Question

i having an error red underline .add while trying to add items into vector.

any solution please? thanks!!

import java.util.Vector;
import java.util.*;

public class AllProduct {

    private Vector<Product> allproducts = new Vector<Product>();

    private Vector<Product> mProduct;

    public  AllProduct () {
        allproducts.add("bb");
    }
...
}

Answer 1

"bb" is a String, not a Product. You’ll need to make a Product somehow, e.g. new Product("bb").