Exception Handling in Java - Questions and Answers for Java Examinations

Questions

6 When the JVM runs out of memory, which exception will be thrown?

A MemoryBoundException

B OutOfMemoryError

C OutOfRangeException

D NullReferenceException

Answer: Option [B]

When a program is stopped due to lack of memory then OutOfMemoryError is thrown.

7 In Java programming environment, the throw keyword is used

A to generate exception programmatically

B to throw exception object

C to catch exception object

D none of the above

Answer: Option [A]

In Java throw keyword is used to handle exception programmatically.

8 Which exception is thrown by read() method ?

A Exception

B FileNotFoundException

C ReadException

D IOException

Answer: Option [D]

IOException is thrown when I/O operation is failed.

9 Attempting to access a character that is outside the bounds of a StringBuffer results in a

A ArrayIndexOutOfBoundsException

B StringOverFlowException

C StringException

D StringIndexOutOfBoundsException

Answer: Option [D]

10 Exception and Error are immediate subclasses of a class called

A Object

B Throwable

C AWT

D Panel

Answer: Option [B]

Throwable is a superclass of all Error and Exception classes.

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