JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. throws catch throw finally throws catch throw finally ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions 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"); } }} "doCdoBdoA" is printed "error" is printed "doBdoAerror" is printed nothing is printed "doAdoBdoC" is printed "doCdoBdoA" is printed "error" is printed "doBdoAerror" is printed nothing is printed "doAdoBdoC" is printed ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions 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 C B and D A and B A and D B and C A and C B and D A and B A and D B and C ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Given the following piece of code:class SalaryCalculationException extends Exception{}class Person{ public void calculateSalary() throws SalaryCalculationException{ //... throw new SalaryCalculationException(); //... }}class Company{ public void paySalaries(){ new Person().calculateSalary(); }}Which of the following statements is correct?1. This code will compile without any problems.2. This code will compile if in method paySalaries() we return a boolean in stead of void.3. This code will compile if we add a try-catch block in paySalaries().4. This code will compile if we add throws SalaryCalculationException in the signature of method paySalaries(). 1 and 4 3 and 4 2 and 3 1 and 2 2 and 4 1 and 4 3 and 4 2 and 3 1 and 2 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What happen in case of multiple catch blocks? Either super or subclass can be caught first. The superclass exception cannot caught first. The superclass exception must be caught first. None of these Either super or subclass can be caught first. The superclass exception cannot caught first. The superclass exception must be caught first. None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions The class at the top of exception class hierarchy is ................. ArithmeticException Object Exception Throwable ArithmeticException Object Exception Throwable ANSWER DOWNLOAD EXAMIANS APP