JAVA Exceptions The class at the top of exception class hierarchy is ................. ArithmeticException Throwable Exception Object ArithmeticException Throwable Exception Object 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(). 3 and 4 1 and 4 1 and 2 2 and 4 2 and 3 3 and 4 1 and 4 1 and 2 2 and 4 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. catch finally throws throw catch finally throws throw ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which exception is thrown when divide by zero statement executes? NumberFormatException None of these NullPointerException ArithmeticException NumberFormatException None of these NullPointerException ArithmeticException 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 nothing is printed "doAdoBdoC" is printed "doBdoAerror" is printed "doCdoBdoA" is printed "error" is printed nothing is printed "doAdoBdoC" is printed "doBdoAerror" is printed ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the result of executing the following code?public class Test{ public void divide(int a, int b){ try{ int c = a / b; }catch(Exception e){ System.out.print("Exception "); }finally{ System.out.println("Finally"); } public static void main(String args[]){ Test t = new Test(); t.divide(0,3); }} None of these Prints out: Finally Compile with error Prints out: Exception Prints out: Exception Finally None of these Prints out: Finally Compile with error Prints out: Exception Prints out: Exception Finally ANSWER DOWNLOAD EXAMIANS APP
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