JSONObject.OptDouble Method

Definition

Namespace:: Org.Json

Assembly:: Mono.Android.dll

Important

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Overloads

Name	Description
OptDouble(String)	Returns the value mapped by `name` if it exists and is a double or can be coerced to a double, or `NaN` otherwise.
OptDouble(String, Double)	Returns the value mapped by `name` if it exists and is a double or can be coerced to a double, or `fallback` otherwise.

OptDouble(String)

Returns the value mapped by name if it exists and is a double or can be coerced to a double, or NaN otherwise.

[Android.Runtime.Register("optDouble", "(Ljava/lang/String;)D", "GetOptDouble_Ljava_lang_String_Handler")]
public virtual double OptDouble(string? name);

[<Android.Runtime.Register("optDouble", "(Ljava/lang/String;)D", "GetOptDouble_Ljava_lang_String_Handler")>]
abstract member OptDouble : string -> double
override this.OptDouble : string -> double

Parameters

name: String

The name of the value to read, or null if no name is supplied.

Returns

Double

The number or numeric string converted to a double, or NaN if the mapping is missing or the value cannot be converted.

Attributes: RegisterAttribute

Remarks

Returns the value mapped by name if it exists and is a double or can be coerced to a double, or NaN otherwise.

Java documentation for org.json.JSONObject.optDouble(java.lang.String).

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

OptDouble(String, Double)

Returns the value mapped by name if it exists and is a double or can be coerced to a double, or fallback otherwise.

[Android.Runtime.Register("optDouble", "(Ljava/lang/String;D)D", "GetOptDouble_Ljava_lang_String_DHandler")]
public virtual double OptDouble(string? name, double fallback);

[<Android.Runtime.Register("optDouble", "(Ljava/lang/String;D)D", "GetOptDouble_Ljava_lang_String_DHandler")>]
abstract member OptDouble : string * double -> double
override this.OptDouble : string * double -> double