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programming languages Online Quiz - 282

Description: programming languages Online Quiz - 282
Number of Questions: 20
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Tags: programming languages
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Which of the following is the correct syntax for suggesting that the JVM performs garbage collection?

  1. System.free()

  2. System.setGarbageCollection()

  3. System.setGarbage()

  4. System.gc()


Correct Option: D

Which one does not extend java.lang.Number?

  1. integer

  2. boolean

  3. character

  4. short


Correct Option: B,C

Which one does not have a ValueOf(String) method?

  1. integer

  2. boolean

  3. character

  4. long


Correct Option: C

What gets printed when the following program is compiled and run. Select the one correct answer. class test { public static void main(String args[]) { int i,j,k,l=0; k = l++; j = ++k; i = j++; System.out.println(i); } }

  1. 0

  2. 1

  3. 2

  4. 3


Correct Option: B

TreeMap class is used to implement which collection interface. Select the one correct answer

  1. SortedMap

  2. Tree

  3. Set

  4. SortedSet


Correct Option: A

Why might you define a method as native?

  1. to get to access hardware that Java does not know about

  2. to define a new data type such as an unsigned integer

  3. to write optimised code for performance in a language such as C/C++

  4. to overcome the limitation of the private scope of the method


Correct Option: A,C

Which of the following are Java modifiers?

  1. public

  2. private

  3. friendly

  4. transient


Correct Option: A,B,D

Which of the following are Java key words

  1. double

  2. Switch

  3. then

  4. instanceof


Correct Option: A,D

Which of the following will compile correctly

  1. short myshort = 99S;

  2. String name = 'Excellent tutorial Mr Green';

  3. char c = 17c;

  4. int z = 015;


Correct Option: D

Which option most fully describes will happen when you attempt to compile and run the following code public class MyAr{ public static void main(String argv[]) { MyAr m = new MyAr(); m.amethod(); } public void amethod(){ static int i; System.out.println(i); } }

  1. Compilation and output of the value 0

  2. Compile time error because i has not been initialized

  3. Compilation and output of null

  4. Compile time error


Correct Option: D

Which one of the following @function is used to display all Response document and Response to Response document of the parent document?

  1. @Responses

  2. @AllChildren

  3. @AllDescendents

  4. @AllResponses


Correct Option: C

Which one of the following design element not allowed on the page?

  1. Outline

  2. Layout Region

  3. View

  4. Table


Correct Option: B

Which one of the following @function is used to get value of the field?

  1. @GetField

  2. @GetItemValue

  3. @GetFieldvalue

  4. @Value


Correct Option: A

Which one of the following @function is used to compare two Passwords?

  1. @VerifyPassword

  2. @Compare

  3. @PasswordCompare

  4. @HashCompare


Correct Option: A

Which one of the following returns the name of the Current Field?

  1. @Name

  2. @FieldName

  3. @ThisName

  4. @FieldTitle


Correct Option: C

Which one of the following @function performs a similar function to the Print method of the Lotus Script?

  1. @Print

  2. @StatusBar

  3. @MessageBox

  4. @MessageBar


Correct Option: B

Which one of the following design element is multi pane interface?

  1. View

  2. Outline

  3. Frameset

  4. Page


Correct Option: C

Which one of following is not a valid shared resource image type?

  1. GIF

  2. JPG

  3. MBP

  4. TIF


Correct Option: D

I am having multivalue field containing numeric value, I want to apply formula on each value of the field. Which of the formula will accomplish the task?

  1. @Transform

  2. @Replace

  3. @ListEvaluate

  4. @ListProcess


Correct Option: A

I am having designer access on the database, I want to modify ACL programmatically through agent signed by my ID, I will be able to modify the same

  1. True

  2. False


Correct Option: B
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