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. "one" is printed. Compilation fails saying NullPointerException has already been caught. None of these "exception" is printed. "null pointer exception" is printed. "one" is printed. Compilation fails saying NullPointerException has already been caught. None of these "exception" is printed. 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(); }} Compilation fails-Exception NullPointerException is not compatible with throws clause in printName() Compilation succeed but no output None of these Name-B Value-A Compilation fails-Exception NullPointerException is not compatible with throws clause in printName() Compilation succeed but no output None of these Name-B Value-A 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 a NullPointerException. Everything went fine. There is a NullPointerException. There is an Exception. This code will not compile, because in Java there are no pointers. There is a NullPointerException. There is a NullPointerException. Everything went fine. There is a NullPointerException. There is an Exception. This code will not compile, because in Java there are no pointers. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Exception generated in try block is caught in ........... block. throw catch finally throws throw catch finally throws ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which exception is thrown when an array element is accessed beyond the array size? ArrayIndexOutOfBounds None of these ArrayIndexOutOfBoundsException ArrayElementOutOfBounds ArrayIndexOutOfBounds None of these ArrayIndexOutOfBoundsException ArrayElementOutOfBounds 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 4 1 and 4 2 and 3 1 and 2 3 and 4 2 and 4 1 and 4 2 and 3 1 and 2 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
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