java.lang.ProcessBuilder用法

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;


public class ProcessTest {
	public static void main(String args[]) {
		
		ProcessBuilder pb = new ProcessBuilder();
		pb.command(new String[] { "notepad.exe" });
		try {
			Process process = pb.start();
			InputStream stderr = process.getErrorStream();
			InputStreamReader isr = new InputStreamReader(stderr);
			BufferedReader br = new BufferedReader(isr);
			String line = null;
			while ( (line = br.readLine()) != null)
			System.out.println(line);
			int exitVal = process.waitFor();
			System.out.println(exitVal);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}