programming languages Online Quiz - 68

Description: programming languages Online Quiz - 68
Number of Questions: 20
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Tags: programming languages
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We can modify value of literals as below: char *name="David"; *name='X';

  1. True

  2. False

Correct Option: B

In the init(ServletConfig) method of Servlet life cycle, what method can be used to access the ServletConfig object ?

  1. getServletInfo()

  2. getInitParameters()

  3. getServletConfig()

  4. None

Correct Option: C

Which of the implicit objects won’t be available ?

  1. session, request

  2. exception, request

  3. exception, config

  4. session, exception

Correct Option: D
  1. null

  2. Primary Key class

  3. Home Object

  4. Remote Object

Correct Option: A

Which of the following is correct syntax for an Abstract class ?

  1. abstract double area() { }

  2. abstract double area()

  3. abstract double area();

  4. abstract double area(); { }

Correct Option: C

What is the output of following block of program ? boolean var = false; if(var = true) { System.out.println(“TRUE”); } else { System.out.println(“FALSE”); }

  1. TRUE

  2. FALSE

  3. Compilation Error

  4. Run-time Error

Correct Option: A

What is an infinite loop?

  1. A loop that functions infinitely well

  2. A loop that runs forever

  3. A loop that never starts

  4. A loop that will never function

Correct Option: B

One of the new features in the JDBC 2.0 API is the ability to move a result set's cursor Backward as well as Forward

  1. True

  2. False

Correct Option: B

Which interface is implemented by the services in order to pass configuration information to a Servlet when it first starts

  1. Structs Config

  2. WebXML

  3. ServletConfig

  4. None of the above

Correct Option: C

Which abstract class is the super class of all classes used for writing characters. Select the one correct answer.

  1. FileWriter

  2. CharWriter

  3. Writer

  4. OutputStream

  5. FileOutputStream

Correct Option: C

__________ will be automatically invoked when an object is created.

  1. method

  2. garbage collection

  3. finalizer

  4. Constructor

  5. none of the above

Correct Option: D
  1. It must have a package statement

  2. It must be named Test.java

  3. It must import java.lang

  4. It must declare a public class named Test

Correct Option: B

If you want to modify the servlet, The webserver need to be shutdown.

  1. True

  2. False

Correct Option: B

The following is NOT an example of a data type.

  1. int

  2. public

  3. Button

  4. void

Correct Option: B
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