INavigableMap.HeadMap Method
Definition
Important
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Overloads
| Name | Description |
|---|---|
| HeadMap(Object) |
Returns a view of the portion of this map whose keys are strictly less than toKey. |
| HeadMap(Object, Boolean) |
Returns a view of the portion of this map whose keys are less than (or
equal to, if |
HeadMap(Object)
Returns a view of the portion of this map whose keys are strictly less than toKey.
[Android.Runtime.Register("headMap", "(Ljava/lang/Object;)Ljava/util/SortedMap;", "GetHeadMap_Ljava_lang_Object_Handler:Java.Util.INavigableMapInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")]
public System.Collections.IDictionary HeadMap(Java.Lang.Object? toKey);
[<Android.Runtime.Register("headMap", "(Ljava/lang/Object;)Ljava/util/SortedMap;", "GetHeadMap_Ljava_lang_Object_Handler:Java.Util.INavigableMapInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")>]
abstract member HeadMap : Java.Lang.Object -> System.Collections.IDictionary
Parameters
- toKey
- Object
high endpoint (exclusive) of the keys in the returned map
Returns
a view of the portion of this map whose keys are strictly less than toKey
Implements
- Attributes
Remarks
Returns a view of the portion of this map whose keys are strictly less than toKey.
The returned map is backed by this map, so changes in the returned map are reflected in this map, and vice-versa.
The returned map supports all optional map operations that this map supports.
The returned map will throw an IllegalArgumentException on an attempt to insert a key outside its range.
Equivalent to headMap(toKey, false).
Java documentation for java.util.NavigableMap.headMap(K).
Java reference for java.util.NavigableMap.headMap.
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.
Applies to
HeadMap(Object, Boolean)
Returns a view of the portion of this map whose keys are less than (or
equal to, if inclusive is true) toKey.
[Android.Runtime.Register("headMap", "(Ljava/lang/Object;Z)Ljava/util/NavigableMap;", "GetHeadMap_Ljava_lang_Object_ZHandler:Java.Util.INavigableMapInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")]
public Java.Util.INavigableMap HeadMap(Java.Lang.Object? toKey, bool inclusive);
[<Android.Runtime.Register("headMap", "(Ljava/lang/Object;Z)Ljava/util/NavigableMap;", "GetHeadMap_Ljava_lang_Object_ZHandler:Java.Util.INavigableMapInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")>]
abstract member HeadMap : Java.Lang.Object * bool -> Java.Util.INavigableMap
Parameters
- toKey
- Object
high endpoint of the keys in the returned map
- inclusive
- Boolean
true if the high endpoint
is to be included in the returned view
Returns
a view of the portion of this map whose keys are less than
(or equal to, if inclusive is true) toKey
- Attributes
Remarks
Returns a view of the portion of this map whose keys are less than (or equal to, if inclusive is true) toKey. The returned map is backed by this map, so changes in the returned map are reflected in this map, and vice-versa. The returned map supports all optional map operations that this map supports.
The returned map will throw an IllegalArgumentException on an attempt to insert a key outside its range.
Java documentation for java.util.NavigableMap.headMap(K, boolean).
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.