Java File Handling and Environment Variables Quiz
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Questions and Answers

What does the FileWriterfw = new FileWriter (File Descriptor ); line of code do?

  • Creates a FileWriter object with a file descriptor (correct)
  • Creates a FileReader object
  • Returns the content of a file descriptor
  • Creates a FileWriter object without specifying a file descriptor

Which environment variable provides information about the root directory of TOMCAT?

  • CATALINA_HOME (correct)
  • Java HOME
  • CLASSPATH
  • PATH

What is the ID that is transmitted between the client and the server in Java applications?

  • Network ID
  • Server ID
  • Session ID (correct)
  • None of these

How is an event represented in Java?

<p>Object (B)</p> Signup and view all the answers

In Java, what does 'getId()' method return?

<p>Unique ID (D)</p> Signup and view all the answers

Which of the following is NOT true about JavaBean?

<p>It must not have any zero argument constructor. (C)</p> Signup and view all the answers

What type of data is kept at the application server?

<p>Both dynamic and static (B)</p> Signup and view all the answers

Which tag is considered the Special JSP tag?

<p>(A)</p> Signup and view all the answers

Which method provides different ServletContext objects to different Servlets during different sessions?

<p>init() (A)</p> Signup and view all the answers

What tag is used to define initialization parameters value of a servlet?

<p>(D)</p> Signup and view all the answers

In Session Tracking, states are maintained by the mutual cooperation of client and ___________.

<p>Browser (C)</p> Signup and view all the answers

Which method returns HttpSession object in Java?

<p>HttpServletRequest (D)</p> Signup and view all the answers

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