json - Android JSONObject skipping null value while creating -

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i want send jsonobject mobile server in android. there null values want send.

i have tried following both way skipping null values.

tempjsonvaluesorder.put(databasehelper.order_others, ordercursor.isnull(ordercursor.getcolumnindex(databasehelper.order_others)) ? null :ordercursor.getstring(ordercursor.getcolumnindex(databasehelper.order_others)));

is there way put null value in jsonobject?

help appreciated.

after found solution like:

tempjsonvaluesorder.put(databasehelper.order_transport, ordercursor.isnull(ordercursor.getcolumnindex(databasehelper.order_transport)) ? "" :ordercursor.getstring(ordercursor.getcolumnindex(databasehelper.order_transport)));

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