Set_advanced_project/Generics_module/src/Generics_package3/Generics_demo3.java

package Generics_package3;

import java.util.ArrayList;

public class Generics_demo3 {
    public static void main(String[] args) {
        ArrayList<String> list1 = new ArrayList<>();
        ListUtil.addAll(list1, "aaa", "bbb", "ccc");
        System.out.println(list1);

        ArrayList<Integer> list2 = new ArrayList<>();
        ListUtil.addAll(list2, 1, 22, 34, 56);
        System.out.println(list2);
    }
}