Object Oriented Programming Model Quiz

Both class Error and class Exception are children of this parent:

• A.Throwable

• B. Catchable

• C.Runnable

• D. Problem

What type of exception is thrown by parseInt() if it gets illegal data?

• A. ArithmeticException

• B. RunTimeException

• C.NumberFormatException

• D.NumberError

Which of the following lists exception types from MOST specific to LEAST specific?

• A.Error, Exception

• B. Exception, RunTimeException

• C.Throwable, RunTimeException

• D. ArithmeticException, RunTimeException

Which statement is true?

• A.If an exception is uncaught in a method, the method will terminate and normal execution will resume.

• B. An overriding method must declare that it throws the same exception classes as the method it overrides.

• C. The main() method of a program cannot declare that it throws checked exceptions.

• D.A method declaring that it throws a certain exception class may throw instances of any subclass of that exception class.

When is a finally{} block executed?

• A.Only when an unhandled exception is thrown in a try{} block.

• B. Only when any exception is thrown in a try{} block.

• C.Always after execution has left a try catch{} block, no matter for what reason

• D. Always just as a method is about to finish.

On occurrence of which of the following is it possible for a program to recover?

• A. Errors

• B. Exceptions

• C.Both errors and exceptions

• D. Neither

Which method should a non-abstract class implementing Runnable interface implement?

• A.start

• B. run

• C.runnable

• D.wait

Which one of the following statement is true?

• A.Thread.run() method is used to move a thread from a new state to the runnable state.

• B. Thread.runnable() method is used to move a thread from a new state to the runnable state.

• C.Thread.start() method is used to move a thread from a new state to the runnable state.

• D.Runnable interface declares the start method.

Which one of these events will cause a thread to die?

• A. On calling the sleep() method

• B. On calling the wait() method

• C. When the execution of the start() method ends

• D.When the execution of the run() method ends

Which one of the following method does not accept a timeout?

• A. join

• B. sleep

• C. wait

• D.start