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A readable source of bytes.Most clients will use input streams that read data
from the file system (
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A ConnectException is thrown if a connection cannot be established to a remote
host on a specific po
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This class is used to encode a string using the format required by
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Thrown when a hostname can not be resolved.
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A task that returns a result and may throw an exception. Implementors define a
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Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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