JAVA Exceptions The class at the top of exception class hierarchy is ................. Object ArithmeticException Throwable Exception Object ArithmeticException Throwable Exception 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"); } }} "error" is printed nothing is printed "doAdoBdoC" is printed "doBdoAerror" is printed "doCdoBdoA" is printed "error" is printed nothing is printed "doAdoBdoC" is printed "doBdoAerror" is printed "doCdoBdoA" is printed ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the output of the following piece of code:class Person{ public void talk() {}}public class Test{ public static void main(String args[]){ Person p = null; try{ p.talk(); } catch(NullPointerException e){ System.out.print("There is a NullPointerException. "); } catch(Exception e){ System.out.print("There is an Exception. "); } System.out.print("Everything went fine. "); }} There is a NullPointerException. There is an Exception. There is a NullPointerException. Everything went fine. This code will not compile, because in Java there are no pointers. There is a NullPointerException. There is a NullPointerException. There is an Exception. There is a NullPointerException. Everything went fine. This code will not compile, because in Java there are no pointers. There is a NullPointerException. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What is the output of the following program code?public class Test{ public static void main(String args[]){ try{ int i; return; } catch(Exception e){ System.out.print("inCatchBlock"); } finally{ System.out.println("inFinallyBlock"); } }} inCatchBlock inFinallyBlock The program will return without printing anything inFinallyBlock inCatchBlock inCatchBlock inFinallyBlock The program will return without printing anything inFinallyBlock inCatchBlock 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 3 3 1 2 3 1 2 3 1 3 3 1 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
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