Properties.ComputeIfAbsent(Object, IFunction) 方法
定义
重要
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[Android.Runtime.Register("computeIfAbsent", "(Ljava/lang/Object;Ljava/util/function/Function;)Ljava/lang/Object;", "GetComputeIfAbsent_Ljava_lang_Object_Ljava_util_function_Function_Handler", ApiSince=35)]
public virtual Java.Lang.Object? ComputeIfAbsent(Java.Lang.Object? key, Java.Util.Functions.IFunction? mappingFunction);
[<Android.Runtime.Register("computeIfAbsent", "(Ljava/lang/Object;Ljava/util/function/Function;)Ljava/lang/Object;", "GetComputeIfAbsent_Ljava_lang_Object_Ljava_util_function_Function_Handler", ApiSince=35)>]
abstract member ComputeIfAbsent : Java.Lang.Object * Java.Util.Functions.IFunction -> Java.Lang.Object
override this.ComputeIfAbsent : Java.Lang.Object * Java.Util.Functions.IFunction -> Java.Lang.Object
参数
- key
- Object
- mappingFunction
- IFunction
返回
- 属性