java.nio.charset.spi

Only developers who are defining new charsets should need to make direct use of this package.

Unless otherwise noted, passing a null argument to a constructor or method in any class or interface in this package will cause a {@link java.lang.NullPointerException NullPointerException} to be thrown. @since 1.4 @version 1.6, 07/05/05 @author Mark Reinhold @author JSR-51 Expert Group

A charset provider is a concrete subclass of this class that has a zero-argument constructor and some number of associated charset implementation classes.