Advanced Java Set 3

Bachelor of Business Administration in Computer Applications (BBA [CA]),

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This set of Advanced JAVA Multiple Choice Questions & Answers (MCQs) focuses on Advanced Java Set 3

Q1 | Which of these variables stores the number of hits that are successfully servedout of cache?
  • hits
  • hitstocache
  • hits_to_cache
  • hits.to.cache
Answer: hits.to.cache
Q2 | Which of these method of httpd class is used to write UrlCacheEntry object intolocal disk?
  • writediskcache()
  • writetodisk()
  • writecache()
  • writediskentry()
Answer: writediskcache()
Q3 | Which of these is an instance variable of class httpd?
  • port
  • cache
  • log
  • all of the mentioned
Answer: all of the mentioned
Q4 | Which of these is an instance variable of httpd that is a Hashtable?
  • port
  • cache
  • log
  • stopflag
Answer: log
Q5 | Which of these exception is thrown by URL class’s constructors?
  • urlnotfound
  • urlsourcenotfound
  • malformedurlexception
  • urlnotfoundexception
Answer: malformedurlexception
Q6 | Which of these methods is used to know host of an URL?
  • host()
  • gethost()
  • gethost()
  • gethost()
Answer: gethost()
Answer: gethost()
Answer: gethost()
Q7 | Which of these methods is used to know the full URL of an URL object?
  • fullhost()
  • gethost()
  • externalform()
  • toexternalform()
Answer: toexternalform()
Q8 | Which of these class is used to access actual bits or content information of aURL?
  • url
  • urldecoder
  • urlconnection
  • all of the mentioned
Answer: all of the mentioned
Q9 | Which object of HttpSession can be used to view and manipulate informationabout a session?
  • session identifier
  • creation time
  • last accessed time
  • all mentioned above
Answer: all mentioned above
Q10 | Which of these ways used to communicate from an applet to servlet?
  • rmi communication
  • http communication
  • socket communication
  • all mentioned above
Answer: all mentioned above
Q11 | Which methods are used to bind the objects on HttpSession instance andgetthe objects?
  • setattribute
  • getattribute
  • both a & b
  • none of the above
Answer: both a & b
Q12 | Which type of ServletEngine is a server that includes built-in support forservlets?
  • add-on servletengine
  • embedded servletengine
  • standalone servletengine
  • none of the above
Answer: standalone servletengine
Q13 | What type of servlets use these methods doGet(), doPost(),doHead, doDelete(),doTrace()?
  • genereic servlets
  • httpservlets
  • all of the above
  • none of the above
Answer: httpservlets
Q14 | Which cookie it is valid for single session only and it is removed each timewhen the user closes the browser?
  • persistent cookie
  • non-persistent cookie
  • all the above
  • none of the above
Answer: non-persistent cookie
Q15 | Which action tags are used in JSP for developing web application with JavaBean?
  • jsp:usebean
  • jsp:setproperty
  • jsp:getproperty
  • both b & c
Answer: both b & c
Q16 | Which technology do we mix our business logic with the presentation logic?
  • servlet
  • jsp
  • both a & b
  • none of the above
Answer: servlet
Q17 | Which tag is used to execute java source code in JSP?
  • declaration tag
  • scriptlet tag
  • expression tag
  • none of the above
Answer: scriptlet tag
Q18 | Which JSP Action tags is used to include the content of another resource,itMay be jsp, html or servlet?
  • jsp:include
  • jsp:forward
  • jsp:plugin
  • jsp:papam
Answer: jsp:include
Q19 | In JSP how many ways are there to perform exception handling?
  • 3
  • 2
  • 4
  • 5
Answer: 2
Q20 | In JSP page directive which attribute defines theMIME(MultipurposeInternet Mail Extension) type of the HTTP response?
  • import
  • content type
  • extends
  • info
Answer: content type
Q21 | A JSP page consists of which tags?
  • html tags
  • jsp tags
  • both a & b
  • none of the above
Answer: both a & b
Q22 | What alternatives exist to embedding Java code directly within the HTMLmarkup of your JSP page?
  • moving the code into your session manager.
  • moving the code into scriptlets.
  • moving the code into javabeans and servlets.
  • moving the code into a transaction manager.
Answer: moving the code into javabeans and servlets.
Q23 | What type of scriptlet code is better-suited to being factored forward into aservlet?
  • code that deals with logic that is common across requests.
  • code that deals with logic that is vendor specific)
  • code that deals with logic that relates to database access.
  • code that deals with logic that relates to client scope.
Answer: code that deals with logic that is common across requests.
Q24 | URL encoding is the method of replacing all the spaces and other extracharacters into their corresponding _______ Characters?
  • hex
  • binary
  • octal
  • decimal
Answer: hex
Q25 | Which of the scripting of JSP not putting content into service method of theconverted servlet?
  • declarations
  • scriptlets
  • expressions
  • none of the above
Answer: declarations
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