JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. throw throws catch finally throw throws catch finally 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 "error" is printed "doCdoBdoA" is printed "doAdoBdoC" is printed nothing is printed "doBdoAerror" is printed "error" is printed "doCdoBdoA" is printed "doAdoBdoC" is printed nothing is printed 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); }} 3.5 Error occured Compilation Error 3 None of these 3.5 Error occured Compilation Error 3 None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which keyword is used to explicitly throw an exception? throwing catch try throw throwing catch try throw 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 succeed but no output printName() Name-B None of these Compilation fails-Exception NullPointerException is not compatible with throws clause in Value-A Compilation succeed but no output printName() Name-B None of these Compilation fails-Exception NullPointerException is not compatible with throws clause in ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions The class at the top of exception class hierarchy is ................. Exception Throwable Object ArithmeticException Exception Throwable Object ArithmeticException ANSWER DOWNLOAD EXAMIANS APP
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