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An output stream that writes bytes to a file. If the output file exists, it can
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A thread is a thread of execution in a program. The Java Virtual Machine allows
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Doubly-linked list implementation of the List and Dequeinterfaces. Implements
all optional list oper
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This class provides methods that return pseudo-random values.It is dangerous to
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This class provides access to implementations of cryptographic ciphers for
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A filter is an object that performs filtering tasks on either the request to a
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