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ObjectMapper provides functionality for reading and writing JSON, either to and
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A BufferedInputStream adds functionality to another input stream-namely, the
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A thread is a thread of execution in a program. The Java Virtual Machine allows
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A connection represents a link from a Java application to a database. All SQL
statements and results
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This class consists exclusively of static methods that operate on or return
collections. It contains
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An ExecutorService that executes each submitted task using one of possibly
several pooled threads, n
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