Here you can find the source of ListToArray(List> values)
public static String[][] ListToArray(List<List<String>> values)
//package com.java2s; /*/*w w w . j a va 2 s.c o m*/ * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.List; public class Main { public static String[][] ListToArray(List<List<String>> values) { String[][] results = new String[values.size()][2]; int index = 0; for (List<String> value : values) { results[index][0] = value.get(0); results[index][1] = value.get(1); index++; } return results; } }