Java tutorial
//package com.java2s; //License from project: Apache License import java.util.ArrayList; import java.util.List; public class Main { public static <T> List<T> intersection(List<T> list1, List<T> list2) { List<T> list = new ArrayList<T>(); for (T t : list1) { if (list2.contains(t)) { list.add(t); } } return list; } }