1. class A {2. public void process() { System.out.print("A,"); }3. class B extends A {4. public void process() throws IOException {5. super.process();6. System.out.print("B,");7. throw new IOException();8. }9. public static void main(String[] args) {10. try { new B().process(); }11. catch (IOException e) { System.out.println("Exception"); }}