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programming languages Online Quiz - 24

Description: programming languages Online Quiz - 24
Number of Questions: 20
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Tags: programming languages
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Can we create custom components ?

  1. Yes

  2. No

  3. Don't know

  4. No Idea


Correct Option: A

2.Which two languages are used in Flex?

  1. Java & C

  2. mxml & as

  3. C & C

  4. java & javascript.


Correct Option: B

1.Which tag is must for compilation of mxml file?

  1. Box

  2. Application

  3. Button

  4. Panel


Correct Option: B

What is the shortcut key to open the VB macro from excel?

  1. Alt + F11

  2. Alt + F10

  3. Ctrl + F10

  4. Alt + F8


Correct Option: A

Which window is used to show the values of variables that are in your code?

  1. Breakpoints

  2. Immediate window

  3. Properties window

  4. Watches window


Correct Option: D

Complete the code. Sub Demo() X = 4 Y = 5 Z = addNum(X,Y) Msgbox (Z) End Sub Function addNum(X,Y) Ans = X + Y <> End Function

  1. Return (Ans)

  2. Return Ans

  3. addNum = Ans

  4. addNum = Return Ans


Correct Option: C

Which keyword is used to prevent the values being changed?

  1. Static

  2. Const

  3. Preserve

  4. ReadOnly


Correct Option: B

Visual Basic is a

  1. Data Oriented Language

  2. Service Oriented Language

  3. Object Oriented Language

  4. Structured Oriented Language


Correct Option: C

What is the output for the below code ? public class Test { public static void main(String[] args) { Integer i = null; int j = i; System.out.println(j); } }

  1. 0

  2. Compile with error

  3. null

  4. NullPointerException


Correct Option: D

Which of the below statement is true about Error?

  1. An Error is a subclass of Throwable

  2. An Error is a subclass of Exception

  3. Error indicates serious problems that a reasonable application should not try to catch.

  4. An Error is a subclass of IOException


Correct Option: A,C

What is the result of executing the following code, using the parameters 0 and 3 ?public void divide(int a, int b) { try { int c = a / b; } catch (Exception e) { System.out.print("Exception "); } finally { System.out.println("Finally");}

  1. Prints out: Exception Finally

  2. Prints out: Finally

  3. Prints out: Exception

  4. Compile with error


Correct Option: B

What is the output for the below code ? public class Test { public static void main(String... args) { ArrayList list = new ArrayList(); list.add(1); list.add(2); list.add(3); for(int i:list) System.out.println(i); } }

  1. 1 2 3

  2. Compile error , can't add primitive type in ArrayList

  3. Compile error on for(int i:list) , Incorrect Syntax

  4. 0 0 0


Correct Option: A

static public class Test { public static void main(String[] args) { char c = 'a'; switch(c){ case 65: System.out.println("one");break; case 'a': System.out.println("two");break; case 3: System.out.println("three"); } } }

  1. one

  2. two

  3. Compile error - char can't be permitted in switch statement

  4. Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted


Correct Option: D

Parameter passing in java is pass by reference

  1. True

  2. False


Correct Option: B

Java allows multiple inheritance through

  1. Class

  2. Interface

  3. None

  4. Thread


Correct Option: B

Do finally block get executed if the exception had not occurred?

  1. True

  2. False


Correct Option: A

Is it possible to store multiple data types in System.Array?

  1. True

  2. False


Correct Option: B

________________ refers to formatting data based on locale?

  1. Globalization

  2. Localization

  3. Impersonation

  4. Unicode program


Correct Option: A

What does the keyword virtual mean in the method definition?

  1. The method is public

  2. The method can be derived

  3. The method is static

  4. The method can be over-ridden


Correct Option: D

Can you inherit multiple interfaces?

  1. True

  2. False


Correct Option: A
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