Which of the following interfaces makes it possible for Java to save an object to a file and turn it into a data stream?

Which statement is true regarding declaring a servlet instance in a deployment descriptor?

Which code snipped is the best to check whether a String s contains text 'oDesk'?

An ArrayList can be shuffled using the Knuth shuffle method by calling Collections.shuffle() method and passing the ArrayList object to it. What is the best way to do a Knuth shuffle on a stack data structure?

Best way to return an array from a function?

Which Java technologies support transaction processing?

In RMI program the following two steps are used to, Either extend the UnicastRemoteObject class, the exportObject() method of the UnicastRemoteObject class,

RMI has which of these protocols implementations?

When the skeleton receives the incoming request, it does the following tasks?

Which is an object, acts as a gateway for the client side, all the outgoing requests are routed through it, and it resides at the client side and represents the remote object?

In RMI Distributed object applications need to do?