JAVA Exceptions The class at the top of exception class hierarchy is ................. Throwable Object ArithmeticException Exception Throwable Object ArithmeticException Exception 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(). 2 and 3 3 and 4 1 and 4 2 and 4 1 and 2 2 and 3 3 and 4 1 and 4 2 and 4 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. throws catch finally throw throws catch 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. "exception" is printed. None of these Compilation fails saying NullPointerException has already been caught. "one" is printed. "null pointer exception" is printed. "exception" is printed. None of these Compilation fails saying NullPointerException has already been caught. "one" is printed. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which exception is thrown when an array element is accessed beyond the array size? None of these ArrayElementOutOfBounds ArrayIndexOutOfBoundsException ArrayIndexOutOfBounds None of these ArrayElementOutOfBounds ArrayIndexOutOfBoundsException ArrayIndexOutOfBounds 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[]){ }} ExceptionInInitializerError is thrown None of these ArrayIndexOutOfBoundsException is thrown StackOverflowException is thrown IllegalStateException is thrown ExceptionInInitializerError is thrown None of these ArrayIndexOutOfBoundsException is thrown StackOverflowException is thrown IllegalStateException is thrown ANSWER DOWNLOAD EXAMIANS APP
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