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JAVA IO
/*
* 输出内容重定向
* */
import java.io.*;
public class JavaIO {
public static void main(String[] args) throws IOException
{
Process p = Runtime.getRuntime().exec("javac");//打开一个进程
try
(
BufferedReader br = new BufferedReader(new InputStreamReader(p.getErrorStream())))
//获取输出流
{
String buff = null;
while((buff = br.readLine()) != null)//按行读取
{
System.out.println(buff);
}
}
}
}