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"); } }} "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. "one" is printed. Compilation fails saying NullPointerException has already been caught. None of these "exception" is printed. 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); }} None of these 3 Compilation Error 3.5 Error occured None of these 3 Compilation Error 3.5 Error occured ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which keyword is used to explicitly throw an exception? try throwing throw catch try throwing throw catch ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What is the output for the below code ?import java.io.FileNotFoundException;class A{ public void printName() throws FileNotFoundException{ System.out.println("Value-A"); }}class B extends A{ public void printName() throws NullPointerException{ System.out.println("Name-B"); }}public class Test{ public static void main (String[] args) throws Exception{ A a = new B(); a.printName(); }} Value-A None of these Name-B Compilation fails-Exception NullPointerException is not compatible with throws clause in Compilation succeed but no output printName() Value-A None of these Name-B Compilation fails-Exception NullPointerException is not compatible with throws clause in Compilation succeed but no output printName() ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. throws catch finally throw throws catch finally throw 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 1 3 3 1 2 3 2 3 1 1 3 3 1 2 3 ANSWER DOWNLOAD EXAMIANS APP