Is it legal to have static initializer blocks in EJB?
Although technically it is legal, static initializer blocks are used to execute some piece of code before executing any constructor or method while instantiating... Read more »
Archive for September, 2006
What are Local Interfaces? Describe.
EJB was originally designed around remote invocation using the Java Remote Method Invocation (RMI) mechanism, and later extended to support to standard CORBA transport... Read more »
What is SEI? CMM? CMMI? ISO? IEEE? ANSI?
SEI = ‘Software Engineering Institute’ at Carnegie-Mellon University; initiated by the U.S. Defense Department to help improve software development processes. CMM... Read more »
What makes a good Software Test engineer?
A good test engineer has a ‘test to break’ attitude, an ability to take the point of view of the customer, a strong desire for quality, and an attention... Read more »
What is documentation change management?
Documentation change management is part of configuration management (CM). CM covers the tools and processes used to control, coordinate and track code, requirements,... Read more »
What is the role of documentation in QA?
Documentation plays a critical role in QA. QA practices should be documented, so that they are repeatable. Specifications, designs, business rules, inspection reports,... Read more »
How do you perform integration testing?
First, unit testing has to be completed. Upon completion of unit testing, integration testing begins. Integration testing is black box testing. The purpose of integration... Read more »
What is clear box testing?
Clear box testing is the same as white box testing. It is a testing approach that examines the application’s program structure, and derives test cases from... Read more »
What is closed box testing?
Closed box testing is same as black box testing. Black box testing a type of testing that considers only externally visible behavior. Black box testing considers... Read more »
What is open box testing?
Open box testing is same as white box testing. It is a testing approach that examines the application’s program structure, and derives test cases from the... Read more »
What is a translation unit?
JSP page can include the contents of other HTML pages or other JSP files. This is done by using the include directive. When the JSP engine is presented with such... Read more »
What are the lifecycle phases of a JSP?
JSP page looks like a HTML page but is a servlet. When presented with JSP page the JSP engine does the following 7 phases. 1. Page translation: -page is parsed,... Read more »
What does the JSP engine do when presented with a JavaServer Page to process?
The JSP engine builds a servlet. The HTML portions of the JavaServer Page become Strings transmitted to print methods of a PrintWriter object. The JSP tag portions... Read more »
Why would you want to have more than one catch block associated with a single try block in Java?
Since there are many things can go wrong to a single executed statement, we should have more than one catch(s) to catch any errors that might occur. Read more »
What are the most common techniques for reusing functionality in object-oriented systems?
The two most common techniques for reusing functionality in object-oriented systems are class inheritance and object composition. Class inheritance lets you define... Read more »