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A Uniform Resource Locator that identifies the location of an Internet resource
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A concrete subclass of NumberFormat that formats decimal numbers. It has a
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An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
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LinkedHashMap is an implementation of Map that guarantees iteration order. All
optional operations a
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An interface for the creation of Connection objects which represent a connection
to a database. This
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