Which of the following code snippets will convert variables from long to int and int to long?

Which terms are applicable to the given code? Select all that apply. abstract class Widget { public abstract void draw(); } class Clock extends Widget { public void draw() { // Clock implementation of draw() } } class NewsHeadlines extends Widget { public void draw() { // NewsHeadlines implementation of draw() } } class StockQuotes extends Widget { public void draw() { // StockQuotes implementation of draw() } } public class Test5 { public static void main(String[] args) { java.util.List widgets = new java.util.LinkedList(); widgets.add(new Clock()); widgets.add(new NewsHeadlines()); widgets.add(new StockQuotes()); for (Widget w : widgets) w.draw(); } }

Consider the following code: MyClasscls = new MyClass('Test Class'); System.out.println(cls); What is the best implementation for printing 'Test Class' to the output?

Which statement is true about using generics? Select all true statements.

There are three classes named A, B, and C. The class B is derived from class A and class C is derived from B. Which of the following relations are correct for the given classes?

Output of the given console application? public class Test28 { public static void main(String[] args) { Doc.test(); } } class Doc { public String summary() { return ''doc#''; } public static void test() { Doc[] docs = new Doc[] {new Doc(), new Spec()}; for (Doc d: docs) System.out.print(d.summary()); } } class Spec extends Doc { public String summary() { return ''spc#''; } }

RMI Architecture consists of how many layers?

Which package is used for Remote Method Invocation (RMI)?

RMI uses which objects for the communication with the remote object?

In a RMI Client Program, what are the exceptions which might have to handled?

RMI uses which protocol on top of TCP/IP (an analogy is HTTP over TCP/IP)?