import java.net.*;
public class MyLoader {
   public static void main (String argv[]) throws Exception {


      URLClassLoader loader = new URLClassLoader(new URL[] { new URL("\192.168.0.1\user") });//ip of other computer  where from  user folder i use Tester class

      // Load class from class loader. argv[0] is the name of the class to be loaded
      Class c = loader.loadClass (argv[0]);

      // Create an instance of the class just loaded
      Object o = c.newInstance();

  }
}

public class Tester {

public Tester () {
      System.out.println ("Hello there");
   }

   public static void main(String argv[]) {
     System.out.println("Network Class Loaders");
   }
}

Exception in thread "main" java.net.MalformedURLException: no protocol: 192.168
.0.1user
        at java.net.URL.<init>(Unknown Source)
        at java.net.URL.<init>(Unknown Source)
        at java.net.URL.<init>(Unknown Source)
        at MyLoader.main(MyLoader.java:7)