JAVA Exceptions The class at the top of exception class hierarchy is ................. Throwable ArithmeticException Exception Object Throwable ArithmeticException Exception Object ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Given the code. What is the result when this program is executed?public class Test{ static int x[]; static{ x[0] = 1; } public static void main(String args[]){ }} IllegalStateException is thrown StackOverflowException is thrown None of these ArrayIndexOutOfBoundsException is thrown ExceptionInInitializerError is thrown IllegalStateException is thrown StackOverflowException is thrown None of these ArrayIndexOutOfBoundsException is thrown ExceptionInInitializerError is thrown 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. "); }} This code will not compile, because in Java there are no pointers. There is a NullPointerException. There is an Exception. There is a NullPointerException. There is a NullPointerException. Everything went fine. This code will not compile, because in Java there are no pointers. There is a NullPointerException. There is an Exception. There is a NullPointerException. There is a NullPointerException. Everything went fine. 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 ? None of these Compilation Error false true None of these Compilation Error false true 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 2 1 and 4 3 and 4 2 and 4 2 and 3 1 and 2 1 and 4 3 and 4 2 and 4 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions public class Test{ public static void main(String args[]){ try{ int a = Integer.parseInt("four"); } }}Which exception could be handled by the catch block for above? ArrayIndexOutOfBoundsException ClassCastException NumberFormatException None of these IllegalStateException ArrayIndexOutOfBoundsException ClassCastException NumberFormatException None of these IllegalStateException ANSWER DOWNLOAD EXAMIANS APP
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