object Wrappers extends Wrappers with Serializable
- Annotations
- @SerialVersionUID()
- Source
- Wrappers.scala
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class
ConcurrentMapWrapper[A, B] extends MutableMapWrapper[A, B] with ConcurrentMap[A, B]
- Definition Classes
- Wrappers
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case class
DictionaryWrapper[A, B] extends Dictionary[A, B] with Product with Serializable
- Definition Classes
- Wrappers
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case class
IterableWrapper[A] extends AbstractCollection[A] with IterableWrapperTrait[A] with Product with Serializable
- Definition Classes
- Wrappers
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trait
IterableWrapperTrait[A] extends AbstractCollection[A]
- Definition Classes
- Wrappers
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case class
IteratorWrapper[A] extends java.util.Iterator[A] with java.util.Enumeration[A] with Product with Serializable
- Definition Classes
- Wrappers
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case class
JCollectionWrapper[A] extends AbstractIterable[A] with Iterable[A] with Product with Serializable
- Definition Classes
- Wrappers
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case class
JConcurrentMapWrapper[A, B] extends mutable.AbstractMap[A, B] with JMapWrapperLike[A, B, JConcurrentMapWrapper[A, B]] with concurrent.Map[A, B] with Product with Serializable
Wraps a concurrent Java map as a Scala one.
Wraps a concurrent Java map as a Scala one. Single-element concurrent access is supported; multi-element operations such as maps and filters are not guaranteed to be atomic.
- Definition Classes
- Wrappers
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case class
JDictionaryWrapper[A, B] extends mutable.AbstractMap[A, B] with mutable.Map[A, B] with Product with Serializable
- Definition Classes
- Wrappers
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case class
JEnumerationWrapper[A] extends AbstractIterator[A] with Iterator[A] with Product with Serializable
- Definition Classes
- Wrappers
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case class
JIterableWrapper[A] extends AbstractIterable[A] with Iterable[A] with Product with Serializable
- Definition Classes
- Wrappers
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case class
JIteratorWrapper[A] extends AbstractIterator[A] with Iterator[A] with Product with Serializable
- Definition Classes
- Wrappers
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case class
JListWrapper[A] extends AbstractBuffer[A] with Buffer[A] with Product with Serializable
- Definition Classes
- Wrappers
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case class
JMapWrapper[A, B] extends mutable.AbstractMap[A, B] with JMapWrapperLike[A, B, JMapWrapper[A, B]] with Product with Serializable
Wraps a Java map as a Scala one.
Wraps a Java map as a Scala one. If the map is to support concurrent access, use JConcurrentMapWrapper instead. If the wrapped map is synchronized (e.g. from
java.util.Collections.synchronizedMap
), it is your responsibility to wrap all non-atomic operations withunderlying.synchronized
. This includesget
, asjava.util.Map
's API does not allow for an atomicget
whennull
values may be present.- Definition Classes
- Wrappers
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trait
JMapWrapperLike[A, B, +Repr <: mutable.MapLike[A, B, Repr] with mutable.Map[A, B]] extends mutable.Map[A, B] with mutable.MapLike[A, B, Repr]
- Definition Classes
- Wrappers
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case class
JPropertiesWrapper extends mutable.AbstractMap[String, String] with mutable.Map[String, String] with mutable.MapLike[String, String, JPropertiesWrapper] with Product with Serializable
- Definition Classes
- Wrappers
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case class
JSetWrapper[A] extends mutable.AbstractSet[A] with mutable.Set[A] with mutable.SetLike[A, JSetWrapper[A]] with Product with Serializable
- Definition Classes
- Wrappers
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class
MapWrapper[A, B] extends java.util.AbstractMap[A, B] with Serializable
- Definition Classes
- Wrappers
- Annotations
- @SerialVersionUID()
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case class
MutableBufferWrapper[A] extends AbstractList[A] with IterableWrapperTrait[A] with Product with Serializable
- Definition Classes
- Wrappers
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case class
MutableMapWrapper[A, B] extends MapWrapper[A, B] with Product with Serializable
- Definition Classes
- Wrappers
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case class
MutableSeqWrapper[A] extends AbstractList[A] with IterableWrapperTrait[A] with Product with Serializable
- Definition Classes
- Wrappers
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case class
MutableSetWrapper[A] extends SetWrapper[A] with Product with Serializable
- Definition Classes
- Wrappers
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case class
SeqWrapper[A] extends AbstractList[A] with IterableWrapperTrait[A] with Product with Serializable
- Definition Classes
- Wrappers
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class
SetWrapper[A] extends java.util.AbstractSet[A] with Serializable
- Definition Classes
- Wrappers
- Annotations
- @SerialVersionUID()
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class
ToIteratorWrapper[A] extends AnyRef
- Definition Classes
- Wrappers
This is the documentation for the Scala standard library.
Package structure
The scala package contains core types like
Int
,Float
,Array
orOption
which are accessible in all Scala compilation units without explicit qualification or imports.Notable packages include:
scala.collection
and its sub-packages contain Scala's collections frameworkscala.collection.immutable
- Immutable, sequential data-structures such asVector
,List
,Range
,HashMap
orHashSet
scala.collection.mutable
- Mutable, sequential data-structures such asArrayBuffer
,StringBuilder
,HashMap
orHashSet
scala.collection.concurrent
- Mutable, concurrent data-structures such asTrieMap
scala.collection.parallel.immutable
- Immutable, parallel data-structures such asParVector
,ParRange
,ParHashMap
orParHashSet
scala.collection.parallel.mutable
- Mutable, parallel data-structures such asParArray
,ParHashMap
,ParTrieMap
orParHashSet
scala.concurrent
- Primitives for concurrent programming such asFutures
andPromises
scala.io
- Input and output operationsscala.math
- Basic math functions and additional numeric types likeBigInt
andBigDecimal
scala.sys
- Interaction with other processes and the operating systemscala.util.matching
- Regular expressionsOther packages exist. See the complete list on the right.
Additional parts of the standard library are shipped as separate libraries. These include:
scala.reflect
- Scala's reflection API (scala-reflect.jar)scala.xml
- XML parsing, manipulation, and serialization (scala-xml.jar)scala.swing
- A convenient wrapper around Java's GUI framework called Swing (scala-swing.jar)scala.util.parsing
- Parser combinators (scala-parser-combinators.jar)Automatic imports
Identifiers in the scala package and the
scala.Predef
object are always in scope by default.Some of these identifiers are type aliases provided as shortcuts to commonly used classes. For example,
List
is an alias forscala.collection.immutable.List
.Other aliases refer to classes provided by the underlying platform. For example, on the JVM,
String
is an alias forjava.lang.String
.