Java J2EE Question and Answers

5. Are JavaBeans J2EE components?
 
  • No. Java Beans components are not considered J2EE component by the J2EE specification.
  • They are written to manage the data flow between an application client or applet and components running on the J2EE server or between server components and a database.
  • Java Beans components written for the J2EE platform have instance variables and get and set methods for accessing the data in the instance variables.
  • Java Beans components used in this way are typically simple in design and implementation, but should conform to the naming and design conventions outlined in the Java Beans component architecture.
 
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6. What is Java Beans component?
 
  • A java class can be maintained by tools and composed into applications.
  • A Java Beans component must adhere to certain property and event interface conventions.
 
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7. What is CORBA?
 
  • Common Object Request Broker Architecture.
  • A language independent distributed object model specified by the OMG.
 
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8. What is web component?
  A component that provides services in response to requests; either a servlet or a JSP page.
 
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