Here you can find the source of toIntegers(String[] values)
public static Integer[] toIntegers(String[] values)
//package com.java2s; /*/*from w w w.j a v a2 s. com*/ * Copyright 2011-2012 SERLI (www.serli.com) * * 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. * under the License. */ public class Main { public static Integer[] toIntegers(String[] values) { return toIntegers(values, null); } public static Integer[] toIntegers(String[] values, Integer defaultValue) { Integer[] result = new Integer[values == null ? 0 : values.length]; for (int i = 0; i < result.length; i++) { result[i] = toInteger(values[i], defaultValue); } return result; } public static Integer toInteger(String value) { return toInteger(value, null); } public static Integer toInteger(String value, Integer defaultValue) { if (value != null) { try { return Integer.valueOf(value); } catch (Exception ex) { } } return defaultValue; } }