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web technology Online Quiz - 114

Description: web technology Online Quiz - 114
Number of Questions: 20
Created by:
Tags: web technology
Attempted 0/20 Correct 0 Score 0

JSP expressions should be enclosed within


Correct Option: B

Predefined variables are also called as

  1. scriptlets

  2. declarations

  3. implicit objects

  4. expressions


Correct Option: C
  1. page

  2. include

  3. taglib

  4. all the above


Correct Option: D

The number of page directives

  1. 8

  2. 12

  3. 16

  4. 9


Correct Option: B
  1. directives

  2. properties

  3. methods

  4. events


Correct Option: A
  1. must have empty constructor

  2. should have no public fields

  3. Both a and b

  4. None of a and b


Correct Option: C
  1. Tag Library Descriptor

  2. Tag Language Description

  3. Tag Library Description

  4. Tag Language Dynamics


Correct Option: A

package polymorphism;class TestPolymorphismSuper { int p; TestPolymorphismSuper testPoly() { TestPolymorphismSuper TS = new TestPolymorphismSuper(); TS.p =100; return TS; }}public class TestPolymorphism1 extends TestPolymorphismSuper{ TestPolymorphism1 testPoly() { TestPolymorphism1 TSub = new TestPolymorphism1(); TSub.p =500; return TSub; } public static void main(String[] args) { TestPolymorphismSuper TSuper = new TestPolymorphism1(); TSuper = TSuper.testPoly(); System.out.println(TSuper.p); }}

  1. 500

  2. 100

  3. 0

  4. Null Pointer Exception


Correct Option: A

Which PHP function do you use to connect to a mysql database.

  1. mysql_selectDB_server($server,$user,$password)

  2. mysql_connection($server,$user,$password)

  3. mysql_connect($server,$user,$password)

  4. database_connect($mysql,$server,$user,$password,$database)


Correct Option: C

Which is the correct way to call an object method?

  1. $object.method()

  2. $object->$method()

  3. $object:$method()

  4. $object->method()


Correct Option: D

Which is the problem with the following code using PHP5?

  1. Object attributes are not of any specific data type

  2. The constructor of the class is not correctly defined

  3. You cannot put an equal when recieving a parameter in the constructor

  4. The word function is missing before the class constructor


Correct Option: D

Which is the final value of $n?

  1. 36

  2. 30

  3. 33

  4. 25


Correct Option: A

Which is the function, besides join(), that you use to join array elements with a string?

  1. strconcat(string $glue, array $pieces)

  2. implode ( string $glue , array $pieces )

  3. strcmp(array $pieces, string $concat, int $elementNumber)

  4. arrayConcat(array $pieces, string $concat, string $EOF)


Correct Option: B

Which logical operators are allowed in PHP?

  1. &&

  2. and

  3. nxor

  4. ||


Correct Option: A,B,D

Which of these are valid array operators in php?

  1. ==

  2. ===

  3. +

  4. union


Correct Option: A,B,C
  1. $var = new asoc_array("key"->"value","key2"->"value2");

  2. $var = array("key"=>"value","key2"=>"value2");

  3. $var = new ArrayList("key,value","key1,value1");

  4. $var = new List(Of Associative)["key"=>"value","key1","value1"];


Correct Option: B
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