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The Apache Commons IO library contains utility classes, stream implementations, file filters, file comparators, endian transformation classes, and much more.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

package org.apache.commons.io.output;

import java.io.PrintStream;

/**
 * Writes all data to the famous /dev/null.
 * 
 * This print stream has no destination (file/socket etc.) and all bytes written to it are ignored and lost.
 * 
 *
 * @since 2.7
 */
public class NullPrintStream extends PrintStream {

    /**
     * The singleton instance.
     */
    public static final NullPrintStream NULL_PRINT_STREAM = new NullPrintStream();

    /**
     * Constructs an instance.
     */
    public NullPrintStream() {
        // Relies on the default charset which is OK since we are not actually writing.
        super(NullOutputStream.NULL_OUTPUT_STREAM);
    }

}