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Java Quiz

Happy Atul

Joined: Sep 20, 2004
Posts: 1
1.An object (Select all correct answers)
a)is initialized by a constructor
b)is an instance of a class
c)can be accessed in an application via the object reference
d)can exhibit behavior that is not defined via its class.

2.If you extend a class, you are
a)allocating more memory to the class
b)making the class more specific
c)creating extra instances of the class.
d)creating a superclass

3.What is true about constructors? (Select two)
a) They initialize all the member variables
b) They initialize all the instance variables
c) If there is no constructor, the compiler includes default constructor.
d) Compiler supplied constructor will invoke the default constructor of the Super class.

4.A final class cannot have abstract methods.
a) True
b) False
c) True, only if the class is sub-classed.
d) True, only if the class is static.

5.In Java, an abstract class cannot be sub-classed.
A. True
B. False

6.All the methods of an interface are abstract by default.
c)True, Only if the class is sub-classed.
d)True, Only if the class is static.

7.Which of the following class declarations are INCORRECT uses of modifier keywords? (Select all correct answers)
a)public synchronized class FastClass extends Thread
b)private protected class FastClass
c)public abstract class FastClass
d)class FastClass extends Thread

8.How will you specify the access modifier for a method, which should be accessible only to the class in which it is defined?
a) protected
b) static
c) private
d) default
e) final
f) abstract

9.Which of the follow modifiers are legal for an interface method (circle all)?
e)none of the above

10.Every Java source file should be stored with the extension, �.java�?

11.Which of the following would be an illegal identifier for a Java variable

12.What is the output of this code fragment?
int X=3; int Y =10;
Vijay Vaddem
Ranch Hand

Joined: Feb 13, 2004
Posts: 243
Whats "Your" question Atul??? and this place is for servlets i guess....
Bear Bibeault
Author and ninkuma

Joined: Jan 10, 2002
Posts: 63348

You'll need to look elsewhere to get your homework done for you.

[Asking smart questions] [Bear's FrontMan] [About Bear] [Books by Bear]
Mark Spritzler

Joined: Feb 05, 2001
Posts: 17276

Yes, what Bear said. I am just going to close this thread. i am not even going to move it to the more appropriate forum.

This forum is for Servlets questions only.

Thank you.


Perfect World Programming, LLC - iOS Apps
How to Ask Questions the Smart Way FAQ
Mark Spritzler

Joined: Feb 05, 2001
Posts: 17276

Welcome to the JavaRanch! Please adjust your displayed name to meet the

JavaRanch Naming Policy.

You can change it


Thanks! and welcome to the JavaRanch!

I agree. Here's the link:
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