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Note: This question may be considered too advanced for this exam.
Given the declaration :
interface Worker { void perform_work(); }
which of the following methods/classes are valid?
Select 2 options
A. Worker getWorker(int i){
return new Worker(){
public void perform_work() {
System.out.println(i); } }; }
B. Worker getWorker(final int i){
return new Worker() {
public void perform_work() {
System.out.println(i); } }; }
C. Worker getWorker(int i){
int x = i;
class MyWorker implements Worker {
public void perform_work() {
System.out.println(x); } };
return new MyWorker(); }
D. Worker getWorker(final int i){
class MyWorker implements Worker {
public void perform_work() {
System.out.println(i); } };
return new MyWorker(); }