package org.javacore.io; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import java.io.PrintStream; /* * Copyright [2015] [Jeff Lee] * * 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. */ /** * @author Jeff Lee * @since 2015-7-31 11:04:26 * System.out, System.err中IO的使用 * 替换系统流,输出至文本 */ public class SystemStreamT { public static void main(String[] args) throws IOException { // 创建文件输出流 OutputStream out = new FileOutputStream("D:\\data\\console.txt"); // 创建新的文件输出打印流 PrintStream print = new PrintStream(out); // 设置标准输出流 System.setOut(print); // 设置标准错误输出流 System.setErr(print); System.out.println("Hello,System.out"); System.err.println("Hello,System.err"); // 关闭流 print.close(); out.close(); } }