JAVA Exceptions The class at the top of exception class hierarchy is ................. Exception Throwable ArithmeticException Object Exception Throwable ArithmeticException Object 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 2 and 3 2 and 4 1 and 4 1 and 2 3 and 4 2 and 3 2 and 4 1 and 4 1 and 2 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 false Compilation Error true None of these false Compilation Error true 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? ClassCastException ArrayIndexOutOfBoundsException IllegalStateException None of these NumberFormatException ClassCastException ArrayIndexOutOfBoundsException IllegalStateException None of these NumberFormatException ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the result if NullPointerException occurs at line 2?1. try{2. //some code goes here3. }4. catch(NullPointerException ne){5. System.out.print("1 ");6. }7. catch(RuntimeException re){8. System.out.print("2 ");9. }10. finally{11. System.out.print("3");12. } 1 2 3 1 3 2 3 3 1 1 2 3 1 3 2 3 3 1 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which keyword is used to specify the exception thrown by method? throw catch finally throws throw catch finally throws ANSWER DOWNLOAD EXAMIANS APP
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