java打开Selector的不同方式

Question

SelectorProvider.provider().openSelector()和Selector.open()什么区别？

Answer 1

The javadoc of Selector.open() states

The new selector is created by invoking the openSelector method of the system-wide default java.nio.channels.spi.SelectorProvider object.

They are equivalent.

Answer 2

Yes, they are same.

public static Selector open() throws IOException {
        return SelectorProvider.provider().openSelector();
    }

above method used in Selector class.