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1) Which method returns a reference to the currently executing thread object? a. currentThread() b. runningThread() c. runnableThread() d. None of the above
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2) If you import a package, subpackages will not be imported. a. True b. False
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3) Which keyword is used to make the classes and interface of another package accessible to the current package? a. Import b. Implements c. Instanceof d. None of the above
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4) Which access specifiers can be used for a class so that it’s members can be accessed by a different class in the different package? a. Private b. Public c. Protected d. None of the above
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5) The Object class is not a parent class of all the classes in java by default. a. True b. False
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6) Which is a superclass of all exception classes? a. Throwable b. Exception c. RuntimeException d. IOException
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7) The performance of the application will be faster if you use PreparedStatement interface because query is compiled only once. a. True b. False
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8) Which method is used to send the same request and response objects to another servlet in RequestDispacher ? a. forward() b. sendRedirect() c. Both A & B d. None of the above
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9) Servlets handle multiple simultaneous requests by using threads. a. True b. False
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10) Web server is used for loading the init() method of servlet. a. True b. False
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11) What is used to display the intermediate result in an interceptor? a. Params Interceptor b. Custom Interceptor c. ExecAndWait Interceptor d. Prepare Interceptor
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12) The workflow interceptor is used to get information about the error messages defined in the action class. a. True b. False
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13) EJB is like COM, Abbreviate the term COM? a. Component Object Model b. Component Oriented Model c. Common Object Model d. Common Oriented Model
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14) EJB is a specification for J2EE server, not a product; Java beans may be a graphical component in IDE. a. True b. False
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15) Which package is used for Remote Method Invocation (RMI)? a. java.lang.rmi b. java.lang.reflect c. java.applet d. java.rmi
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16) RMI is a server-side component; It is not required to be deployed on the server. a. True b. False
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17) JavaServer Pages often serve the same purpose as programs implemented using the Common Gateway Interface (CGI) a. True b. False
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18) How many jsp implicit objects are there and these objects are created by the web container that are available to all the jsp pages? a. 8 b. 9 c. 10 d. 7
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19) JSPs eventually are compiled into Java servlets, you can do as much with JSPs as you can do with Java servlets. a. True b. False
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20) The ResultSet.next method is used to move to the next row of the ResultSet, making it the current row. a. True b. False
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21) Drivers that are JDBC Compliant should normally support scrollable result sets, but they are not required to do so. a. True b. False
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22) An interface is a blueprint of a class. It has static constants and abstract methods. a. True b. False
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23) Which variables are created when an object is created with the use of the keyword 'new' and destroyed when the object is destroyed? a. Local variables b. Instance variables c. Class Variables d. Static variables
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24) Breaking a string or stream into meaningful independent words is known as tokenization. a. True b. False
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25) What can be accessed or inherited without actual copy of code to each program? a. Browser b. Applet c. Package d. None of the above
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26) Which provides accessibility to classes and interface? a. import b. Static import c. All the above d. None of the above
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27) If you are inserting any value in the wrong index as shown below, 1. int a[]=new int[5]; 2. a[10]=50; it would result in ______. a. NullPointerException b. ArrayIndexOutOfBoundsException c. ArithmeticException d. NumberFormatException
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28) Packages are used for distributing a collection of reusable classes, usually in a format known as Java Archive (JAR) file. a. True b. False
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29) Which is used to call the stored procedures and functions? a. CallableStatement Interface b. PreparedStatement Interface c. All the above d. None of the above
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30) Which interfaces provide methods for batch processing in JDBC? a. java.sql.Statement b. java.sql.PreparedStatement c. All the above d. None of the above
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