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Why does XMLEventReader extend raw Iterator? Due to that XMLEventReader.next() returns Object and we have to use an explicit cast. Shouldn’t it be this way:
public interface XMLEventReader extends Iterator<XmlEvent>
The Stax api was defined in jsr 173, the specification got to final release status in march of 2004. JDK 5, which introduced generics, was only released in september 2004. The development of jsr 173 started much earlier and so it targeted an earlier java version.
It should be possible to introduce generics in a further release of the api, but I guess no one on the expert group has stepped up to the task.
Note that
XMLEventReaderalso has anextEventmethod that does not require casting.