Hashtable Hashtable Class

Definition

Hashtable is a synchronized implementation of IMap.

[Android.Runtime.Register("java/util/Hashtable", ApiSince=1, DoNotGenerateAcw=true)]
[Java.Interop.JavaTypeParameters(new System.String[] { "K", "V" })]
public class Hashtable : Java.Util.Dictionary, IDisposable, Java.IO.ISerializable, Java.Lang.ICloneable, Java.Util.IMap
type Hashtable = class
    inherit Dictionary
    interface ISerializable
    interface IJavaObject
    interface IDisposable
    interface ICloneable
    interface IMap
Inheritance
Attributes
Implements

Remarks

Android platform documentation

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Constructors

Hashtable() Hashtable()

Constructs a new Hashtable using the default capacity and load factor.

Hashtable(IDictionary) Hashtable(IDictionary)
Hashtable(Int32) Hashtable(Int32)

Constructs a new Hashtable using the specified capacity and the default load factor.

Hashtable(Int32, Single) Hashtable(Int32, Single)

Constructs a new Hashtable using the specified capacity and load factor.

Hashtable(IntPtr, JniHandleOwnership) Hashtable(IntPtr, JniHandleOwnership)

A constructor used when creating managed representations of JNI objects; called by the runtime.

Properties

Class Class

Returns the unique instance of Class that represents this object's class.

(Inherited from Object)
Handle Handle

The handle to the underlying Android instance.

(Inherited from Object)
IJavaObjectEx.IsProxy IJavaObjectEx.IsProxy Inherited from Object
IJavaObjectEx.KeyHandle IJavaObjectEx.KeyHandle Inherited from Object
IJavaObjectEx.NeedsActivation IJavaObjectEx.NeedsActivation Inherited from Object
IJavaPeerable.JniManagedPeerState IJavaPeerable.JniManagedPeerState Inherited from Object
IsEmpty IsEmpty

Returns true if this Hashtable has no key/value pairs.

JniIdentityHashCode JniIdentityHashCode Inherited from Object
JniPeerMembers JniPeerMembers
PeerReference PeerReference Inherited from Object
ThresholdClass ThresholdClass

This API supports the Mono for Android infrastructure and is not intended to be used directly from your code.

ThresholdType ThresholdType

This API supports the Mono for Android infrastructure and is not intended to be used directly from your code.

Methods

Clear() Clear()

Removes all key/value pairs from this Hashtable, leaving the size zero and the capacity unchanged.

Clone() Clone()

Returns a new Hashtable with the same key/value pairs, capacity and load factor.

Compute(Object, IBiFunction) Compute(Object, IBiFunction)
ComputeIfAbsent(Object, IFunction) ComputeIfAbsent(Object, IFunction)
ComputeIfPresent(Object, IBiFunction) ComputeIfPresent(Object, IBiFunction)
Contains(Object) Contains(Object)

Returns true if this Hashtable contains the specified object as the value of at least one of the key/value pairs.

ContainsKey(Object) ContainsKey(Object)

Returns true if this Hashtable contains the specified object as a key of one of the key/value pairs.

ContainsValue(Object) ContainsValue(Object)

Searches this Hashtable for the specified value.

Dispose() Dispose() Inherited from Object
Dispose(Boolean) Dispose(Boolean) Inherited from Object
Elements() Elements()

Returns an enumeration on the values of this Hashtable.

EntrySet() EntrySet()

Returns a set of the mappings contained in this Hashtable.

Equals(Object) Equals(Object)

Compares this instance with the specified object and indicates if they are equal.

(Inherited from Object)
ForEach(IBiConsumer) ForEach(IBiConsumer)
Get(Object) Get(Object)

Returns the value associated with the specified key in this Hashtable.

GetHashCode() GetHashCode()

Returns an integer hash code for this object.

(Inherited from Object)
GetOrDefault(Object, Object) GetOrDefault(Object, Object)
JavaFinalize() JavaFinalize()

Invoked when the garbage collector has detected that this instance is no longer reachable.

(Inherited from Object)
Keys() Keys()

Returns an enumeration on the keys of this Hashtable instance.

KeySet() KeySet()

Returns a set of the keys contained in this Hashtable.

Merge(Object, Object, IBiFunction) Merge(Object, Object, IBiFunction)
Notify() Notify()

Causes a thread which is waiting on this object's monitor (by means of calling one of the wait() methods) to be woken up.

(Inherited from Object)
NotifyAll() NotifyAll()

Causes all threads which are waiting on this object's monitor (by means of calling one of the wait() methods) to be woken up.

(Inherited from Object)
Put(Object, Object) Put(Object, Object)
PutAll(IDictionary) PutAll(IDictionary)
PutIfAbsent(Object, Object) PutIfAbsent(Object, Object)
Rehash() Rehash()

Increases the capacity of this Hashtable.

Remove(Object) Remove(Object)

Removes the key/value pair with the specified key from this Hashtable.

Remove(Object, Object) Remove(Object, Object)
Replace(Object, Object) Replace(Object, Object)
Replace(Object, Object, Object) Replace(Object, Object, Object)
ReplaceAll(IBiFunction) ReplaceAll(IBiFunction)
SetHandle(IntPtr, JniHandleOwnership) SetHandle(IntPtr, JniHandleOwnership)

Sets the Handle property.

(Inherited from Object)
Size() Size()

Returns the number of key/value pairs in this Hashtable.

ToArray<T>() ToArray<T>() Inherited from Object
ToString() ToString()

Returns a string containing a concise, human-readable description of this object.

(Inherited from Object)
UnregisterFromRuntime() UnregisterFromRuntime() Inherited from Object
Values() Values()

Returns a collection of the values contained in this Hashtable.

Wait() Wait()

Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object.

(Inherited from Object)
Wait(Int64) Wait(Int64)

Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the specified timeout expires.

(Inherited from Object)
Wait(Int64, Int32) Wait(Int64, Int32)

Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the specified timeout expires.

(Inherited from Object)

Explicit Interface Implementations

IJavaObjectEx.ToLocalJniHandle() IJavaObjectEx.ToLocalJniHandle() Inherited from Object
IJavaPeerable.Disposed() IJavaPeerable.Disposed() Inherited from Object
IJavaPeerable.DisposeUnlessReferenced() IJavaPeerable.DisposeUnlessReferenced() Inherited from Object
IJavaPeerable.Finalized() IJavaPeerable.Finalized() Inherited from Object
IJavaPeerable.SetJniIdentityHashCode(Int32) IJavaPeerable.SetJniIdentityHashCode(Int32) Inherited from Object
IJavaPeerable.SetJniManagedPeerState(JniManagedPeerStates) IJavaPeerable.SetJniManagedPeerState(JniManagedPeerStates) Inherited from Object
IJavaPeerable.SetPeerReference(JniObjectReference) IJavaPeerable.SetPeerReference(JniObjectReference) Inherited from Object

Extension Methods

JavaCast<TResult>(IJavaObject) JavaCast<TResult>(IJavaObject)

Performs an Android runtime-checked type conversion.

JavaCast<TResult>(IJavaObject) JavaCast<TResult>(IJavaObject)
GetJniTypeName(IJavaPeerable) GetJniTypeName(IJavaPeerable)

Applies to