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Return the contained value, if present, otherwise throw an exception to be
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- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- LinkedHashMap (java.util)
LinkedHashMap is an implementation of Map that guarantees iteration order. All
optional operations a
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
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A Java virtual machine.
A VirtualMachine represents a Java virtual machine to which this Java vir
- JCheckBox (javax.swing)
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