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(); } }?

LohaHridoy
  1. Value-A
  2. Compilation fails-Exception NullPointerException is not compatible with throws clause in A.printName()
  3. Name-B
  4. Compilation succeed but no output
  5. None of these

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AhmedNazir

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Answer: Option 3

The overriding method can throw any unchecked (runtime) exception, regardless of exception thrown by overridden method. NullPointerException is RuntimeException so compiler will not complain.

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