The class at the top of exception class hierarchy is ................. Exception Throwable ArithmeticException Object 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"); } }} "doAdoBdoC" is printed nothing is printed "doCdoBdoA" is printed "error" is printed "doBdoAerror" is printed TRUE ANSWER : ? YOUR ANSWER : ?
Which exception is thrown when an array element is accessed beyond the array size? ArrayElementOutOfBounds ArrayIndexOutOfBoundsException None of these ArrayIndexOutOfBounds 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 inCatchBlock inFinallyBlock inFinallyBlock TRUE ANSWER : ? YOUR ANSWER : ?
What happen in case of multiple catch blocks? The superclass exception cannot caught first. The superclass exception must be caught first. Either super or subclass can be caught first. None of these TRUE ANSWER : ? YOUR ANSWER : ?
In which of the following package Exception class exist? java.lang java.io java.file java.net java.util TRUE ANSWER : ? YOUR ANSWER : ?
Given the code. What is the result when this program is executed?public class Test{ static int x[]; static{ x[0] = 1; } public static void main(String args[]){ }} StackOverflowException is thrown ArrayIndexOutOfBoundsException is thrown None of these IllegalStateException is thrown ExceptionInInitializerError is thrown TRUE ANSWER : ? YOUR ANSWER : ?
What is the output for the below code ?import java.io.FileNotFoundException;class A{ public void printName() throws FileNotFoundException{ System.out.println("Value-A"); }}class B extends A{ public void printName() throws NullPointerException{ System.out.println("Name-B"); }}public class Test{ public static void main (String[] args) throws Exception{ A a = new B(); a.printName(); }} Value-A Name-B None of these Compilation succeed but no output printName() Compilation fails-Exception NullPointerException is not compatible with throws clause in TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following blocks execute compulsorily whether exception is caught or not. finally catch throws throw 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 C A and D A and B B and C TRUE ANSWER : ? YOUR ANSWER : ?