Android provides different ways of storing data of an application. Shared preferences is a light weight data storage option provided by Android. Shared preferences allow us to store and retrieve small amounts of primitive data as key/value pairs in a file on the device.Shared preferences is mostly used to save preferences, i.e., user-specific data, like application settings, login sessions, etc. SharedPreferences have a relatively small collection of key-values that you'd like to save such as String, int, float, Boolean, long.
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