What are use cases?

A use case is a software and system engineering term that describes how a user uses a system to accomplish a particular goal. A use case acts as a software modeling technique that defines the...

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java, jdbc, servlet 2 Answer 138 views asked Aug 3, 2016 in Java by Naveen

) What is the purpose of File class?

File class is used to provide methods to perform some basic file-system operations such as checking the file length,create/remove folders etc.File class is used to read and write data to and from...

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java, servlet, jdbc 2 Answer 165 views asked Aug 2, 2016 in Java by Srinu

What is a connection?

The Connection object is the first component of ADO.NET that you should be looking at. A connection sets a link between a data source and ADO.NET. A Connection object sits between a data source and a...

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java, jdbc, servlet 2 Answer 132 views asked Aug 2, 2016 in Java by D. Charan

Why Vector class is used?

Vector implements a dynamic array. It is similar to ArrayList, but with two differences − Vector is synchronized. Vector contains many legacy methods that are not part of the collections...

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java, jdbc, servlet 2 Answer 81 views asked Jul 28, 2016 in Java by Satish