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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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An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
address, and in pra
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
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A Set is a data structure which does not allow duplicate elements.
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Stack is a Last-In/First-Out(LIFO) data structure which represents a stack of
objects. It enables u
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Walk the nodes of the tree left-to-right or right-to-left. Note that in
descending iterations, next
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