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A connection represents a link from a Java application to a database. All SQL
statements and results
- SortedMap (java.util)
A map that has its keys ordered. The sorting is according to either the natural
ordering of its keys
- ThreadPoolExecutor (java.util.concurrent)
An ExecutorService that executes each submitted task using one of possibly
several pooled threads, n
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The Manifest class is used to obtain attribute information for a JarFile and its
entries.
- IsNull (org.hamcrest.core)
Is the value null?
- ImageIO (javax.imageio)
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