Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2017, 2017, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

import java.util.Arrays;
import java.util.Collection;

import java.util.function.Function;
import java.util.function.IntFunction;

public class Main {
    /**
     * Maps the inputs given the mapping function and adds them in the array provided by the
     * generator.
     */
    public static <T, R> R[] mapToArray(T[] inputs, Function<? super T, ? extends R> mapper,
            IntFunction<R[]> arrayGenerator) {
        return mapToArray(Arrays.asList(inputs), mapper, arrayGenerator);
    }

    public static <T, R> R[] mapToArray(Collection<T> inputs, Function<? super T, ? extends R> mapper,
            IntFunction<R[]> arrayGenerator) {
        R[] result = arrayGenerator.apply(inputs.size());
        int idx = 0;
        for (T t : inputs) {
            result[idx++] = mapper.apply(t);
        }
        return result;
    }
}