JAVA Exceptions What happen in case of multiple catch blocks? The superclass exception cannot caught first. Either super or subclass can be caught first. The superclass exception must be caught first. None of these The superclass exception cannot caught first. Either super or subclass can be caught first. The superclass exception must be caught first. 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(); }} None of these Compilation fails-Exception NullPointerException is not compatible with throws clause in Name-B Compilation succeed but no output Value-A printName() None of these Compilation fails-Exception NullPointerException is not compatible with throws clause in Name-B Compilation succeed but no output Value-A printName() ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which keyword is used to specify the exception thrown by method? throws catch finally throw throws catch finally throw 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"); } }} "null pointer exception" is printed. None of these Compilation fails saying NullPointerException has already been caught. "exception" is printed. "one" is printed. "null pointer exception" is printed. None of these Compilation fails saying NullPointerException has already been caught. "exception" is printed. "one" 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(). 1 and 4 2 and 3 3 and 4 2 and 4 1 and 2 1 and 4 2 and 3 3 and 4 2 and 4 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions In which of the following package Exception class exist? java.file java.net java.util java.lang java.io java.file java.net java.util java.lang java.io ANSWER DOWNLOAD EXAMIANS APP