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