- Creating JSON documents from java classes using gson
- getSharedPreferences (Context)
- runOnUiThread (Activity)
- compareTo (BigDecimal)
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GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- Collectors (java.util.stream)
- JLabel (javax.swing)
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