Here you can find the source of getMaxEntryLength(ArrayList
private static int getMaxEntryLength(ArrayList<ArrayList<String>> dArr)
//package com.java2s; /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright 2013 Joseph Yuan//w w w .j ava 2 s.c om * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ import java.util.ArrayList; public class Main { private static int getMaxEntryLength(ArrayList<ArrayList<String>> dArr) { int i, depth = 0; ArrayList<String> itr = null; for (i = 0; i < dArr.size(); i++) { itr = dArr.get(i); depth = max(itr.size(), depth); } return depth; } public static int max(int a, int b) { if (a > b) { return a; } else { return b; } } }