PHP

PHP

Question: Which of the following statements are true about constructors?
A
Constructor is defined as block of code that automatically executes at the time of object instantiation.

B
Constructor can accept parameters.

C
Constructor ensures that the object being passed to the method.

D
Class constructors cannot call on other constructors.

Note: Not available
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Question: How to determine whether an object is an instance of a class?
A
using new keyword

B
using instanceof keyword

C
using static keyword

Note: Not available
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Question: The ability to implement polymorphism through method overloading is not supported by php?
A
True

B
False

Note: Not available
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Question: Which line of code use to clone a object?
A
$drone1=new Corproate_Drone() $drone2=copy $drone1

B
$drone1=new Corproate_Drone() $drone2=object $drone1

C
$drone1=new Corproate_Drone() $drone2=clone $drone1

Note: Not available
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Question: Which class defines a general specification for implementing a particular service, declaring the required functions and constants without implementation code?
A
constants

B
Interface

C
Abstract

Note: Not available
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Question: Which methods are special in that they are declared only within a parent class but are implement child class ?
A
Static method

B
Constants Method

C
Private method

D
Abstract Method

Note: Not available
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Question: What are the two common characteristics shared by all objects?
A
Methods and interfaces

B
State and behavior

C
Methods and messages

Note: Not available
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Question: Which statement are true about Exception Handling?
A
Definition of error.

B
Exceptions are used to change the normal flow of a script if a specified error occurs.

C
Exceptions should only be used with error conditions

Note: Not available
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Question: How to get the name of the file throwing the exception?
A
getFile()

B
getName()

C
getCode()

D
getMessage()

Note: Not available
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Question: How to get the line number for which the exception is thrown?
A
getFile()

B
getName()

C
getCode()

D
getLine()

Note: Not available
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Question: Which of the following statements are true about constructors?

Question: How to determine whether an object is an instance of a class?

Question: The ability to implement polymorphism through method overloading is not supported by php?

Question: Which line of code use to clone a object?

Question: Which class defines a general specification for implementing a particular service, declaring the required functions and constants without implementation code?

Question: Which methods are special in that they are declared only within a parent class but are implement child class ?

Question: What are the two common characteristics shared by all objects?

Question: Which statement are true about Exception Handling?

Question: How to get the name of the file throwing the exception?

Question: How to get the line number for which the exception is thrown?