1
Q:

Warning implicit declaration of function? 

Answer:



Q:

Which of the following statements about inheritance is false?

A) Inheritance allows you to minimize the amount of duplicate code in an application by sharing common code among several subclasses. B) A subclass inherits all the members (fields, methods, and nested classes) from its superclass.
C) Through inheritance, a parent class is a more specialized form of the child class. D) Inheritance allows you to reuse the fields and methods of the super class without having to write them yourself.
 
Answer & Explanation Answer: C) Through inheritance, a parent class is a more specialized form of the child class.

Explanation:
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0 71
Q:

Exception handling is targeted at

A) Compile time error B) Logical error
C) Run time error D) All of the above
 
Answer & Explanation Answer: C) Run time error

Explanation:
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0 171
Q:

How many constructors can a class have?

A) 1 B) 2
C) 4 D) None of the above
 
Answer & Explanation Answer: D) None of the above

Explanation:

A class can have any number of constructors. If a class have more than one constructor, we call it as the constructor is overloaded.

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0 98
Q:

How to call a constructor in java?

Answer

Constructor chaining is the process of calling one constructor from another constructor with respect to current object.





Within same class: It can be done using this() keyword for constructors in same class


From base class: by using super() keyword to call constructor from the base class.

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0 131
Q:

Which of the following is not a keyword?

A) assert B) pass
C) eval D) nonlocal
 
Answer & Explanation Answer: C) eval

Explanation:

"eval" is not a keyword and is can be used as variable.

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2 181
Q:

Is it possible to nest functions in javascript?

Answer

Yes, it is possible to nest functions in javascript.

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1 373
Q:

Which of the following attribute can hold the JavaScript version?

A) script B) version
C) language D) none of the above
 
Answer & Explanation Answer: C) language

Explanation:

Language attribute contains the javascript versions.

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2 1674
Q:

Which of the following best describes JavaScript?

A) a scripting language precompiled in the browser. B) an object-oriented scripting language
C) a low-level programming language. D) a compiled scripting language.
 
Answer & Explanation Answer: B) an object-oriented scripting language

Explanation:
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