JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. throw throws catch finally throw throws catch finally ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the result after the class Test execution?class A{ public void doA(){ B b = new B(); b.dobB(); System.out.print("doA"); }}class B{ public void dobB(){ C c = new C(); c.doC(); System.out.print("doB"); }}class C{ public void doC(){ if(true) throw new NullPointerException(); System.out.print("doC"); }}public class Test{ public static void main(String args[]){ try{ A a = new A(); a.doA(); }catch(Exception ex){ System.out.print("error"); } }} "doBdoAerror" is printed "doAdoBdoC" is printed "doCdoBdoA" is printed nothing is printed "error" is printed "doBdoAerror" is printed "doAdoBdoC" is printed "doCdoBdoA" is printed nothing is printed "error" is printed 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 ArrayIndexOutOfBoundsException is thrown StackOverflowException is thrown IllegalStateException is thrown ExceptionInInitializerError is thrown None of these ArrayIndexOutOfBoundsException is thrown StackOverflowException 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. None of these "exception" is printed. Compilation fails saying NullPointerException has already been caught. "null pointer exception" is printed. "one" is printed. None of these "exception" is printed. Compilation fails saying NullPointerException has already been caught. "null pointer exception" is printed. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which keyword is used to explicitly throw an exception? throwing throw catch try throwing throw catch try 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? NumberFormatException None of these ClassCastException IllegalStateException ArrayIndexOutOfBoundsException NumberFormatException None of these ClassCastException IllegalStateException ArrayIndexOutOfBoundsException ANSWER DOWNLOAD EXAMIANS APP