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Java example source code file (BaseStream.java)
The BaseStream.java Java example source code/* * Copyright (c) 2012, 2013, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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. */ package java.util.stream; import java.nio.charset.Charset; import java.nio.file.Files; import java.nio.file.Path; import java.util.Collection; import java.util.Iterator; import java.util.Spliterator; import java.util.concurrent.ConcurrentHashMap; import java.util.function.IntConsumer; import java.util.function.Predicate; /** * Base interface for streams, which are sequences of elements supporting * sequential and parallel aggregate operations. The following example * illustrates an aggregate operation using the stream types {@link Stream} * and {@link IntStream}, computing the sum of the weights of the red widgets: * * <pre>{@code * int sum = widgets.stream() * .filter(w -> w.getColor() == RED) * .mapToInt(w -> w.getWeight()) * .sum(); * }</pre> * * See the class documentation for {@link Stream} and the package documentation * for <a href="package-summary.html">java.util.stream for additional * specification of streams, stream operations, stream pipelines, and * parallelism, which governs the behavior of all stream types. * * @param <T> the type of the stream elements * @param <S> the type of of the stream implementing {@code BaseStream} * @since 1.8 * @see Stream * @see IntStream * @see LongStream * @see DoubleStream * @see <a href="package-summary.html">java.util.stream */ public interface BaseStream<T, S extends BaseStream |
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