what is the use of constructors in java when we can intialize objects directly

in abstract class the methods may or may not be implemented, when we implement the methods in the abstract class, then why cant we instantiate objects in for the abstract class. is it mandatory that...

only those two differences what about the security and versionin in java and .net

.Net features are quite similar to java, in java we use jvm and in .net clr is used for compiling the source code to intermediate language, instead of packages in .net they use assemblies and...

how java is different from .net and other technologies

ya i got it, u mean to say that in static class , no need to instantiate an object until the variable and methods are declared as static

Thanks a million

hi thanks for your reply, can you please give me the clear picture of it, u mean to say that if u access any method or variables without the class being instantiated then that class is referred as...

can anyone give me an explanation about static class in java

Thank u

i know the concept of abstract class in java and this concept is used in interface, i.e all the methods declared in interface are abstract. i want to know how the abtract class is different from the...

hi
primary keys are meant to be unique in database, if you want to insert the same value again in the column and not get errors, then you should use surrogate key.
"surrogate key is the...

The best design for any database is normalization, u need to design your table in such a way that, you should not have any redundancy, that is repeating values coz it will consume the user time and...

hi
im new to the field of datawarehouse, but im familiar with the database concepts so, can you please give me the guidance or scope of ddatawarehouse for my career, how it is helpful to my career...

I think you need to connect with JDBC driver for your application, you need to first creat a database in MS SQL Server and go to the Control Panel and click on Administrative tools, click on ODBC...

hi guys , can you help me by giving some tips as to how to handle classes for techies in a software firm as a corporate trainer for java and J2EE, i hope you ill guide me with the revelant...

hi
im tina, can you just tell about Best Buy and how to apply at Best Buy for an IT job.

Name: Tina Mary.G
Nick name: Teddy
Location: Bangalore, India
Age:24
Hobbies: singing. listening to music, and dancing
Education: MCA