JAVA Exceptions Which exception is thrown when divide by zero statement executes? NumberFormatException None of these NullPointerException ArithmeticException NumberFormatException None of these NullPointerException ArithmeticException 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 "doCdoBdoA" is printed "doBdoAerror" is printed "error" is printed nothing is printed "doAdoBdoC" is printed "doCdoBdoA" is printed "doBdoAerror" is printed "error" is printed nothing is printed ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the below statement is/are true about Error?A. An Error is a subclass of Throwable.B. An Error is a subclass of Exception.C. Error indicates serious problems that a reasonable application should not try to catch.D. An Error is a subclass of IOException. B and D B and C A and B A and D A and C B and D B and C A and B A and D A and C 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. This code will not compile, because in Java there are no pointers. There is a NullPointerException. There is an Exception. There is a NullPointerException. Everything went fine. There is a NullPointerException. This code will not compile, because in Java there are no pointers. There is a NullPointerException. There is an Exception. There is a NullPointerException. Everything went fine. 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 Compilation fails-Exception NullPointerException is not compatible with throws clause in printName() Name-B None of these Compilation succeed but no output Value-A Compilation fails-Exception NullPointerException is not compatible with throws clause in printName() Name-B None of these Compilation succeed but no output 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"); } }} "exception" is printed. None of these Compilation fails saying NullPointerException has already been caught. "one" is printed. "null pointer exception" is printed. "exception" is printed. None of these Compilation fails saying NullPointerException has already been caught. "one" is printed. "null pointer exception" is printed. ANSWER DOWNLOAD EXAMIANS APP
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