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import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.ProxySelector;
import java.net.URI;
import java.util.Iterator;
import java.util.List;
public class Main {
public static void main(String[] args) throws Exception {
System.setProperty("java.net.useSystemProxies", "true");
List l = ProxySelector.getDefault().select(new URI("http://www.yahoo.com/"));
for (Iterator iter = l.iterator(); iter.hasNext();) {
Proxy proxy = (Proxy) iter.next();
System.out.println("proxy hostname : " + proxy.type());
InetSocketAddress addr = (InetSocketAddress) proxy.address();
if (addr == null) {
System.out.println("No Proxy");
} else {
System.out.println("proxy hostname : " + addr.getHostName());
System.out.println("proxy port : " + addr.getPort());
}
}
}
}
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