CS计算机代考程序代写 Java package programmingexample5;

package programmingexample5;

import java.util.ArrayList;

public class ShapeGroup implements ShapeVisitable {

private ArrayList elems;

public ShapeGroup() {
elems = new ArrayList();
}

public void add(ShapeVisitable shape) {
elems.add(shape);
}

public void remove(ShapeVisitable shape) {
elems.remove(shape);
}

@Override
public void accept(ShapeVisitor v) {

/*
* TODO You need to implement this method, to answer the question.
*/

}

}