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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
Attempted 0/20 Correct 0 Score 0

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

  1. True

  2. False


Correct Option: B

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

  1. True

  2. False


Correct Option: A

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

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

_________ method for posting the information in Action class

  1. doGet()

  2. doPost()

  3. execute()

  4. validate()


Correct Option: B

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
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