1) In Method overriding a subclass in a different package can only override the non-final methods declared public or protected
a. True
b. False
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Answer
Explanation
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ANSWER: True
Explanation:
No explanation is available for this question!
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2) The following two rules are defined by?
1. The parameters may differ in their type or number, or in both.
2. They may have the same or different return types.
a. Method overloading
b. Method overriding
c. Constructor overloading
d. None of the above
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Answer
Explanation
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ANSWER: Method overloading
Explanation:
No explanation is available for this question!
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3) Which allows you to migrate your implementations over time without breaking the code that depends on the public interface of your classes?
a. Polymorphism
b. Inheritance
c. Encapsulation
d. Both A & B
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Answer
Explanation
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ANSWER: Encapsulation
Explanation:
No explanation is available for this question!
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4) Which is used for writing data to a file in file handling?
a. FileInputStream
b. FileOutputStream
c. Both A & B
d. None of the above
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Answer
Explanation
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ANSWER: FileOutputStream
Explanation:
No explanation is available for this question!
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5) In which state is the thread after invocation of start() method, but the thread Scheduler has not selected it to be the running thread?
a. Running
b. Runnable
c. Terminated
d. Non-Runnable
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Answer
Explanation
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ANSWER: Runnable
Explanation:
No explanation is available for this question!
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6) Which package is used for analyzing code during run time?
a. java.lang.reflect
b. java.awt
c. java.io
d. java.applet
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Answer
Explanation
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ANSWER: java.lang.reflect
Explanation:
No explanation is available for this question!
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7) The JDK forms an extended subset of a software development kit (SDK)
a. True
b. False
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Answer
Explanation
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ANSWER: True
Explanation:
No explanation is available for this question!
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8) Which mechanism is provided to handle the runtime errors so that normal flow of the application can be maintained?
a. Exception Handling
b. String Handling
c. Event Handling
d. None of the above
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Answer
Explanation
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ANSWER: Exception Handling
Explanation:
No explanation is available for this question!
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9) Constructor does not perform other tasks instead of initialization
a. True
b. False
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Answer
Explanation
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ANSWER: False
Explanation:
No explanation is available for this question!
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10) In java, Method Overloading is possible by changing the return type of the method
a. True
b. False
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Answer
Explanation
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ANSWER: False
Explanation:
No explanation is available for this question!
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11) Garbage collection only occurs sporadically during the execution of your program
a. True
b. False
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Answer
Explanation
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ANSWER: True
Explanation:
No explanation is available for this question!
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12) Which driver uses ODBC driver to connect to the database?
a. JDBC-ODBC bridge driver
b. Native - API driver
c. Network Protocol driver
d. Thin driver
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Answer
Explanation
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ANSWER: JDBC-ODBC bridge driver
Explanation:
No explanation is available for this question!
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13) In HTTP Request method Get request is secured because data is exposed in URL bar
a. True
b. False
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Answer
Explanation
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ANSWER: False
Explanation:
No explanation is available for this question!
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14) How many techniques are used in Session Tracking?
a. 4
b. 3
c. 2
d. 5
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Answer
Explanation
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ANSWER: 4
Explanation:
No explanation is available for this question!
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15) Which of these simplifies an Object Relational Mapping tool?
a. Data creation
b. Data manipulation
c. Data access
d. All mentioned above
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Answer
Explanation
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ANSWER: All mentioned above
Explanation:
No explanation is available for this question!
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16) The struts 2 framework is used to develop MVC-based web application
a. True
b. False
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Answer
Explanation
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ANSWER: True
Explanation:
No explanation is available for this question!
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17) Which middleware services are provided by EJB?
a. Security
b. Transaction Management
c. Both A & B
d. None of the above
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Answer
Explanation
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ANSWER: Both A & B
Explanation:
No explanation is available for this question!
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18) In RMI which layer defines and supports the invocation semantics of the RMI connection and this layer maintains the session during the method call?
a. The Stub & Skeleton Layer
b. The Application Layer
c. The Remote Reference Layer
d. The Transport Layer
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Answer
Explanation
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ANSWER: The Remote Reference Layer
Explanation:
No explanation is available for this question!
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19) A JSP page consists of which tags?
a. HTML tags
b. JSP tags
c. Both A & B
d. None of the above
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Answer
Explanation
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ANSWER: Both A & B
Explanation:
No explanation is available for this question!
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20) The JDBC API is what allows access to a data source from a Java middle tier
a. True
b. False
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Answer
Explanation
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ANSWER: True
Explanation:
No explanation is available for this question!
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21) Which is invoked after the init() method or browser is maximized?
a. public void start()
b. public void paint(Graphics g)
c. Public void stop()
d. Public void init()
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Answer
Explanation
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ANSWER: public void start()
Explanation:
No explanation is available for this question!
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22) Which class provides many methods for graphics programming?
a. java.awt
b. java.Graphics
c. java.awt.Graphics
d. None of the above
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Answer
Explanation
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ANSWER: java.awt.Graphics
Explanation:
No explanation is available for this question!
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23) StringTokenizer implements the Enumeration interface
a. True
b. False
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Answer
Explanation
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ANSWER: True
Explanation:
No explanation is available for this question!
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24) What does the java.net.InetAddress class represent?
a. Socket
b. IP Address
c. Protocol
d. MAC Address
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Answer
Explanation
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ANSWER: IP Address
Explanation:
No explanation is available for this question!
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25) Datagram is basically an information but there is no guarantee of its content, arrival or arrival time.
a. True
b. False
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Answer
Explanation
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ANSWER: True
Explanation:
No explanation is available for this question!
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