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");}}}

What will be the result after the class Test execution?class A{public

1.	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");}}}
A.	doCdoBdoA" is printed
B.	doAdoBdoC" is printed
C.	doBdoAerror" is printed
D.	error" is printed
E.	othing is printed
Answer» E. othing is printed

Discussion

No Comment Found

Related MCQs

and given that all methods of class , including , throw an , which of these is true?
Which four can be thrown using the throw statement?
and given that and are both subclasses of , and further assuming this block of code is placed into a class, which statement is most true concerning this code?
What is the output of this program?public class Exec_Handling_Example { public static void main(String args[]) { try { int k, n; n = 5; for (k = -2; k < 2 ;++k) { n = (n / k); System.out.print(k); } } catch(ArithmeticException e) { System.out.print("0"); } } }
What is the output of this program?public class Exep_Handling_Example { public static void main(String args[]) { try { int p, q; p = 0; q = 15/p; } catch(ArithmeticException e) { System.out.print("Welcome to "); } finally { System.out.print("Interview Mania"); } } }
What is the output of this program?public class Null_Pointer_Exception { public static void main(String args[]) { try { System.out.print("First"); throw new NullPointerException ("Interview Mania"); } catch(ArithmeticException e) { System.out.print("Second"); } } }
What is the output of this program?public class Array_Exception { public static void main(String args[]) { try { int p = args.length; int q = 12 / p; System.out.print(p); try { if (p == 1) p = p / p - p; if (p == 2) { int []s = {1}; s[10] = 8; } } catch (ArrayIndexOutOfBoundException e) { System.out.println("First"); } } catch (ArithmeticException e) { System.out.println("Second"); } } }
What is the output of this program?public class Result { public static void main(String args[]) { try { int p = 2; int q = 9; int s = p / q; System.out.print("First"); } catch(Exception e) { System.out.print("Second"); } } }
What is the output of this program?public class Without_Catch{ public static void main(String args[]) { try { System.out.print("Interview Mania "); } finally { System.out.println("Finally executed.. "); } }}
What is the output of this program?public class Finally_Example { public static void main(String[] args) { try { return; } finally { System.out.println( "Finally block executed..." ); } } }

Discussion

No Comment Found

Related MCQs

Reply to Comment