JAVA Exceptions Which keyword is used to explicitly throw an exception? catch try throw throwing catch try throw throwing ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which exception is thrown when divide by zero statement executes? NumberFormatException NullPointerException ArithmeticException None of these NumberFormatException NullPointerException ArithmeticException None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions 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(); }} Name-B None of these Compilation fails-Exception NullPointerException is not compatible with throws clause in printName() Compilation succeed but no output Value-A Name-B None of these Compilation fails-Exception NullPointerException is not compatible with throws clause in printName() Compilation succeed but no output Value-A ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the result if NullPointerException occurs at line 2?1. try{2. //some code goes here3. }4. catch(NullPointerException ne){5. System.out.print("1 ");6. }7. catch(RuntimeException re){8. System.out.print("2 ");9. }10. finally{11. System.out.print("3");12. } 1 3 2 3 3 1 1 2 3 1 3 2 3 3 1 1 2 3 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 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 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions 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"); } }} The program will return without printing anything inCatchBlock inFinallyBlock inCatchBlock inFinallyBlock The program will return without printing anything inCatchBlock inFinallyBlock inCatchBlock inFinallyBlock ANSWER DOWNLOAD EXAMIANS APP