Java tutorial
//package com.java2s; /* * Copyright 2006-2015 The MZmine 2 Development Team * * This file is part of MZmine 2. * * MZmine 2 is free software; you can redistribute it and/or modify it under the * terms of the GNU General Public License as published by the Free Software * Foundation; either version 2 of the License, or (at your option) any later * version. * * MZmine 2 is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR * A PARTICULAR PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with * MZmine 2; if not, write to the Free Software Foundation, Inc., 51 Franklin * St, Fifth Floor, Boston, MA 02110-1301 USA */ import java.lang.reflect.Array; import java.util.ArrayList; public class Main { /** * Change the type of array of Objects to an array of objects of type * newClass. * */ @SuppressWarnings("unchecked") public static <T> T[] changeArrayType(Object[] array, Class<T> newClass) { ArrayList<T> newArray = new ArrayList<T>(); for (int i = 0; i < array.length; i++) { // Only add those objects that can be cast to the new class if (newClass.isInstance(array[i])) { newArray.add(newClass.cast(array[i])); } } return newArray.toArray((T[]) Array.newInstance(newClass, 0)); } }