package no.uio.ifi.task; /* You are allowed to 1. add modifiers to fields and method signatures and 2. add code at the marked places, including removing the following return */ public class LinkedQueue { private Node head; private Node tail; public synchronized int find(T t){ /* implement me */ return 0; } public void insert(T t){ /* implement me */ } public synchronized T delfront(){ /* implement me */ return null; } }