JAVA Exceptions The class at the top of exception class hierarchy is ................. Object Throwable Exception ArithmeticException Object Throwable Exception ArithmeticException ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Determine output of the following program code?public class Test{ public static void main(String args[]){ int i; try{ i = calculate(); System.out.println(i); }catch(Exception e){ System.out.println("Error occured"); } } static int calculate(){ return (7/2); }} Compilation Error None of these 3 Error occured 3.5 Compilation Error None of these 3 Error occured 3.5 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(); }} printName() None of these Value-A Name-B Compilation fails-Exception NullPointerException is not compatible with throws clause in Compilation succeed but no output printName() None of these Value-A Name-B Compilation fails-Exception NullPointerException is not compatible with throws clause in Compilation succeed but no output 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 "doCdoBdoA" is printed nothing is printed "error" is printed "doAdoBdoC" is printed "doBdoAerror" is printed "doCdoBdoA" is printed nothing is printed "error" is printed "doAdoBdoC" is printed 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 IllegalStateException ClassCastException ArrayIndexOutOfBoundsException None of these NumberFormatException IllegalStateException ClassCastException ArrayIndexOutOfBoundsException None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which keyword is used to explicitly throw an exception? throw catch try throwing throw catch try throwing ANSWER DOWNLOAD EXAMIANS APP
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