What is the o/p of following program? public class Question05 { public static vo

Question

What is the o/p of following program?

  public class Question05 {

   public static void main(String[] args) {
    Question05Sub myref = new Question05Sub();
     try{
      myref.test();
      }catch(IOException ioe){}
   }

   void test() throws IOException{
   System.out.println("In Question05");
   throw new IOException();
   }
}

  class Question05Sub extends Question05 {

    void test() {
     System.out.println("In Question05Sub");
    }
  }

a) In Question05
b) In Question05Sub
c) Compilation error
d) In Question05
  In Question05Sub

Explanation / Answer

Answer is c. If the parent method throws a Checked Exception then the child class overriding it can throw same exception or unchecked exception or any subclass of the Exception thrown (in this case subclass of IOException)

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