# Package java.net.spi

package java.net.spi
Service-provider classes for the `java.net` package.

Only developers who are defining new URL stream handler providers or implementing a custom resolver provider should need to make direct use of this package.

Since:
  9

- Related Packages
  Module
  Package
  Description
  java.base
  java.net
  Provides the classes for implementing networking applications.
  java.net.http
  java.net.http
  HTTP Client and WebSocket APIs
- Class
  Description
  InetAddressResolver
  This interface defines operations for looking up host names and IP addresses.
  InetAddressResolver.LookupPolicy
  A `LookupPolicy` object describes characteristics that can be applied to a lookup operation.
  InetAddressResolverProvider
  Service-provider class for InetAddress resolvers.
  InetAddressResolverProvider.Configuration
  A `Configuration` object is supplied to the `InetAddressResolverProvider.get(Configuration)` method when setting the system-wide resolver.
  URLStreamHandlerProvider
  URL stream handler service-provider class.