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Collection is the root of the collection hierarchy. It defines operations on
data collections and t
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Doubly-linked list implementation of the List and Dequeinterfaces. Implements
all optional list oper
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The TimerTask class represents a task to run at a specified time. The task may
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Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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The LoggerFactory is a utility class producing Loggers for various logging APIs,
most notably for lo
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