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 2
1 and 4
2 and 4
3 and 4
2 and 3

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
Compilation succeed but no output
None of these
printName()
Compilation fails-Exception NullPointerException is not compatible with throws clause in
Value-A

ANSWER DOWNLOAD EXAMIANS APP

JAVA Exceptions
Predict the output:public class Test{ public static void main(String args[]){ try{ String arr[] = new String[10]; arr = null; arr[0] = "one"; System.out.print(arr[0]); }catch(Exception ex){ System.out.print("exception"); }catch(NullPointerException nex){ System.out.print("null pointer exception"); } }}

None of these
"one" is printed.
Compilation fails saying NullPointerException has already been caught.
"exception" is printed.
"null pointer exception" is printed.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON JAVA Exceptions