JAVA Exceptions In which of the following package Exception class exist? java.file java.net java.util java.io java.lang java.file java.net java.util java.io java.lang 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 2 1 and 4 2 and 4 2 and 3 3 and 4 1 and 2 1 and 4 2 and 4 2 and 3 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"); } }} "exception" is printed. "one" is printed. None of these "null pointer exception" is printed. Compilation fails saying NullPointerException has already been caught. "exception" is printed. "one" is printed. None of these "null pointer exception" is printed. Compilation fails saying NullPointerException has already been caught. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the below statement is/are true about Error?A. An Error is a subclass of Throwable.B. An Error is a subclass of Exception.C. Error indicates serious problems that a reasonable application should not try to catch.D. An Error is a subclass of IOException. A and D A and B B and D A and C B and C A and D A and B B and D A and C B and C ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions The class at the top of exception class hierarchy is ................. Throwable Object Exception ArithmeticException Throwable Object Exception ArithmeticException ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which keyword is used to specify the exception thrown by method? throw catch throws finally throw catch throws finally ANSWER DOWNLOAD EXAMIANS APP