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Return the contained value, if present, otherwise throw an exception to be
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ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
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An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
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The base class for all formats. This is an abstract base class which specifies
the protocol for clas
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Vector is an implementation of List, backed by an array and synchronized. All
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Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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