Handle iteration manually, by defining your own implementation of Iterable.

手动处理遍历，定义自己的Iterable实现。

youdao

But, just like Iterable, the Enum class is not present in the JDK 1.4 class library.

但是，同iterable一样，在JD K 1.4类库中也没有enum类。

youdao

And, just like Iterable and Enum, the valueOf methods are not present in the JDK 1.4 class library.

而且，就像Iterable和Enum一样，value Of方法在JD K 1.4类库中也不存在。

youdao