最近在看 Stream 的代码,有些命名不理解: 比如 SortedOps 类中
final class SortedOps {
private SortedOps() { }
1.//这里应该是 make reference
static <T> Stream<T> makeRef(AbstractPipeline<?, T, ?> upstream) {
return new OfRef<>(upstream);
}
2.//这里是 make int reference
static <T> IntStream makeInt(AbstractPipeline<?, Integer, ?> upstream) {
return new OfInt(upstream);
}
3.//这里的子类为什么要叫 OfRef 呀?
private static final class OfRef<T> extends ReferencePipeline.StatefulOp<T, T> {}
4.//这里为什么要叫 OfInt ?
private static final class OfInt extends IntPipeline.StatefulOp<Integer> {}
}