java执行系统cmd命令

[java]代码库

class ExecCmd {
	public static void main(String args[]) {
		Runtime run = Runtime.getRuntime();
		Process process = null;
		try {
			process = run.exec("notepad"); // 执行cmd命令
			process.waitFor();
		} catch (Exception e) {
			System.out.println("Error executing notepad.");
		}
		System.out.println("Notepad returned " + process.exitValue());
	}
}