Interview Questions

Q:

What is the use of Namespace?

A) To encapsulate the data B) To structure a program into logical units.
C) Both a and b D) none of these
 
Answer & Explanation Answer: B) To structure a program into logical units.

Explanation:

The main aim of the namespace is to understand the logical units of the program and to make the program so robust.

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Filed Under: C++

1 4232
Q:

Where does the allocaters are implemented?

A) Template library B) Standard library
C) C++ code library D) None of these
 
Answer & Explanation Answer: B) Standard library

Explanation:

Allocaters are implemented in C++ standard library but it is used for C++ template library.

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Filed Under: C++

1 4227
Q:

Which of the following are valied?

A) A class can extend any number of classes simulteneously B) A class can implement only one interface at a time
C) A class can extend other class or can implement interface but not both simulteneously D) None of the above
 
Answer & Explanation Answer: D) None of the above

Explanation:

A is wrong because a class can extend nly one class .B is wrong because a class can implement any number of interfaces.C is wronb because both can can be done simulteneously.So, D is correct

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Filed Under: Java
Job Role: IT Trainer

1 4227
Q:

If sub class data member is hiding super class data member then how to access super class data member inside sub class methods?

Answer

use super keyword.


super keyword points immediate super class.


Class Sample {


int a =23;


 }


Class Sub extends Sample { 


 String a = "bablu";


 void show() {


 System.out.println(a); //bablu


 System. out. println(this.a); //bablu


 System. out.println(super.a); //23


}


}


Class Demo {


Public static void main(string[] args) {


sub s = new Sub();


s.show();


}


}


 

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Subject: Java

1 4205
Q:

Which CICS service transaction is used to gain accessibility to CICS control tables? Mention the one that has the highest priority?

Answer

CEDA 

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Q:

What is the difference between the functions unlink and unset in PHP?

Answer

The function unlink() is to remove a file, where as unset() is used for destroying a variable that was declared earlier.

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Subject: PHP

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Q:

What is accumulated loss?

Answer

A loss (or losses) from previous years carried forward in order to offset future earnings. This reduces the tax burden for the years with profit as the accumulated losses are deducted from the taxable profit.

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Subject: Accounts Payable

0 4176
Q:

Explain what is injector ?

Answer

1.  An injector is a service locator.
2.  It is used to retrieve object instances as defined by provider, instantiate types, invoke methods and load modules.
3. There is a single injector per Angular application, it helps to look up an object instance by its name.

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