Java tutorial
//package com.java2s; //License from project: Open Source License import java.util.ArrayList; public class Main { public static int indexOfItem(ArrayList<String> list, final String item) { if (item == null || list.isEmpty()) { return -1; } for (int i = 0; i < list.size(); i++) { if (item.equals(list.get(i))) { return i; } } return -1; } }