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Signals a general, I/O-related error. Error details may be specified when
calling the constructor, a
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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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Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
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This is the central class in the log4j package. Most logging operations, except
configuration, are d
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