17 What happens here (note that the line numbers are not part of the code)? 1. public class Foo { 2. 3. 4. 5. 6. 7. 8. } private int variable; public Foo(int variable) {this.variable = variable; } public void bar(Foo f) {variable = f.variable;} 9. Foo f1= new Foo(3); 10. Foo f2= new Foo(3); 11. f1.bar(f2);