Quiz 4 - Bce Repeaters

10 Questions | By Aamirakbar2 | Updated: Dec 11, 2014 | Attempts: 71

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Exception Handling, Interfaces, MultiThreading

Questions and Answers

1.

Let’s say we want to read a file and display its contents on the screen. Let’s assume the file is located on a remote server and during the process of reading it, the connection goes down. In this case, we have an _______
- A.
  
  Compile time error
- B.
  
  Logical error
- C.
  
  Syntax error
- D.
  
  Exception
2.

Exception handling is a mechanism, which allows exceptions to be ____ and _____
- A.
  
  Compile, caught
- B.
  
  Compile, try
- C.
  
  Try, thrown
- D.
  
  Thrown, caught
3.

Try{ // Some code that may throw an exception}catch (ExceptionType objectName){ // Code handling an Exception}Within the try block we put the code that could throw exceptions.
- A.
  
  True
- B.
  
  False
4.

Which of these can be used to fully abstract a class from its implementation?
- A.
  
  Objects
- B.
  
  Packages
- C.
  
  Interfaces
- D.
  
  None
5.

Which of the following is correct way of implementing an interface salary by class manager?
- A.
  
  Class manager extends salary {}
- B.
  
  Class manager implements salary {}
- C.
  
  Class manager imports salary {}
- D.
  
  None of the mentioned.
6.

Private access specifiers can be used for an interface
- A.
  
  True
- B.
  
  False
7.

Which of these class is used to make a thread?
- A.
  
  String
- B.
  
  Thread
- C.
  
  System
- D.
  
  Runnable
8.

Which of these interface is implemented by Thread class?
- A.
  
  Runnable
- B.
  
  Connections
- C.
  
  None
- D.
  
  Both a and B
9.

Which of these method of Thread class is used to Suspend a thread for a period of time?
- A.
  
  Terminate()
- B.
  
  Suspend()
- C.
  
  Sleep()
- D.
  
  Stop()
10.

Every thread including main thread starts execution from run() method.
- A.
  
  True
- B.
  
  False