- Start an intent from android
- getExternalFilesDir (Context)
- onRequestPermissionsResult (Fragment)
- addToBackStack (FragmentTransaction)
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- String (java.lang)
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- Handler (java.util.logging)
A Handler object accepts a logging request and exports the desired messages to a
target, for example
- Filter (javax.servlet)
A filter is an object that performs filtering tasks on either the request to a
resource (a servlet o
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