Interview Questions

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.

Report Error

View answer Workspace Report Error Discuss

Subject: Java

0 2154
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.

Report Error

View answer Workspace Report Error Discuss

Subject: Java

0 2154
Q:

What do you like to do when you're not at work?

Answer

Be sure to emphasize those activities that may complement your on-the-job duties. For Example, if you're applying for a  position as a book-store manager, mentioning that you read three books per a week is highly appropriate. 

Report Error

View answer Workspace Report Error Discuss

0 2154
Q:

What is JDBC ?

Answer

JDBC technology is an API (included in both J2SE and J2EE releases) that provides cross-DBMS connectivity to a wide range of SQL databases and access to other tabular data sources, such as spreadsheets or flat files. With a JDBC technology-enabled driver, you can connect all corporate data even in a heterogeneous environment.

Report Error

View answer Workspace Report Error Discuss

Subject: Java

0 2153
Q:

What is abstract method?

Answer

abstract method is a method declared with abstract modifier but  with out body.

Report Error

View answer Workspace Report Error Discuss

Subject: Java

0 2151
Q:

What needs to be taken into consideration to host a website?

Answer

- To host a website a platform needs to be decided using which the hosting can be made simpler. 


- The specification needs to be determined before hosting the website and choosing the hosting platform. 


- The choice of operating system needs to be clear in choosing the website hosting services and the resources that the particular hosting platform requires need to be known. 


- The web hosting platform requires lots of services that need to be decided before hosting the website on the web.


- The space and the cost need to be kept minimum and according to that the choice has to be made between hosted or shared platforms.

Report Error

View answer Workspace Report Error Discuss

Subject: Web Technology

0 2148
Q:

Give the sequence of execution of the various report triggers?

Answer

Before form , After form , Before report, Between page, After report.

Report Error

View answer Workspace Report Error Discuss

7 2146
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

Report Error

View answer Workspace Report Error Discuss

1 2145