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An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
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A class for turning a byte stream into a character stream. Data read from the
source input stream is
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A connection represents a link from a Java application to a database. All SQL
statements and results
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A parser that parses a text string of primitive types and strings with the help
of regular expressio
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The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
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Factory that creates instances of DateTimeFormatter from patterns and styles.
Datetime formatting i
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