Here you can find the source of close(final OutputStream dest)
public static Throwable close(final OutputStream dest)
//package com.java2s; /**//from w ww . j a v a 2s. c o m * Copyright 2011-2016 Asakusa Framework Team. * * 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. */ import java.io.InputStream; import java.io.OutputStream; import java.io.Reader; import java.io.Writer; public class Main { public static Throwable close(final InputStream src) { if (src != null) { try { src.close(); } catch (final Throwable t) { return t; } } return null; } public static Throwable close(final OutputStream dest) { if (dest != null) { try { dest.close(); } catch (final Throwable t) { return t; } } return null; } public static Throwable close(final Reader src) { if (src != null) { try { src.close(); } catch (final Throwable t) { return t; } } return null; } public static Throwable close(final Writer dest) { if (dest != null) { try { dest.close(); } catch (final Throwable t) { return t; } } return null; } }