请教一个简单问题
我的一个程序udp.java可以在通过如下Command Line运行:
java jist.runtime.Main jist.swans.Main udp
现在我编了个小程序wireless.java可以同样运行udp.java,结果和上面一样,但是我不知道如何将udp.java里的变量传递到现在这个程序中。我试了全局变量,可是返回值不对(我希望尽量不修改jist.runtime.Main 和jist.swans.Main 这两个java程序,因为这是个第3方的软件包)。请问各位有何方法解决, 谢谢!
XHYJ
------------wireless.java--------------
jist.runtime.Main
import jist.runtime.Main;
public class wireless {
public static void main(String[] args){
String[] ar = new String[2];
ar[0] = "jist.swans.Main";
ar[1] = "udp";
Main.main(ar); //start JiST wireless simulator
//如何将udp.java里的变量receivedMsg传递到这里?
System.out.println(udp.receivedMsg); //这样,返回值不对
}
}
---------udp.java--------------
public class udp
{
static int sentMsg;
static int receivedMsg;
public static class Server {
...
int received = 100;
receivedMsg = received;
}
public static void main(String[] args) {
....
}
}