IMap.ContainsKey(Object) Method
Definition
Important
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Returns true if this map contains a mapping for the specified
key.
[Android.Runtime.Register("containsKey", "(Ljava/lang/Object;)Z", "GetContainsKey_Ljava_lang_Object_Handler:Java.Util.IMapInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")]
public bool ContainsKey (Java.Lang.Object? key);[<Android.Runtime.Register("containsKey", "(Ljava/lang/Object;)Z", "GetContainsKey_Ljava_lang_Object_Handler:Java.Util.IMapInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")>]
abstract member ContainsKey : Java.Lang.Object -> boolParameters
- key
- Object
key whose presence in this map is to be tested
Returns
true if this map contains a mapping for the specified
key
- Attributes
Remarks
Returns true if this map contains a mapping for the specified key. More formally, returns true if and only if this map contains a mapping for a key k such that Objects.equals(key, k). (There can be at most one such mapping.)
Java documentation for java.util.Map.containsKey(java.lang.Object).
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.