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class client extends Thread{
  clientSocket ourSocket;
  int id;
  //other stuff you need (start,stop,run methods f. ex.)
};

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import java.util.*;

public class App {
public static void main(String[] args) {

// Use a List implemented as a LinkedList (which maintains the
// collection as a two-way list with each object pointing to
// both the previous and next object).

List myObjects = new LinkedList();

// Loop to store String objects in the collection.

for (int i = 1; i <= 5; i++) {
myObjects.add(new String("This is object " + i));
}

// Display how many objects are in the collection.

System.out.println("The collection has " + myObjects.size() + " objects");

// Instantiate a ListIterator and use loops to display all
// the objects in both the forward and backward directions.

ListIterator pointer = myObjects.listIterator();
System.out.println("Reading forward:");
while (pointer.hasNext()) {
System.out.println(" " + (String) pointer.next());
}
System.out.println("Reading backward:");
while (pointer.hasPrevious()) {
System.out.println(" " + (String) pointer.previous());
}
}
}

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                    clientList.add(client);

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LinkedList<Socket> clientList = new LinkedList<Socket>();

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List myList= new LinkedList<Socket>();

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LinkedList<Socket> clientList= new LinkedList<Socket>();