I did not understand why there is “x” appended to “java” for few of the import packages. What is the reason? Can’t it be just java.swing.* like others java.io.*?
I did not understand why there is x appended to java for few of
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I did not understand why there is “x” appended to “java” for few of the import packages. What is the reason? Can’t it be just java.swing.* like others java.io.*?
Swing was originally an extension to Java – a separately downloadable library. It became part of the “main” JRE in Java 1.2. It would have been odd for a separate library to have claimed a java.* package, hence the current situation. There are plenty of other extensions which have a similar story.
The Wikipedia article on Swing has a bit more information on its history.