使用java执行windows命令

package tian.exe;import java.io.IOException;import java.util.Scanner;public class ExecProess {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubScanner scan = new Scanner(System.in);System.out.println("Please input the command:");String str = scan.nextLine();ExecExe(str);}public static void ExecExe(String str) {Runtime run = Runtime.getRuntime();try {run.exec(str);} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}