Name: Anonymous 2017-09-04 0:19
public class Foo {
public abstract void A();
public abstract void B();
}
public class Bar extends Foo {
public void A() {
...
}
public void B() {
...
}
}
and
interface Foo {
public void A();
public void B();
}
public class Bar implements Foo {
public void A() {
...
}
public void B() {
...
}
}
well?