- Running tasks concurrently on multiple threads
- setRequestProperty (URLConnection)
- scheduleAtFixedRate (Timer)
- getResourceAsStream (ClassLoader)
- VirtualMachine (com.sun.tools.attach)
A Java virtual machine.
A VirtualMachine represents a Java virtual machine to which this Java vir
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- SQLException (java.sql)
An exception that indicates a failed JDBC operation. It provides the following
information about pro
- Timestamp (java.sql)
A Java representation of the SQL TIMESTAMP type. It provides the capability of
representing the SQL
- Handler (java.util.logging)
A Handler object accepts a logging request and exports the desired messages to a
target, for example
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