Question 1

Java enables the creation of cross-platform programs by compiling into an intermediate representation called Java

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Byte Code
Firewall
Tetra Code
View Code

Answer

Correct Option: A

Question 2

enum is a Keyword in Java, introduced from J2SE 5

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True
False

Answer

Correct Option: A

Question 3

Java support RMI. What does this RMI stands for?

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Random Memory Interface
Remote Method Invocation
Random Method Invocation
Remote Memory Interface

Answer

Correct Option: B

Question 4

When you read your e-mail, you are viewing _________ data

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Active
Passive
Both
None

Answer

Correct Option: B

Question 5

An _________ is a special kind of Java program that is designed to be transmitted over the Internet

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Viewlet
Servlet
Object
Applet

Answer

Correct Option: D

Question 6

In Java, a source file is officially called a compilation unit

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True
False

Answer

Correct Option: A

Question 7

The peerless components are called

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Heavy weight components
Medium weight components
Light weight components
None

Answer

Correct Option: C

Question 8

The list of locations for the compiler to search in order to resolve class names at compile time is called _______

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build path
runtime classpath
Both (A) and (B )
None

Answer

Correct Option: A

Question 9

In order to use a servlet for handling the submission of a web form, subclass HttpServlet() and put service code in ______

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service() method
getServletInfo() method
doGet() or doPost() method
None

Answer

Correct Option: C

Question 10

Choose the false statement among these?

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Servlets are server side components
Applets have GUI interface
Servlets have GUI interface
Applets are client side components

Answer

Correct Option: C

Question 11

You Can inherit multiple interfaces.

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True
False

Answer

Correct Option: A

Question 12

Whats the implicit name of the parameter that gets passed into the class set method?

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Parameter
Value
Index
Object

Answer

Correct Option: B

Question 13

You can declare the override method static while the original method is non-static.

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True
False

Answer

Correct Option: B

Question 14

C# provides a default constructor for me. I write a constructor that takes a string as a parameter, but want to keep the no parameter one. How many constructors should I write?

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One
Two
Nill
None

Answer

Correct Option: B

Question 15

You can override private virtual methods?

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True
False

Answer

Correct Option: B

Question 16

Vector.size() refers to the space alloted to the vector

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True
False

Answer

Correct Option: B

Question 17

StringTokenizer st= new StringTokenizer(String s). The output string is tokenized based on

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comma
space
single quote
double quote

Answer

Correct Option: B

Question 18

Try catch block should be used whenever

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I/O operation
Database operation
Networking
All of the above
None of the above

Answer

Correct Option: D

Question 19

Output Stream corresponding to the Sequence Input Stream

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Sequence Output Stream
Print Stream
None of the above
1 and 2

Answer

Correct Option: C,D

Question 20

The below statement returns ?executeUpdate(String sql)...

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Resultset
Prepared Statement
Statement
Number of rows retrieved

Answer

Correct Option: D

Description: programming languages Online Quiz - 28
Number of Questions: 20
Created by: Aliensbrain Bot
Tags: programming languages

programming languages Online Quiz - 28

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