Which of the following blocks execute compulsorily whether exception is caught or not. throws throw finally catch 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. "); }} There is a NullPointerException. There is an Exception. This code will not compile, because in Java there are no pointers. There is a NullPointerException. Everything went fine. There is a NullPointerException. 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 after the class Test execution?class A{ public void doA(){ B b = new B(); b.dobB(); System.out.print("doA"); }}class B{ public void dobB(){ C c = new C(); c.doC(); System.out.print("doB"); }}class C{ public void doC(){ if(true) throw new NullPointerException(); System.out.print("doC"); }}public class Test{ public static void main(String args[]){ try{ A a = new A(); a.doA(); }catch(Exception ex){ System.out.print("error"); } }} "doBdoAerror" is printed "error" is printed "doAdoBdoC" is printed "doCdoBdoA" is printed nothing is printed 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(); }} Compilation Error One Two None of these Two One 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. } 2 3 3 1 1 3 1 2 3 TRUE ANSWER : ? YOUR ANSWER : ?
The class at the top of exception class hierarchy is ................. Exception Throwable Object ArithmeticException TRUE ANSWER : ? YOUR ANSWER : ?
Which exception is thrown when an array element is accessed beyond the array size? None of these ArrayIndexOutOfBoundsException ArrayIndexOutOfBounds ArrayElementOutOfBounds TRUE ANSWER : ? YOUR ANSWER : ?
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"); } }} inCatchBlock The program will return without printing anything inFinallyBlock inCatchBlock inFinallyBlock 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. A and D A and B B and D B and C A and C TRUE ANSWER : ? YOUR ANSWER : ?