打开文本的程序命令

import java.io.*;

public class ShowJava {

	public ShowJava() {

	}
	private static String fileName = "C:/Users/Toyeeb/Desktop/help.txt";

	public static void main(String[] args) {
		Runtime rt = Runtime.getRuntime();
		String exePath = "notepad.exe " + fileName;
		try {
			rt.exec(exePath);
		} catch (IOException e) {
			System.out.println("can't find the file!");
		}
	}
}