Object Oriented Concept MCQ question and answer with solution

81.
Which symbol is used to declare nested namespaces?

A. /

B. \

C. .

D. |

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82.
Which keyword can be used to fix the above error?

A. fix

B. join

C. use

D. namespace

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83.
Which one of the following statements is true for include_once() and require_once()?

A. Both are exactly the same

B. include_once is used for files where as require_once() is not

C. Both Handle the errors in the same way

D. Both do not handle the errors in the same way

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84.
Which one of the following statements is true for require() and require_once()?

A. They are functions

B. They are statements

C. They’ll not work if the () is not present

D. They can not be used to require files

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85.
Which function was introduced to help automate the inclusion of class files?

A. __load()

B. __preload()

C. __autoload()

D. __inload()

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86.
How many times can you define _______ autoload in a process?

A. once

B. twice

C. thrice

D. as many times as needed

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87.
Which one of the following functions will you use to check that the class exists before you work with it?

A. class_exist()

B. class_exists()

C. exist()

D. exists_class()

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88.
Which one of the following will you use to check the class of an object?

A. class()

B. _class()

C. class_check()

D. get_class()

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89.
PHP 4 did not support instanceof. Instead, which function did it provide?

A. is()

B. get_class()

C. is_a()

D. is_the()

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90.
You use the get_class_methods() function to return the names of all the methods in the class. Which function will you use to print it on the screen?

A. printf()

B. print_ar

C. print_r

D. echo

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Object Oriented Concept MCQ question and answer with solution | PHP Programming

81. Which symbol is used to declare nested namespaces?

Answer & Solution

82. Which keyword can be used to fix the above error?

Answer & Solution

83. Which one of the following statements is true for include_once() and require_once()?

Answer & Solution

84. Which one of the following statements is true for require() and require_once()?

Answer & Solution

85. Which function was introduced to help automate the inclusion of class files?

Answer & Solution

86. How many times can you define _______ autoload in a process?

Answer & Solution

87. Which one of the following functions will you use to check that the class exists before you work with it?

Answer & Solution

88. Which one of the following will you use to check the class of an object?

Answer & Solution

89. PHP 4 did not support instanceof. Instead, which function did it provide?

Answer & Solution

90. You use the get_class_methods() function to return the names of all the methods in the class. Which function will you use to print it on the screen?

Answer & Solution

Read More Section(Object Oriented Concept)

81.
Which symbol is used to declare nested namespaces?

82.
Which keyword can be used to fix the above error?

83.
Which one of the following statements is true for include_once() and require_once()?

84.
Which one of the following statements is true for require() and require_once()?

85.
Which function was introduced to help automate the inclusion of class files?

86.
How many times can you define _______ autoload in a process?

87.
Which one of the following functions will you use to check that the class exists before you work with it?

88.
Which one of the following will you use to check the class of an object?

89.
PHP 4 did not support instanceof. Instead, which function did it provide?

90.
You use the get_class_methods() function to return the names of all the methods in the class. Which function will you use to print it on the screen?