Name: dbT83986 Date: 03/03/99


// Compile and run the Java class below. The JVM will hang. It works fine under JDK 1.1.7

// Source code (please note this is an example -with minor modifications to adapt it to Windows- taken from the book "Java
// Class Libraries Second Edition, Volume 1; page 1365):

import java.io.*;

public class ls
{
    public static void main(String[] args)
    {
        try
        {
            String cmd = "ls.bat";
            Process child = Runtime.getRuntime().exec(cmd);
            InputStream in = child.getInputStream();
            int c, newline = 0, maxlines = 10;
            if (args.length > 0)
                maxlines = Integer.parseInt(args[0]);
            while ((c = in.read()) != -1 && newline < maxlines)
            {
                char ch = (char)c;
                System.out.print(ch);
                if (ch == '\n')
                    ++newline;
            }
            in.close();
            child.destroy();
        }
        catch (IOException ioe)
        {
            System.err.println(ioe);
        }
    }
}
(Review ID: 52231)
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