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 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"); } }} "error" is printed "doCdoBdoA" is printed "doBdoAerror" is printed "doAdoBdoC" is printed nothing is printed "error" is printed "doCdoBdoA" is printed "doBdoAerror" is printed "doAdoBdoC" is printed nothing is printed 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(). 2 and 3 1 and 4 2 and 4 3 and 4 1 and 2 2 and 3 1 and 4 2 and 4 3 and 4 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Determine output of the following program code?public class Test{ public static void main(String args[]){ int i; try{ i = calculate(); System.out.println(i); }catch(Exception e){ System.out.println("Error occured"); } } static int calculate(){ return (7/2); }} 3.5 Error occured Compilation Error None of these 3 3.5 Error occured Compilation Error None of these 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions public class Test{ public static void main(String args[]){ try{ int a = Integer.parseInt("four"); } }}Which exception could be handled by the catch block for above? IllegalStateException ArrayIndexOutOfBoundsException None of these ClassCastException NumberFormatException IllegalStateException ArrayIndexOutOfBoundsException None of these ClassCastException NumberFormatException 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); }} Prints out: Finally None of these Prints out: Exception Finally Prints out: Exception Compile with error Prints out: Finally None of these Prints out: Exception Finally Prints out: Exception Compile with error ANSWER DOWNLOAD EXAMIANS APP
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