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- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
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Wraps an existing Reader and buffers the input. Expensive interaction with the
underlying reader is
- IOException (java.io)
Signals a general, I/O-related error. Error details may be specified when
calling the constructor, a
- RandomAccessFile (java.io)
Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- BigDecimal (java.math)
An immutable arbitrary-precision signed decimal.A value is represented by an
arbitrary-precision "un
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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