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- setContentView (Activity)
- startActivity (Activity)
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An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- Runnable (java.lang)
Represents a command that can be executed. Often used to run code in a different
Thread.
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HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
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A PriorityQueue holds elements on a priority heap, which orders the elements
according to their natu
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General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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