Interview Questions

Q:

What is the use of tostring() method?

Answer

If we print any object by using println() or print() methods.


The println() or print() methods internally calls tostring() method and prints the return value of toString() method.

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Subject: Java

0 2099
Q:

How do you calculate gratuity?

Answer

Gratuity is paid to all such employees after their resignation or retirement.Incase of resignation gratuity is paid to such employees who have completed 5 years of service.


Calculation of gratuity = Basic + DA x (15/26) x Total no. yrs service


15- Half month


26- Excluding 4 sundays

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1 2098
Q:

Which of the following statements is true concerning subqueries?

A) Does not start with the word SELECT. B) Involves the use of an inner and outer query.
C) Cannot return the same result as a query that is not a subquery. D) All of the above
 
Answer & Explanation Answer: B) Involves the use of an inner and outer query.

Explanation:
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Filed Under: SQL
Job Role: Analyst , Database Administration , IT Trainer

0 2097
Q:

How to get contents of the folder?

Answer

File[] listFiles();


this method returns list of files stored in a directory.

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Subject: Java

0 2097
Q:

How to create a file on the hard disk by using File class object?

Answer

We can use the following method call:


boolean createNewFile();


This method creates a new file on the HD. 


 


If a file is already existing with the name given in the constructor then this method does not creates file on HD.


If file is successfully created then this method returns true.


If file is already existing on the HD then this method returns false.


This method may throw IOException whenever IO error is generated while creating file on HD.

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Subject: Java

0 2097
Q:

Transfer payments are included in

A) Government subsidies B) GDP
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) Government subsidies

Explanation:

Transfer payments are included in GDP and not in GDP.

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Filed Under: Bank Interview
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

1 2095
Q:

What are the events in ABAP language?

Answer

1. Initialization
2. At selection-screen
3. Start-of-selection
4. End-of-selection
5. Top-of-page
6. End-of-page
7. At line-selection
8. At user-command
9. At PF
10. Get
11. At New
12. At LAST
13. AT END
14. AT FIRST


1. Initialization
2. At selection-screen
3. Start-of-selection
4. End-of-selection
5. Top-of-page
6. End-of-page
7. At line-selection
8. At user-command
9. At PF
10. Get
11. At New
12. At LAST
13. AT END
14. AT FIRST - See more at: https://www.aired.in/2010/06/part-6-sap-abap-interview-questions-and.html#sthash.q4iDHrxe.dpuf
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Subject: ABAP

0 2092
Q:

What is an abstract class?

Answer

An abstract class is an incomplete class. An abstract class is defined with the keyword abstract . We cannot create an object of the abstract class because it is not complete. It sets a behavioral protocol for all its child classes.

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Subject: Java

0 2092