Java/Spring Technical Questions
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- 1.
Characteristics of an array include:
- A.
Fast random access
- B.
Fast random insertion and deletion
- C.
Fixed Size
- D.
(A) and (B)
Correct Answer
C. Fixed Size -
- 2.
Java approximates multiple inheritance through the existence of ...
- A.
Abstract Class
- B.
Interface
- C.
Static
- D.
Encapsulation
Correct Answer
B. Interface -
- 3.
A method must catch or declare to be thrown which of the following?
- A.
Error
- B.
Exception
- C.
Runtime Exception
- D.
None of the above
Correct Answer
B. Exception -
- 4.
The container provides which of the below services
- A.
Transaction management
- B.
Security
- C.
Database connection pooling
- D.
Resource management
- E.
All of the above
Correct Answer
E. All of the above -
- 5.
Front controller in Spring MVC is
- A.
Dispatcher
- B.
DispatcherServlet
- C.
Org.springframework.web.servlet.DispatcherServlet
- D.
FrontControllerServlet
Correct Answer
C. Org.springframework.web.servlet.DispatcherServlet -
- 6.
Type of Injection mechanism that Spring supports
- A.
Setter
- B.
Method
- C.
Constructor
- D.
A & C
Correct Answer
D. A & C -
- 7.
Choose the bean scopes in spring framework
- A.
Singleton
- B.
Session
- C.
Container
- D.
A and B
Correct Answer
D. A and B -
- 8.
What is the output of the following program? class Array { public static void main(String[] args) { int length = 100; int[] d = new int[length]; for (int index = 0; index < length; index++) System.out.println(d[index]); } }
- A.
The code will not compile because the int[] array is not declared correctly.
- B.
The code will compile but will throw an IndexArrayOutOfBoundsException when it runs and and nothing will appear in the standard output
- C.
The code will display the numbers 0 through 99 in the standard output, and then throw an IndexOutOfBoundsException
- D.
This code will work fine and display 100 zeroes in the standard output
Correct Answer
D. This code will work fine and display 100 zeroes in the standard output -
- 9.
Choose the class that implements List interface
- A.
Vector
- B.
HashTable
- C.
HashList
- D.
HashMap
Correct Answer
A. Vector -
- 10.
Which collection supports Random Access (not too many add or remove)
- A.
ArrayList
- B.
LinkedList
- C.
Vector
- D.
None of the above
Correct Answer
A. ArrayList -
- 11.
Which method sends the request to the browser
- A.
SendRedirect()
- B.
Forward()
- C.
DoGet()
- D.
DoPost()
Correct Answer
A. SendRedirect() -
- 12.
Using Servlet Filter one can modify the request and response
- A.
True
- B.
False
Correct Answer
A. True -
- 13.
Action taken by an aspect at a particular join point is Advice
- A.
True
- B.
False
Correct Answer
A. True -
- 14.
How would you make a copy of an entire Java object with its state?
Correct Answer
Implement Cloneable Interface - 15.
Iterator is a class
- A.
True
- B.
False
Correct Answer
B. False -
- 16.
Example of Last-in-first-out rule (LIFO) is
Correct Answer
Stack
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Aug 21, 2013Quiz Edited by
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Aug 19, 2013Quiz Created by
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