- Start an intent from android
- getSystemService (Context)
- findViewById (Activity)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
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A Comparator is used to compare two objects to determine their ordering with
respect to each other.
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- Notification (javax.management)
- Reference (javax.naming)
- JFileChooser (javax.swing)
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