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A specialized Writer that writes to a file in the file system. All write
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A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
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LinkedHashMap is an implementation of Map that guarantees iteration order. All
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Provides Base64 encoding and decoding as defined by RFC 2045.This class
implements section 6.8. Base
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Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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