JAVA Exceptions The class at the top of exception class hierarchy is ................. Object Exception Throwable ArithmeticException Object Exception Throwable ArithmeticException ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions In which of the following package Exception class exist? java.net java.io java.util java.file java.lang java.net java.io java.util java.file java.lang ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which keyword is used to explicitly throw an exception? try catch throwing throw try catch throwing throw ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What happen in case of multiple catch blocks? The superclass exception must be caught first. Either super or subclass can be caught first. None of these The superclass exception cannot caught first. The superclass exception must be caught first. Either super or subclass can be caught first. None of these The superclass exception cannot caught first. 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"); } }} None of these "exception" is printed. "null pointer exception" is printed. Compilation fails saying NullPointerException has already been caught. "one" is printed. None of these "exception" is printed. "null pointer exception" is printed. Compilation fails saying NullPointerException has already been caught. "one" is printed. 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. } 1 3 2 3 1 3 1 2 3 1 3 2 3 1 3 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
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