- Start an intent from android
- startActivity (Activity)
- getSharedPreferences (Context)
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- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- InputStream (java.io)
A readable source of bytes.Most clients will use input streams that read data
from the file system (
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- Selector (java.nio.channels)
A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
- ArrayList (java.util)
ArrayList is an implementation of List, backed by an array. All optional
operations including adding
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
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