JAVA Exceptions try{ File f = new File("a.txt");}catch(Exception e){}catch(IOException io){}Is this code create new file name a.txt ? Compilation Error false None of these true Compilation Error false None of these true ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the below statement is/are true about Error?A. An Error is a subclass of Throwable.B. An Error is a subclass of Exception.C. Error indicates serious problems that a reasonable application should not try to catch.D. An Error is a subclass of IOException. A and B B and D B and C A and C A and D A and B B and D B and C A and C A and D 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 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 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. } 3 1 3 1 2 3 1 2 3 3 1 3 1 2 3 1 2 3 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[]){ }} IllegalStateException is thrown ExceptionInInitializerError is thrown None of these StackOverflowException is thrown ArrayIndexOutOfBoundsException is thrown IllegalStateException is thrown ExceptionInInitializerError is thrown None of these StackOverflowException is thrown ArrayIndexOutOfBoundsException is thrown 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. Compilation fails saying NullPointerException has already been caught. None of these "exception" is printed. "null pointer exception" is printed. "one" is printed. Compilation fails saying NullPointerException has already been caught. None of these "exception" is printed. "null pointer exception" is printed. ANSWER DOWNLOAD EXAMIANS APP
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