JAVA Exceptions The class at the top of exception class hierarchy is ................. ArithmeticException Exception Object Throwable ArithmeticException Exception Object Throwable 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 1 3 1 2 3 1 3 2 3 1 3 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 4 1 and 2 2 and 4 2 and 3 3 and 4 1 and 4 1 and 2 2 and 4 2 and 3 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which keyword is used to specify the exception thrown by method? finally throw catch throws finally throw catch throws ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Exception generated in try block is caught in ........... block. catch throws finally throw catch throws finally throw 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"); } }} "null pointer exception" is printed. "one" is printed. None of these Compilation fails saying NullPointerException has already been caught. "exception" is printed. "null pointer exception" is printed. "one" is printed. None of these Compilation fails saying NullPointerException has already been caught. "exception" is printed. ANSWER DOWNLOAD EXAMIANS APP
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