Explain the purpose of Marker Interface.When there is no methods in marker interface then what is the use of implementing it?
Latest Answer: Marker interfaces are also called "tag" interfaces since they tag all the derived classes into a category based on their purpose. For example, all classes that implement the Cloneable interface can be cloned (i.e., the clone() method can be ...
What are inter-process components and intra-process components?
The existing WebSphere architecture only allows internal users access to applications. You have recently been asked to provide a detailed solution, which will allow external users to access certain applications.
Latest Answer: Get logged in via Administrative User on Server & create that many users id with the access in Public scope. that will allow external users to access the application. ...
A client has logged a work request stating that he is unable to access an application hosted within the horizontally clustered production environment. Describe how you can confirm which application server
You are the new WebSphere Administrator for a company, and you are asked to migrate an existing application to an alternate environment. This application is managed by the Corporate Services group and
Latest Answer: For deployment of an application we need to have WAR & then EAR files generated.1) First we need to generate a war file..2) Secondly, using that war file we need to generate EAR File, which is finally deployable.3) Deploy on the ServerThats it! ...
Why do we use Swings even though we have AWT classes?
Latest Answer: Swing provides more functionality compare to AWT... ...
What are the main components and Modules of Spring?
Latest Answer: The modules in spring1.2 are core container, AOP, ORM, DAO, Context, WebMVC and Context. Modules in spring 2.0 are in addition to these modules some other modules came into picture. They are Remoting, Portlet MVC, JMS,JCA,JMX. ...
Is JDBC technology database independent or not?Why?
Latest Answer: It is database independent. Once you write the code for interaction with database you just need to change JDBC driver if the database changes. For oracle database use Oracle thin driver, for MYSQL use mysql JDBC etc... ...
How many THREAD PRIORITY LEVELS levels are there in JAVA
3810 1224
Latest Answer: The thread priority levels in terms of integer range from 1 to 10For max, min & medium priority we have the following:MAX_PRIORITY (value=10)NORM_PRIORITY (value=5)MIN_PRIORITY (value=0) ...
Why is that the final variable has to be intialized as soon as it is declare?
Latest Answer: when a variable is declared as final we cant change its value again. we use final variable to declare a constant so when we declare a variable as final and if we were allowed to not to give its value at the time of declaration it would not make sense ...
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