Here you can find the source of reset()
static void reset()
//package com.java2s; //License from project: Apache License import java.util.concurrent.atomic.AtomicInteger; public class Main { /** Start value for loader ID. */ static final int LOADER_ID_START = 3000; /** Loader id counter. */ private static final AtomicInteger loaderId = new AtomicInteger(LOADER_ID_START); static void reset() { loaderId.set(LOADER_ID_START);//from w ww .j a va 2 s . co m } }