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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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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

The following is NOT an example of a data type.

  1. int

  2. public

  3. Button

  4. void


Correct Option: B

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

  1. True

  2. False


Correct Option: B

_____________ is the mechanism that servlets use to have a client hold a small amount of state information associated with the user.

  1. sessions

  2. HttpRequest

  3. HttpResponse

  4. Java Beans

  5. Cookies


Correct Option: E

In order for a source code file, containing the public class Test, to successfully compile, which of the following must be true?

  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

__________ 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

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

_________ method for posting the information in Action class

  1. doGet()

  2. doPost()

  3. execute()

  4. validate()


Correct Option: B

In JDBC ______________ used to create an instance of a driver and register it with the DriverManager. When you have loaded a driver, it is available for making a connection with a DBMS.

  1. Class.forName

  2. Class.JDBCODBC

  3. Class.JdbcDriver

  4. Class.Loader


Correct Option: A

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

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

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

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

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

ejbCreate() method of CMP bean returns

  1. null

  2. Primary Key class

  3. Home Object

  4. Remote Object


Correct Option: A

Which of the implicit objects won’t be available ?

  1. session, request

  2. exception, request

  3. exception, config

  4. session, exception


Correct Option: D

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

Casting the return value from malloc function is necessary.

  1. True

  2. False


Correct Option: B

The expression: i++ * ++i; is not well defined.

  1. True

  2. False


Correct Option: A

We can modify value of literals as below: char *name="David"; *name='X';

  1. True

  2. False


Correct Option: B
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