JAVA Exceptions The class at the top of exception class hierarchy is ................. Throwable ArithmeticException Object Exception Throwable ArithmeticException Object Exception ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Exception generated in try block is caught in ........... block. catch throw finally throws catch throw finally throws 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 false Compilation Error true None of these false Compilation Error true ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions public class Test{ public static void main(String args[]){ try{ int a = Integer.parseInt("four"); } }}Which exception could be handled by the catch block for above? ArrayIndexOutOfBoundsException ClassCastException None of these NumberFormatException IllegalStateException ArrayIndexOutOfBoundsException ClassCastException None of these NumberFormatException IllegalStateException 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. } 2 3 1 3 1 2 3 3 1 2 3 1 3 1 2 3 3 1 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"); } }} "exception" is printed. Compilation fails saying NullPointerException has already been caught. "one" is printed. None of these "null pointer exception" is printed. "exception" is printed. Compilation fails saying NullPointerException has already been caught. "one" is printed. None of these "null pointer exception" is printed. ANSWER DOWNLOAD EXAMIANS APP
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