JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. catch throws finally throw catch throws finally throw ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the result of executing the following code?public class Test{ public void divide(int a, int b){ try{ int c = a / b; }catch(Exception e){ System.out.print("Exception "); }finally{ System.out.println("Finally"); } public static void main(String args[]){ Test t = new Test(); t.divide(0,3); }} Prints out: Finally Compile with error Prints out: Exception Finally None of these Prints out: Exception Prints out: Finally Compile with error Prints out: Exception Finally None of these Prints out: 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"); } }} nothing is printed "doAdoBdoC" is printed "doCdoBdoA" is printed "doBdoAerror" is printed "error" is printed nothing is printed "doAdoBdoC" is printed "doCdoBdoA" is printed "doBdoAerror" is printed "error" is printed 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 "one" is printed. Compilation fails saying NullPointerException has already been caught. "null pointer exception" is printed. "exception" is printed. None of these "one" is printed. Compilation fails saying NullPointerException has already been caught. "null pointer exception" is printed. "exception" 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 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. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which keyword is used to explicitly throw an exception? throwing try catch throw throwing try catch throw ANSWER DOWNLOAD EXAMIANS APP
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