JAVA Exceptions The class at the top of exception class hierarchy is ................. Exception Object ArithmeticException Throwable Exception Object ArithmeticException Throwable 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. } 3 1 2 3 1 3 1 2 3 3 1 2 3 1 3 1 2 3 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"); } }} "doAdoBdoC" is printed nothing is printed "error" is printed "doCdoBdoA" is printed "doBdoAerror" is printed "doAdoBdoC" is printed nothing is printed "error" is printed "doCdoBdoA" is printed "doBdoAerror" 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 StackOverflowException is thrown ExceptionInInitializerError is thrown ArrayIndexOutOfBoundsException is thrown None of these IllegalStateException is thrown StackOverflowException is thrown ExceptionInInitializerError is thrown ArrayIndexOutOfBoundsException is thrown None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What happen in case of multiple catch blocks? 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. The superclass exception must be caught first. Either super or subclass can be caught first. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. catch finally throw throws catch finally throw throws ANSWER DOWNLOAD EXAMIANS APP