JAVA Exceptions In which of the following package Exception class exist? java.file java.lang java.net java.util java.io java.file java.lang java.net java.util java.io 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"); } }} "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. "null pointer exception" is printed. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which exception is thrown when an array element is accessed beyond the array size? ArrayIndexOutOfBoundsException None of these ArrayIndexOutOfBounds ArrayElementOutOfBounds ArrayIndexOutOfBoundsException None of these ArrayIndexOutOfBounds ArrayElementOutOfBounds ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Determine output of the following program code?public class Test{ public static void main(String args[]){ int i; try{ i = calculate(); System.out.println(i); }catch(Exception e){ System.out.println("Error occured"); } } static int calculate(){ return (7/2); }} 3 None of these 3.5 Compilation Error Error occured 3 None of these 3.5 Compilation Error Error occured ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which keyword is used to explicitly throw an exception? throw throwing try catch throw throwing try catch 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 4 1 and 2 2 and 3 3 and 4 1 and 4 2 and 4 1 and 2 2 and 3 3 and 4 1 and 4 ANSWER DOWNLOAD EXAMIANS APP
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