Programmer Interview

What Is a java.lang.OutOfMemoryError?

July 13, 2010
By admin

A java.lang.OutOfMemoryError is a subclass of java.lang.VirtualMachineError that is thrown when the Java Virtual Machine is broken or has run out of resources that are necessary to continue the operation of the Java Virtual Machine. Obviously, memory is the exhausted resource for a java.lang.OutOfMemoryError, which is thrown when the Java Virtual Machine cannot allocate...
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The WSDL Document Structure

April 27, 2009
By admin

WSDL Ports The <portType> element is the most important WSDL element. It describes a web service, the operations that can be performed, and the messages that are involved. The <portType> element can be compared to a function library (or a module, or a class) in a traditional programming language. WSDL Messages The <message> element...
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What is WSDL?

April 27, 2009
By admin

WSDL stands for Web Services Description Language WSDL is written in XML WSDL is an XML document WSDL is used to describe Web services WSDL is also used to locate Web services WSDL is a W3C recommendation
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Posted in Architect Iterview, Axis2, Developer Interview, Programmer Interview, Webservices | No Comments »

TYPE_SCROLL_INSENSITIVE v/s TYPE_SCROLL_SENSITIVE?

April 19, 2009
By admin

You will get a scrollable ResultSet object if you specify one of these ResultSet constants.The difference between the two has to do with whether a result set reflects changes that are made to it while it is open and whether certain methods can be called to detect these changes. Generally speaking, a result set...
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What is static in java?

April 16, 2009
By admin

Static means one per class, not one for each object no matter how many instance of a class might exist. This means that you can use them without creating an instance of a class.Static methods are implicitly final, because overriding is done based on the type of the object, and static methods are attached...
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