JAVA Exceptions What happen in case of multiple catch blocks? Either super or subclass can be caught first. The superclass exception must be caught first. The superclass exception cannot caught first. None of these Either super or subclass can be caught first. The superclass exception must be caught first. The superclass exception cannot caught first. None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions try{ File f = new File("a.txt");}catch(Exception e){}catch(IOException io){}Is this code create new file name a.txt ? Compilation Error false None of these true Compilation Error false None of these true ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Exception generated in try block is caught in ........... block. finally catch throw throws finally catch throw throws 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 printName() Compilation succeed but no output Value-A Compilation fails-Exception NullPointerException is not compatible with throws clause in None of these Name-B printName() Compilation succeed but no output Value-A Compilation fails-Exception NullPointerException is not compatible with throws clause in None of these 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 2 and 4 1 and 2 2 and 3 3 and 4 1 and 4 2 and 4 1 and 2 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the output of the following piece of code:class Person{ public void talk() {}}public class Test{ public static void main(String args[]){ Person p = null; try{ p.talk(); } catch(NullPointerException e){ System.out.print("There is a NullPointerException. "); } catch(Exception e){ System.out.print("There is an Exception. "); } System.out.print("Everything went fine. "); }} There is a NullPointerException. There is an Exception. There is a NullPointerException. This code will not compile, because in Java there are no pointers. There is a NullPointerException. Everything went fine. There is a NullPointerException. There is an Exception. There is a NullPointerException. This code will not compile, because in Java there are no pointers. There is a NullPointerException. Everything went fine. ANSWER DOWNLOAD EXAMIANS APP
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