a
mapping for key
, it will be overridden by this
function.
def -=(key: A): Unit
key
.
If the map does not contain a mapping for the given key, the
method does nothing.
override def clear: Unit
override def clone(): Map[A,B]
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Scala
1.2.0.1 |
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