try{ File f = new File("a.txt");}catch(Exception e){}catch(IOException io){}Is this code create new file name a.txt ? Compilation Error None of these true false TRUE ANSWER : ? YOUR ANSWER : ?
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 "one" is printed. "exception" is printed. TRUE ANSWER : ? YOUR ANSWER : ?
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. B and C A and C A and D B and D A and B TRUE ANSWER : ? YOUR ANSWER : ?
What will be the result of executing the following code?public class Test{ public void divide(int a, int b){ try{ int c = a / b; }catch(Exception e){ System.out.print("Exception "); }finally{ System.out.println("Finally"); } public static void main(String args[]){ Test t = new Test(); t.divide(0,3); }} Prints out: Exception Finally Prints out: Finally Prints out: Exception None of these Compile with error TRUE ANSWER : ? YOUR ANSWER : ?
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 ArrayIndexOutOfBoundsException is thrown None of these IllegalStateException is thrown StackOverflowException is thrown TRUE ANSWER : ? YOUR ANSWER : ?
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); }} Compilation Error 3.5 Error occured 3 None of these TRUE ANSWER : ? YOUR ANSWER : ?
Exception generated in try block is caught in ........... block. throw finally catch throws TRUE ANSWER : ? YOUR ANSWER : ?
What will be the output?class MyClass{ public String test(){ try{ System.out.print("One"); return ""; } finally{ System.out.print("Two"); } }}public class Test{ public static void main(String args[]){ MyClass m = new MyClass(); m.test(); }} None of these Compilation Error One Two One Two TRUE ANSWER : ? YOUR ANSWER : ?
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 3 1 3 2 3 1 2 3 TRUE ANSWER : ? YOUR ANSWER : ?
Which keyword is used to specify the exception thrown by method? throw finally throws catch TRUE ANSWER : ? YOUR ANSWER : ?