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- InputStreamReader (java.io)
A class for turning a byte stream into a character stream. Data read from the
source input stream is
- JarFile (java.util.jar)
JarFile is used to read jar entries and their associated data from jar files.
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
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The GridBagLayout class is a flexible layout manager that aligns components
vertically and horizonta
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- JLabel (javax.swing)
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