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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
Attempted 0/20 Correct 0 Score 0

Can you inherit multiple interfaces?

  1. True

  2. False


Correct Option: A
  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
  1. Globalization

  2. Localization

  3. Impersonation

  4. Unicode program


Correct Option: A

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

  1. True

  2. False


Correct Option: B

Java allows multiple inheritance through

  1. Class

  2. Interface

  3. None

  4. Thread


Correct Option: B

Parameter passing in java is pass by reference

  1. True

  2. False


Correct Option: B

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

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
  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 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
  1. Data Oriented Language

  2. Service Oriented Language

  3. Object Oriented Language

  4. Structured Oriented Language


Correct Option: C

Which keyword is used to prevent the values being changed?

  1. Static

  2. Const

  3. Preserve

  4. ReadOnly


Correct Option: B

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 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

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

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

  1. Box

  2. Application

  3. Button

  4. Panel


Correct Option: B

2.Which two languages are used in Flex?

  1. Java & C

  2. mxml & as

  3. C & C

  4. java & javascript.


Correct Option: B

Can we create custom components ?

  1. Yes

  2. No

  3. Don't know

  4. No Idea


Correct Option: A
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