The class at the top of exception class hierarchy is ................. Exception ArithmeticException Object Throwable TRUE ANSWER : ? YOUR ANSWER : ?
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. B and D A and B A and C A and D B and C TRUE ANSWER : ? YOUR ANSWER : ?
Which exception is thrown when an array element is accessed beyond the array size? ArrayIndexOutOfBoundsException ArrayElementOutOfBounds ArrayIndexOutOfBounds None of these TRUE ANSWER : ? YOUR ANSWER : ?
What will be the output of the following piece of code:class Person{ public void talk() {}}public class Test{ public static void main(String args[]){ Person p = null; try{ p.talk(); } catch(NullPointerException e){ System.out.print("There is a NullPointerException. "); } catch(Exception e){ System.out.print("There is an Exception. "); } System.out.print("Everything went fine. "); }} This code will not compile, because in Java there are no pointers. There is a NullPointerException. There is an Exception. There is a NullPointerException. Everything went fine. There is a NullPointerException. TRUE ANSWER : ? YOUR ANSWER : ?
Predict the output:public class Test{ public static void main(String args[]){ try{ String arr[] = new String[10]; arr = null; arr[0] = "one"; System.out.print(arr[0]); }catch(Exception ex){ System.out.print("exception"); }catch(NullPointerException nex){ System.out.print("null pointer exception"); } }} Compilation fails saying NullPointerException has already been caught. "one" is printed. "exception" is printed. "null pointer exception" is printed. None of these TRUE ANSWER : ? YOUR ANSWER : ?
What happen in case of multiple catch blocks? The superclass exception cannot caught first. Either super or subclass can be caught first. The superclass exception must be caught first. None of these TRUE ANSWER : ? YOUR ANSWER : ?
What will be the output?class MyClass{ public String test(){ try{ System.out.print("One"); return ""; } finally{ System.out.print("Two"); } }}public class Test{ public static void main(String args[]){ MyClass m = new MyClass(); m.test(); }} None of these Compilation Error One One Two Two TRUE ANSWER : ? YOUR ANSWER : ?
Which exception is thrown when divide by zero statement executes? ArithmeticException None of these NullPointerException NumberFormatException TRUE ANSWER : ? YOUR ANSWER : ?
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 1 3 3 1 2 3 TRUE ANSWER : ? YOUR ANSWER : ?
Exception generated in try block is caught in ........... block. finally throw catch throws TRUE ANSWER : ? YOUR ANSWER : ?