JAVA EXCEPTIONS QUIZ

Which of the below statement is/are true about Error?A. An Error is a subclass of Throwable.B. An Error is a subclass of Exception.C. Error indicates serious problems that a reasonable application should not try to catch.D. An Error is a subclass of IOException.

A and B

B and C

A and C

B and D

A and D

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What will be the result if NullPointerException occurs at line 2?1. try{2. //some code goes here3. }4. catch(NullPointerException ne){5. System.out.print("1 ");6. }7. catch(RuntimeException re){8. System.out.print("2 ");9. }10. finally{11. System.out.print("3");12. }

1 2 3

2 3

1

1 3

3

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What is the output of the following program code?public class Test{ public static void main(String args[]){ try{ int i; return; } catch(Exception e){ System.out.print("inCatchBlock"); } finally{ System.out.println("inFinallyBlock"); } }}

inFinallyBlock

The program will return without printing anything

inCatchBlock

inCatchBlock inFinallyBlock

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Determine output of the following program code?public class Test{ public static void main(String args[]){ int i; try{ i = calculate(); System.out.println(i); }catch(Exception e){ System.out.println("Error occured"); } } static int calculate(){ return (7/2); }}

Error occured

Compilation Error

3

None of these

3.5

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Which exception is thrown when an array element is accessed beyond the array size?

ArrayElementOutOfBounds

ArrayIndexOutOfBounds

None of these

ArrayIndexOutOfBoundsException

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What will be the result of executing the following code?public class Test{ public void divide(int a, int b){ try{ int c = a / b; }catch(Exception e){ System.out.print("Exception "); }finally{ System.out.println("Finally"); } public static void main(String args[]){ Test t = new Test(); t.divide(0,3); }}

Prints out: Exception

Compile with error

None of these

Prints out: Finally

Prints out: Exception Finally

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try{ File f = new File("a.txt");}catch(Exception e){}catch(IOException io){}Is this code create new file name a.txt ?

None of these

Compilation Error

false

true

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Which exception is thrown when divide by zero statement executes?

NullPointerException

NumberFormatException

ArithmeticException

None of these

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In which of the following package Exception class exist?

java.util

java.net

java.io

java.lang

java.file

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Which keyword is used to explicitly throw an exception?

catch

throwing

throw

try

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